diff options
Diffstat (limited to 'fs/gfs2')
44 files changed, 782 insertions, 1019 deletions
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig index 8c27de8b956..6a2ffa2db14 100644 --- a/fs/gfs2/Kconfig +++ b/fs/gfs2/Kconfig @@ -2,6 +2,7 @@ config GFS2_FS tristate "GFS2 file system support" depends on EXPERIMENTAL select FS_POSIX_ACL + select CRC32 help A cluster filesystem. @@ -33,7 +34,9 @@ config GFS2_FS_LOCKING_NOLOCK config GFS2_FS_LOCKING_DLM tristate "GFS2 DLM locking module" - depends on GFS2_FS + depends on GFS2_FS && NET && INET && (IPV6 || IPV6=n) + select IP_SCTP if DLM_SCTP + select CONFIGFS_FS select DLM help Multiple node locking module for GFS2 diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index 5f959b8ce40..6e80844367e 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -74,11 +74,11 @@ int gfs2_acl_validate_remove(struct gfs2_inode *ip, int access) { if (!GFS2_SB(&ip->i_inode)->sd_args.ar_posix_acl) return -EOPNOTSUPP; - if (current->fsuid != ip->i_di.di_uid && !capable(CAP_FOWNER)) + if (current->fsuid != ip->i_inode.i_uid && !capable(CAP_FOWNER)) return -EPERM; - if (S_ISLNK(ip->i_di.di_mode)) + if (S_ISLNK(ip->i_inode.i_mode)) return -EOPNOTSUPP; - if (!access && !S_ISDIR(ip->i_di.di_mode)) + if (!access && !S_ISDIR(ip->i_inode.i_mode)) return -EACCES; return 0; @@ -145,14 +145,14 @@ out: } /** - * gfs2_check_acl_locked - Check an ACL to see if we're allowed to do something + * gfs2_check_acl - Check an ACL to see if we're allowed to do something * @inode: the file we want to do something to * @mask: what we want to do * * Returns: errno */ -int gfs2_check_acl_locked(struct inode *inode, int mask) +int gfs2_check_acl(struct inode *inode, int mask) { struct posix_acl *acl = NULL; int error; @@ -170,21 +170,6 @@ int gfs2_check_acl_locked(struct inode *inode, int mask) return -EAGAIN; } -int gfs2_check_acl(struct inode *inode, int mask) -{ - struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_holder i_gh; - int error; - - error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh); - if (!error) { - error = gfs2_check_acl_locked(inode, mask); - gfs2_glock_dq_uninit(&i_gh); - } - - return error; -} - static int munge_mode(struct gfs2_inode *ip, mode_t mode) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); @@ -198,10 +183,10 @@ static int munge_mode(struct gfs2_inode *ip, mode_t mode) error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { gfs2_assert_withdraw(sdp, - (ip->i_di.di_mode & S_IFMT) == (mode & S_IFMT)); - ip->i_di.di_mode = mode; + (ip->i_inode.i_mode & S_IFMT) == (mode & S_IFMT)); + ip->i_inode.i_mode = mode; gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -215,12 +200,12 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip) struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct posix_acl *acl = NULL, *clone; struct gfs2_ea_request er; - mode_t mode = ip->i_di.di_mode; + mode_t mode = ip->i_inode.i_mode; int error; if (!sdp->sd_args.ar_posix_acl) return 0; - if (S_ISLNK(ip->i_di.di_mode)) + if (S_ISLNK(ip->i_inode.i_mode)) return 0; memset(&er, 0, sizeof(struct gfs2_ea_request)); @@ -232,7 +217,7 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip) return error; if (!acl) { mode &= ~current->fs->umask; - if (mode != ip->i_di.di_mode) + if (mode != ip->i_inode.i_mode) error = munge_mode(ip, mode); return error; } @@ -244,7 +229,7 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip) posix_acl_release(acl); acl = clone; - if (S_ISDIR(ip->i_di.di_mode)) { + if (S_ISDIR(ip->i_inode.i_mode)) { er.er_name = GFS2_POSIX_ACL_DEFAULT; er.er_name_len = GFS2_POSIX_ACL_DEFAULT_LEN; error = gfs2_system_eaops.eo_set(ip, &er); diff --git a/fs/gfs2/acl.h b/fs/gfs2/acl.h index 05c294fe0d7..6751930bfb6 100644 --- a/fs/gfs2/acl.h +++ b/fs/gfs2/acl.h @@ -31,7 +31,6 @@ int gfs2_acl_validate_set(struct gfs2_inode *ip, int access, struct gfs2_ea_request *er, int *remove, mode_t *mode); int gfs2_acl_validate_remove(struct gfs2_inode *ip, int access); -int gfs2_check_acl_locked(struct inode *inode, int mask); int gfs2_check_acl(struct inode *inode, int mask); int gfs2_acl_create(struct gfs2_inode *dip, struct gfs2_inode *ip); int gfs2_acl_chmod(struct gfs2_inode *ip, struct iattr *attr); diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 06e9a8cb45e..8240c1ff94f 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -38,8 +38,8 @@ struct metapath { }; typedef int (*block_call_t) (struct gfs2_inode *ip, struct buffer_head *dibh, - struct buffer_head *bh, u64 *top, - u64 *bottom, unsigned int height, + struct buffer_head *bh, __be64 *top, + __be64 *bottom, unsigned int height, void *data); struct strip_mine { @@ -163,6 +163,7 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page) if (ip->i_di.di_size) { *(__be64 *)(di + 1) = cpu_to_be64(block); ip->i_di.di_blocks++; + gfs2_set_inode_blocks(&ip->i_inode); di->di_blocks = cpu_to_be64(ip->i_di.di_blocks); } @@ -230,7 +231,7 @@ static int build_height(struct inode *inode, unsigned height) struct buffer_head *blocks[GFS2_MAX_META_HEIGHT]; struct gfs2_dinode *di; int error; - u64 *bp; + __be64 *bp; u64 bn; unsigned n; @@ -255,7 +256,7 @@ static int build_height(struct inode *inode, unsigned height) GFS2_FORMAT_IN); gfs2_buffer_clear_tail(blocks[n], sizeof(struct gfs2_meta_header)); - bp = (u64 *)(blocks[n]->b_data + + bp = (__be64 *)(blocks[n]->b_data + sizeof(struct gfs2_meta_header)); *bp = cpu_to_be64(blocks[n+1]->b_blocknr); brelse(blocks[n]); @@ -272,6 +273,7 @@ static int build_height(struct inode *inode, unsigned height) *(__be64 *)(di + 1) = cpu_to_be64(bn); ip->i_di.di_height += new_height; ip->i_di.di_blocks += new_height; + gfs2_set_inode_blocks(&ip->i_inode); di->di_height = cpu_to_be16(ip->i_di.di_height); di->di_blocks = cpu_to_be64(ip->i_di.di_blocks); brelse(dibh); @@ -360,15 +362,15 @@ static void find_metapath(struct gfs2_inode *ip, u64 block, * metadata tree. */ -static inline u64 *metapointer(struct buffer_head *bh, int *boundary, +static inline __be64 *metapointer(struct buffer_head *bh, int *boundary, unsigned int height, const struct metapath *mp) { unsigned int head_size = (height > 0) ? sizeof(struct gfs2_meta_header) : sizeof(struct gfs2_dinode); - u64 *ptr; + __be64 *ptr; *boundary = 0; - ptr = ((u64 *)(bh->b_data + head_size)) + mp->mp_list[height]; - if (ptr + 1 == (u64 *)(bh->b_data + bh->b_size)) + ptr = ((__be64 *)(bh->b_data + head_size)) + mp->mp_list[height]; + if (ptr + 1 == (__be64 *)(bh->b_data + bh->b_size)) *boundary = 1; return ptr; } @@ -394,7 +396,7 @@ static int lookup_block(struct gfs2_inode *ip, struct buffer_head *bh, int *new, u64 *block) { int boundary; - u64 *ptr = metapointer(bh, &boundary, height, mp); + __be64 *ptr = metapointer(bh, &boundary, height, mp); if (*ptr) { *block = be64_to_cpu(*ptr); @@ -415,17 +417,35 @@ static int lookup_block(struct gfs2_inode *ip, struct buffer_head *bh, *ptr = cpu_to_be64(*block); ip->i_di.di_blocks++; + gfs2_set_inode_blocks(&ip->i_inode); *new = 1; return 0; } +static inline void bmap_lock(struct inode *inode, int create) +{ + struct gfs2_inode *ip = GFS2_I(inode); + if (create) + down_write(&ip->i_rw_mutex); + else + down_read(&ip->i_rw_mutex); +} + +static inline void bmap_unlock(struct inode *inode, int create) +{ + struct gfs2_inode *ip = GFS2_I(inode); + if (create) + up_write(&ip->i_rw_mutex); + else + up_read(&ip->i_rw_mutex); +} + /** - * gfs2_block_pointers - Map a block from an inode to a disk block + * gfs2_block_map - Map a block from an inode to a disk block * @inode: The inode * @lblock: The logical block number - * @map_bh: The bh to be mapped - * @mp: metapath to use + * @bh_map: The bh to be mapped * * Find the block number on the current device which corresponds to an * inode's block. If the block had to be created, "new" will be set. @@ -433,8 +453,8 @@ static int lookup_block(struct gfs2_inode *ip, struct buffer_head *bh, * Returns: errno */ -static int gfs2_block_pointers(struct inode *inode, u64 lblock, int create, - struct buffer_head *bh_map, struct metapath *mp) +int gfs2_block_map(struct inode *inode, u64 lblock, int create, + struct buffer_head *bh_map) { struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); @@ -448,57 +468,61 @@ static int gfs2_block_pointers(struct inode *inode, u64 lblock, int create, u64 dblock = 0; int boundary; unsigned int maxlen = bh_map->b_size >> inode->i_blkbits; + struct metapath mp; + u64 size; BUG_ON(maxlen == 0); if (gfs2_assert_warn(sdp, !gfs2_is_stuffed(ip))) return 0; + bmap_lock(inode, create); + clear_buffer_mapped(bh_map); + clear_buffer_new(bh_map); + clear_buffer_boundary(bh_map); bsize = gfs2_is_dir(ip) ? sdp->sd_jbsize : sdp->sd_sb.sb_bsize; - - height = calc_tree_height(ip, (lblock + 1) * bsize); - if (ip->i_di.di_height < height) { - if (!create) - return 0; - - error = build_height(inode, height); - if (error) - return error; + size = (lblock + 1) * bsize; + + if (size > ip->i_di.di_size) { + height = calc_tree_height(ip, size); + if (ip->i_di.di_height < height) { + if (!create) + goto out_ok; + + error = build_height(inode, height); + if (error) + goto out_fail; + } } - find_metapath(ip, lblock, mp); + find_metapath(ip, lblock, &mp); end_of_metadata = ip->i_di.di_height - 1; - error = gfs2_meta_inode_buffer(ip, &bh); if (error) - return error; + goto out_fail; for (x = 0; x < end_of_metadata; x++) { - lookup_block(ip, bh, x, mp, create, &new, &dblock); + lookup_block(ip, bh, x, &mp, create, &new, &dblock); brelse(bh); if (!dblock) - return 0; + goto out_ok; error = gfs2_meta_indirect_buffer(ip, x+1, dblock, new, &bh); if (error) - return error; + goto out_fail; } - boundary = lookup_block(ip, bh, end_of_metadata, mp, create, &new, &dblock); - clear_buffer_mapped(bh_map); - clear_buffer_new(bh_map); - clear_buffer_boundary(bh_map); - + boundary = lookup_block(ip, bh, end_of_metadata, &mp, create, &new, &dblock); if (dblock) { map_bh(bh_map, inode->i_sb, dblock); if (boundary) - set_buffer_boundary(bh); + set_buffer_boundary(bh_map); if (new) { struct buffer_head *dibh; error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } set_buffer_new(bh_map); @@ -507,8 +531,8 @@ static int gfs2_block_pointers(struct inode *inode, u64 lblock, int create, while(--maxlen && !buffer_boundary(bh_map)) { u64 eblock; - mp->mp_list[end_of_metadata]++; - boundary = lookup_block(ip, bh, end_of_metadata, mp, 0, &new, &eblock); + mp.mp_list[end_of_metadata]++; + boundary = lookup_block(ip, bh, end_of_metadata, &mp, 0, &new, &eblock); if (eblock != ++dblock) break; bh_map->b_size += (1 << inode->i_blkbits); @@ -518,43 +542,15 @@ static int gfs2_block_pointers(struct inode *inode, u64 lblock, int create, } out_brelse: brelse(bh); - return 0; -} - - -static inline void bmap_lock(struct inode *inode, int create) -{ - struct gfs2_inode *ip = GFS2_I(inode); - if (create) - down_write(&ip->i_rw_mutex); - else - down_read(&ip->i_rw_mutex); -} - -static inline void bmap_unlock(struct inode *inode, int create) -{ - struct gfs2_inode *ip = GFS2_I(inode); - if (create) - up_write(&ip->i_rw_mutex); - else - up_read(&ip->i_rw_mutex); -} - -int gfs2_block_map(struct inode *inode, u64 lblock, int create, - struct buffer_head *bh) -{ - struct metapath mp; - int ret; - - bmap_lock(inode, create); - ret = gfs2_block_pointers(inode, lblock, create, bh, &mp); +out_ok: + error = 0; +out_fail: bmap_unlock(inode, create); - return ret; + return error; } int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen) { - struct metapath mp; struct buffer_head bh = { .b_state = 0, .b_blocknr = 0 }; int ret; int create = *new; @@ -564,9 +560,7 @@ int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsi BUG_ON(!new); bh.b_size = 1 << (inode->i_blkbits + 5); - bmap_lock(inode, create); - ret = gfs2_block_pointers(inode, lblock, create, &bh, &mp); - bmap_unlock(inode, create); + ret = gfs2_block_map(inode, lblock, create, &bh); *extlen = bh.b_size >> inode->i_blkbits; *dblock = bh.b_blocknr; if (buffer_new(&bh)) @@ -600,7 +594,7 @@ static int recursive_scan(struct gfs2_inode *ip, struct buffer_head *dibh, { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct buffer_head *bh = NULL; - u64 *top, *bottom; + __be64 *top, *bottom; u64 bn; int error; int mh_size = sizeof(struct gfs2_meta_header); @@ -611,17 +605,17 @@ static int recursive_scan(struct gfs2_inode *ip, struct buffer_head *dibh, return error; dibh = bh; - top = (u64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + mp->mp_list[0]; - bottom = (u64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + sdp->sd_diptrs; + top = (__be64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + mp->mp_list[0]; + bottom = (__be64 *)(bh->b_data + sizeof(struct gfs2_dinode)) + sdp->sd_diptrs; } else { error = gfs2_meta_indirect_buffer(ip, height, block, 0, &bh); if (error) return error; - top = (u64 *)(bh->b_data + mh_size) + + top = (__be64 *)(bh->b_data + mh_size) + (first ? mp->mp_list[height] : 0); - bottom = (u64 *)(bh->b_data + mh_size) + sdp->sd_inptrs; + bottom = (__be64 *)(bh->b_data + mh_size) + sdp->sd_inptrs; } error = bc(ip, dibh, bh, top, bottom, height, data); @@ -660,7 +654,7 @@ out: */ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, - struct buffer_head *bh, u64 *top, u64 *bottom, + struct buffer_head *bh, __be64 *top, __be64 *bottom, unsigned int height, void *data) { struct strip_mine *sm = data; @@ -668,7 +662,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, struct gfs2_rgrp_list rlist; u64 bn, bstart; u32 blen; - u64 *p; + __be64 *p; unsigned int rg_blocks = 0; int metadata; unsigned int revokes = 0; @@ -770,6 +764,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, if (!ip->i_di.di_blocks) gfs2_consist_inode(ip); ip->i_di.di_blocks--; + gfs2_set_inode_blocks(&ip->i_inode); } if (bstart) { if (metadata) @@ -778,9 +773,9 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, gfs2_free_data(ip, bstart, blen); } - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); up_write(&ip->i_rw_mutex); @@ -819,7 +814,7 @@ static int do_grow(struct gfs2_inode *ip, u64 size) if (error) goto out; - error = gfs2_quota_check(ip, ip->i_di.di_uid, ip->i_di.di_gid); + error = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); if (error) goto out_gunlock_q; @@ -853,14 +848,14 @@ static int do_grow(struct gfs2_inode *ip, u64 size) } ip->i_di.di_size = size; - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); error = gfs2_meta_inode_buffer(ip, &dibh); if (error) goto out_end_trans; gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); out_end_trans: @@ -968,9 +963,9 @@ static int trunc_start(struct gfs2_inode *ip, u64 size) if (gfs2_is_stuffed(ip)) { ip->i_di.di_size = size; - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode) + size); error = 1; @@ -980,10 +975,10 @@ static int trunc_start(struct gfs2_inode *ip, u64 size) if (!error) { ip->i_di.di_size = size; - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); ip->i_di.di_flags |= GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); } } @@ -1053,11 +1048,11 @@ static int trunc_end(struct gfs2_inode *ip) ip->i_num.no_addr; gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); } - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); ip->i_di.di_flags &= ~GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); out: @@ -1109,7 +1104,7 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size) { int error; - if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_di.di_mode))) + if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_inode.i_mode))) return -EINVAL; if (size > ip->i_di.di_size) diff --git a/fs/gfs2/daemon.c b/fs/gfs2/daemon.c index cab1f68d468..683cb5bda87 100644 --- a/fs/gfs2/daemon.c +++ b/fs/gfs2/daemon.c @@ -112,6 +112,7 @@ int gfs2_logd(void *data) struct gfs2_sbd *sdp = data; struct gfs2_holder ji_gh; unsigned long t; + int need_flush; while (!kthread_should_stop()) { /* Advance the log tail */ @@ -120,8 +121,10 @@ int gfs2_logd(void *data) gfs2_tune_get(sdp, gt_log_flush_secs) * HZ; gfs2_ail1_empty(sdp, DIO_ALL); - - if (time_after_eq(jiffies, t)) { + gfs2_log_lock(sdp); + need_flush = sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks); + gfs2_log_unlock(sdp); + if (need_flush || time_after_eq(jiffies, t)) { gfs2_log_flush(sdp, NULL); sdp->sd_log_flush_time = jiffies; } diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index e24af28b1a1..0fdcb7713cd 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -131,8 +131,8 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf, memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size); if (ip->i_di.di_size < offset + size) ip->i_di.di_size = offset + size; - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -229,10 +229,10 @@ out: if (ip->i_di.di_size < offset + copied) ip->i_di.di_size = offset + copied; - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); return copied; @@ -340,10 +340,15 @@ fail: return (copied) ? copied : error; } +static inline int gfs2_dirent_sentinel(const struct gfs2_dirent *dent) +{ + return dent->de_inum.no_addr == 0 || dent->de_inum.no_formal_ino == 0; +} + static inline int __gfs2_dirent_find(const struct gfs2_dirent *dent, const struct qstr *name, int ret) { - if (dent->de_inum.no_addr != 0 && + if (!gfs2_dirent_sentinel(dent) && be32_to_cpu(dent->de_hash) == name->hash && be16_to_cpu(dent->de_name_len) == name->len && memcmp(dent+1, name->name, name->len) == 0) @@ -388,7 +393,7 @@ static int gfs2_dirent_find_space(const struct gfs2_dirent *dent, unsigned actual = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); unsigned totlen = be16_to_cpu(dent->de_rec_len); - if (!dent->de_inum.no_addr) + if (gfs2_dirent_sentinel(dent)) actual = GFS2_DIRENT_SIZE(0); if (totlen - actual >= required) return 1; @@ -405,7 +410,7 @@ static int gfs2_dirent_gather(const struct gfs2_dirent *dent, void *opaque) { struct dirent_gather *g = opaque; - if (dent->de_inum.no_addr) { + if (!gfs2_dirent_sentinel(dent)) { g->pdent[g->offset++] = dent; } return 0; @@ -433,10 +438,10 @@ static int gfs2_check_dirent(struct gfs2_dirent *dent, unsigned int offset, if (unlikely(offset + size > len)) goto error; msg = "zero inode number"; - if (unlikely(!first && !dent->de_inum.no_addr)) + if (unlikely(!first && gfs2_dirent_sentinel(dent))) goto error; msg = "name length is greater than space in dirent"; - if (dent->de_inum.no_addr && + if (!gfs2_dirent_sentinel(dent) && unlikely(sizeof(struct gfs2_dirent)+be16_to_cpu(dent->de_name_len) > size)) goto error; @@ -598,7 +603,7 @@ static int dirent_next(struct gfs2_inode *dip, struct buffer_head *bh, return ret; /* Only the first dent could ever have de_inum.no_addr == 0 */ - if (!tmp->de_inum.no_addr) { + if (gfs2_dirent_sentinel(tmp)) { gfs2_consist_inode(dip); return -EIO; } @@ -621,7 +626,7 @@ static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh, { u16 cur_rec_len, prev_rec_len; - if (!cur->de_inum.no_addr) { + if (gfs2_dirent_sentinel(cur)) { gfs2_consist_inode(dip); return; } @@ -633,7 +638,8 @@ static void dirent_del(struct gfs2_inode *dip, struct buffer_head *bh, out the inode number and return. */ if (!prev) { - cur->de_inum.no_addr = 0; /* No endianess worries */ + cur->de_inum.no_addr = 0; + cur->de_inum.no_formal_ino = 0; return; } @@ -664,7 +670,7 @@ static struct gfs2_dirent *gfs2_init_dirent(struct inode *inode, struct gfs2_dirent *ndent; unsigned offset = 0, totlen; - if (dent->de_inum.no_addr) + if (!gfs2_dirent_sentinel(dent)) offset = GFS2_DIRENT_SIZE(be16_to_cpu(dent->de_name_len)); totlen = be16_to_cpu(dent->de_rec_len); BUG_ON(offset + name->len > totlen); @@ -713,12 +719,12 @@ static int get_leaf(struct gfs2_inode *dip, u64 leaf_no, static int get_leaf_nr(struct gfs2_inode *dip, u32 index, u64 *leaf_out) { - u64 leaf_no; + __be64 leaf_no; int error; error = gfs2_dir_read_data(dip, (char *)&leaf_no, - index * sizeof(u64), - sizeof(u64), 0); + index * sizeof(__be64), + sizeof(__be64), 0); if (error != sizeof(u64)) return (error < 0) ? error : -EIO; @@ -837,7 +843,8 @@ static int dir_make_exhash(struct inode *inode) struct gfs2_leaf *leaf; int y; u32 x; - u64 *lp, bn; + __be64 *lp; + u64 bn; int error; error = gfs2_meta_inode_buffer(dip, &dibh); @@ -893,20 +900,20 @@ static int dir_make_exhash(struct inode *inode) gfs2_trans_add_bh(dip->i_gl, dibh, 1); gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); - lp = (u64 *)(dibh->b_data + sizeof(struct gfs2_dinode)); + lp = (__be64 *)(dibh->b_data + sizeof(struct gfs2_dinode)); for (x = sdp->sd_hash_ptrs; x--; lp++) *lp = cpu_to_be64(bn); dip->i_di.di_size = sdp->sd_sb.sb_bsize / 2; dip->i_di.di_blocks++; + gfs2_set_inode_blocks(&dip->i_inode); dip->i_di.di_flags |= GFS2_DIF_EXHASH; - dip->i_di.di_payload_format = 0; for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ; dip->i_di.di_depth = y; - gfs2_dinode_out(&dip->i_di, dibh->b_data); + gfs2_dinode_out(dip, dibh->b_data); brelse(dibh); @@ -929,7 +936,8 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name) struct gfs2_leaf *nleaf, *oleaf; struct gfs2_dirent *dent = NULL, *prev = NULL, *next = NULL, *new; u32 start, len, half_len, divider; - u64 bn, *lp, leaf_no; + u64 bn, leaf_no; + __be64 *lp; u32 index; int x, moved = 0; int error; @@ -974,7 +982,7 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name) /* Change the pointers. Don't bother distinguishing stuffed from non-stuffed. This code is complicated enough already. */ - lp = kmalloc(half_len * sizeof(u64), GFP_NOFS | __GFP_NOFAIL); + lp = kmalloc(half_len * sizeof(__be64), GFP_NOFS | __GFP_NOFAIL); /* Change the pointers */ for (x = 0; x < half_len; x++) lp[x] = cpu_to_be64(bn); @@ -1000,7 +1008,7 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name) if (dirent_next(dip, obh, &next)) next = NULL; - if (dent->de_inum.no_addr && + if (!gfs2_dirent_sentinel(dent) && be32_to_cpu(dent->de_hash) < divider) { struct qstr str; str.name = (char*)(dent+1); @@ -1037,7 +1045,8 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name) error = gfs2_meta_inode_buffer(dip, &dibh); if (!gfs2_assert_withdraw(GFS2_SB(&dip->i_inode), !error)) { dip->i_di.di_blocks++; - gfs2_dinode_out(&dip->i_di, dibh->b_data); + gfs2_set_inode_blocks(&dip->i_inode); + gfs2_dinode_out(dip, dibh->b_data); brelse(dibh); } @@ -1117,7 +1126,7 @@ static int dir_double_exhash(struct gfs2_inode *dip) error = gfs2_meta_inode_buffer(dip, &dibh); if (!gfs2_assert_withdraw(sdp, !error)) { dip->i_di.di_depth++; - gfs2_dinode_out(&dip->i_di, dibh->b_data); + gfs2_dinode_out(dip, dibh->b_data); brelse(dibh); } @@ -1194,7 +1203,7 @@ static int do_filldir_main(struct gfs2_inode *dip, u64 *offset, int *copied) { const struct gfs2_dirent *dent, *dent_next; - struct gfs2_inum inum; + struct gfs2_inum_host inum; u64 off, off_next; unsigned int x, y; int run = 0; @@ -1341,7 +1350,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, u32 hsize, len = 0; u32 ht_offset, lp_offset, ht_offset_cur = -1; u32 hash, index; - u64 *lp; + __be64 *lp; int copied = 0; int error = 0; unsigned depth = 0; @@ -1365,7 +1374,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque, if (ht_offset_cur != ht_offset) { error = gfs2_dir_read_data(dip, (char *)lp, - ht_offset * sizeof(u64), + ht_offset * sizeof(__be64), sdp->sd_hash_bsize, 1); if (error != sdp->sd_hash_bsize) { if (error >= 0) @@ -1456,7 +1465,7 @@ out: */ int gfs2_dir_search(struct inode *dir, const struct qstr *name, - struct gfs2_inum *inum, unsigned int *type) + struct gfs2_inum_host *inum, unsigned int *type) { struct buffer_head *bh; struct gfs2_dirent *dent; @@ -1515,7 +1524,8 @@ static int dir_new_leaf(struct inode *inode, const struct qstr *name) return error; gfs2_trans_add_bh(ip->i_gl, bh, 1); ip->i_di.di_blocks++; - gfs2_dinode_out(&ip->i_di, bh->b_data); + gfs2_set_inode_blocks(&ip->i_inode); + gfs2_dinode_out(ip, bh->b_data); brelse(bh); return 0; } @@ -1531,7 +1541,7 @@ static int dir_new_leaf(struct inode *inode, const struct qstr *name) */ int gfs2_dir_add(struct inode *inode, const struct qstr *name, - const struct gfs2_inum *inum, unsigned type) + const struct gfs2_inum_host *inum, unsigned type) { struct gfs2_inode *ip = GFS2_I(inode); struct buffer_head *bh; @@ -1558,8 +1568,8 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, break; gfs2_trans_add_bh(ip->i_gl, bh, 1); ip->i_di.di_entries++; - ip->i_di.di_mtime = ip->i_di.di_ctime = get_seconds(); - gfs2_dinode_out(&ip->i_di, bh->b_data); + ip->i_inode.i_mtime.tv_sec = ip->i_inode.i_ctime.tv_sec = get_seconds(); + gfs2_dinode_out(ip, bh->b_data); brelse(bh); error = 0; break; @@ -1644,8 +1654,8 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name) gfs2_consist_inode(dip); gfs2_trans_add_bh(dip->i_gl, bh, 1); dip->i_di.di_entries--; - dip->i_di.di_mtime = dip->i_di.di_ctime = get_seconds(); - gfs2_dinode_out(&dip->i_di, bh->b_data); + dip->i_inode.i_mtime.tv_sec = dip->i_inode.i_ctime.tv_sec = get_seconds(); + gfs2_dinode_out(dip, bh->b_data); brelse(bh); mark_inode_dirty(&dip->i_inode); @@ -1666,7 +1676,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *name) */ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, - struct gfs2_inum *inum, unsigned int new_type) + struct gfs2_inum_host *inum, unsigned int new_type) { struct buffer_head *bh; struct gfs2_dirent *dent; @@ -1692,8 +1702,8 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, gfs2_trans_add_bh(dip->i_gl, bh, 1); } - dip->i_di.di_mtime = dip->i_di.di_ctime = get_seconds(); - gfs2_dinode_out(&dip->i_di, bh->b_data); + dip->i_inode.i_mtime.tv_sec = dip->i_inode.i_ctime.tv_sec = get_seconds(); + gfs2_dinode_out(dip, bh->b_data); brelse(bh); return 0; } @@ -1715,7 +1725,7 @@ static int foreach_leaf(struct gfs2_inode *dip, leaf_call_t lc, void *data) u32 hsize, len; u32 ht_offset, lp_offset, ht_offset_cur = -1; u32 index = 0; - u64 *lp; + __be64 *lp; u64 leaf_no; int error = 0; @@ -1735,7 +1745,7 @@ static int foreach_leaf(struct gfs2_inode *dip, leaf_call_t lc, void *data) if (ht_offset_cur != ht_offset) { error = gfs2_dir_read_data(dip, (char *)lp, - ht_offset * sizeof(u64), + ht_offset * sizeof(__be64), sdp->sd_hash_bsize, 1); if (error != sdp->sd_hash_bsize) { if (error >= 0) @@ -1859,6 +1869,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len, if (!dip->i_di.di_blocks) gfs2_consist_inode(dip); dip->i_di.di_blocks--; + gfs2_set_inode_blocks(&dip->i_inode); } error = gfs2_dir_write_data(dip, ht, index * sizeof(u64), size); @@ -1873,7 +1884,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len, goto out_end_trans; gfs2_trans_add_bh(dip->i_gl, dibh, 1); - gfs2_dinode_out(&dip->i_di, dibh->b_data); + gfs2_dinode_out(dip, dibh->b_data); brelse(dibh); out_end_trans: diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h index 371233419b0..b21b33668a5 100644 --- a/fs/gfs2/dir.h +++ b/fs/gfs2/dir.h @@ -31,17 +31,17 @@ struct gfs2_inum; typedef int (*gfs2_filldir_t) (void *opaque, const char *name, unsigned int length, u64 offset, - struct gfs2_inum *inum, unsigned int type); + struct gfs2_inum_host *inum, unsigned int type); int gfs2_dir_search(struct inode *dir, const struct qstr *filename, - struct gfs2_inum *inum, unsigned int *type); + struct gfs2_inum_host *inum, unsigned int *type); int gfs2_dir_add(struct inode *inode, const struct qstr *filename, - const struct gfs2_inum *inum, unsigned int type); + const struct gfs2_inum_host *inum, unsigned int type); int gfs2_dir_del(struct gfs2_inode *dip, const struct qstr *filename); int gfs2_dir_read(struct inode *inode, u64 * offset, void *opaque, gfs2_filldir_t filldir); int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, - struct gfs2_inum *new_inum, unsigned int new_type); + struct gfs2_inum_host *new_inum, unsigned int new_type); int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip); diff --git a/fs/gfs2/eaops.c b/fs/gfs2/eaops.c index 92c54e9b0dc..cd747c00f67 100644 --- a/fs/gfs2/eaops.c +++ b/fs/gfs2/eaops.c @@ -120,7 +120,7 @@ static int system_eo_set(struct gfs2_inode *ip, struct gfs2_ea_request *er) if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) { if (!(er->er_flags & GFS2_ERF_MODE)) { - er->er_mode = ip->i_di.di_mode; + er->er_mode = ip->i_inode.i_mode; er->er_flags |= GFS2_ERF_MODE; } error = gfs2_acl_validate_set(ip, 1, er, diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c index a65a4ccfd4d..ebebbdcd705 100644 --- a/fs/gfs2/eattr.c +++ b/fs/gfs2/eattr.c @@ -112,7 +112,7 @@ fail: static int ea_foreach(struct gfs2_inode *ip, ea_call_t ea_call, void *data) { struct buffer_head *bh, *eabh; - u64 *eablk, *end; + __be64 *eablk, *end; int error; error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &bh); @@ -129,7 +129,7 @@ static int ea_foreach(struct gfs2_inode *ip, ea_call_t ea_call, void *data) goto out; } - eablk = (u64 *)(bh->b_data + sizeof(struct gfs2_meta_header)); + eablk = (__be64 *)(bh->b_data + sizeof(struct gfs2_meta_header)); end = eablk + GFS2_SB(&ip->i_inode)->sd_inptrs; for (; eablk < end; eablk++) { @@ -224,7 +224,8 @@ static int ea_dealloc_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh, struct gfs2_rgrpd *rgd; struct gfs2_holder rg_gh; struct buffer_head *dibh; - u64 *dataptrs, bn = 0; + __be64 *dataptrs; + u64 bn = 0; u64 bstart = 0; unsigned int blen = 0; unsigned int blks = 0; @@ -280,6 +281,7 @@ static int ea_dealloc_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh, if (!ip->i_di.di_blocks) gfs2_consist_inode(ip); ip->i_di.di_blocks--; + gfs2_set_inode_blocks(&ip->i_inode); } if (bstart) gfs2_free_meta(ip, bstart, blen); @@ -299,9 +301,9 @@ static int ea_dealloc_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh, error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { - ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -444,7 +446,7 @@ static int ea_get_unstuffed(struct gfs2_inode *ip, struct gfs2_ea_header *ea, struct buffer_head **bh; unsigned int amount = GFS2_EA_DATA_LEN(ea); unsigned int nptrs = DIV_ROUND_UP(amount, sdp->sd_jbsize); - u64 *dataptrs = GFS2_EA2DATAPTRS(ea); + __be64 *dataptrs = GFS2_EA2DATAPTRS(ea); unsigned int x; int error = 0; @@ -597,6 +599,7 @@ static int ea_alloc_blk(struct gfs2_inode *ip, struct buffer_head **bhp) ea->ea_num_ptrs = 0; ip->i_di.di_blocks++; + gfs2_set_inode_blocks(&ip->i_inode); return 0; } @@ -629,7 +632,7 @@ static int ea_write(struct gfs2_inode *ip, struct gfs2_ea_header *ea, ea->ea_num_ptrs = 0; memcpy(GFS2_EA2DATA(ea), er->er_data, er->er_data_len); } else { - u64 *dataptr = GFS2_EA2DATAPTRS(ea); + __be64 *dataptr = GFS2_EA2DATAPTRS(ea); const char *data = er->er_data; unsigned int data_len = er->er_data_len; unsigned int copy; @@ -648,6 +651,7 @@ static int ea_write(struct gfs2_inode *ip, struct gfs2_ea_header *ea, gfs2_metatype_set(bh, GFS2_METATYPE_ED, GFS2_FORMAT_ED); ip->i_di.di_blocks++; + gfs2_set_inode_blocks(&ip->i_inode); copy = data_len > sdp->sd_jbsize ? sdp->sd_jbsize : data_len; @@ -686,7 +690,7 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (error) goto out; - error = gfs2_quota_check(ip, ip->i_di.di_uid, ip->i_di.di_gid); + error = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); if (error) goto out_gunlock_q; @@ -710,13 +714,13 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er, if (!error) { if (er->er_flags & GFS2_ERF_MODE) { gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), - (ip->i_di.di_mode & S_IFMT) == + (ip->i_inode.i_mode & S_IFMT) == (er->er_mode & S_IFMT)); - ip->i_di.di_mode = er->er_mode; + ip->i_inode.i_mode = er->er_mode; } - ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -846,12 +850,12 @@ static int ea_set_simple_noalloc(struct gfs2_inode *ip, struct buffer_head *bh, if (er->er_flags & GFS2_ERF_MODE) { gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), - (ip->i_di.di_mode & S_IFMT) == (er->er_mode & S_IFMT)); - ip->i_di.di_mode = er->er_mode; + (ip->i_inode.i_mode & S_IFMT) == (er->er_mode & S_IFMT)); + ip->i_inode.i_mode = er->er_mode; } - ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); out: gfs2_trans_end(GFS2_SB(&ip->i_inode)); @@ -931,12 +935,12 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct buffer_head *indbh, *newbh; - u64 *eablk; + __be64 *eablk; int error; int mh_size = sizeof(struct gfs2_meta_header); if (ip->i_di.di_flags & GFS2_DIF_EA_INDIRECT) { - u64 *end; + __be64 *end; error = gfs2_meta_read(ip->i_gl, ip->i_di.di_eattr, DIO_WAIT, &indbh); @@ -948,7 +952,7 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, goto out; } - eablk = (u64 *)(indbh->b_data + mh_size); + eablk = (__be64 *)(indbh->b_data + mh_size); end = eablk + sdp->sd_inptrs; for (; eablk < end; eablk++) @@ -971,11 +975,12 @@ static int ea_set_block(struct gfs2_inode *ip, struct gfs2_ea_request *er, gfs2_metatype_set(indbh, GFS2_METATYPE_IN, GFS2_FORMAT_IN); gfs2_buffer_clear_tail(indbh, mh_size); - eablk = (u64 *)(indbh->b_data + mh_size); + eablk = (__be64 *)(indbh->b_data + mh_size); *eablk = cpu_to_be64(ip->i_di.di_eattr); ip->i_di.di_eattr = blk; ip->i_di.di_flags |= GFS2_DIF_EA_INDIRECT; ip->i_di.di_blocks++; + gfs2_set_inode_blocks(&ip->i_inode); eablk++; } @@ -1129,9 +1134,9 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el) error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { - ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -1202,7 +1207,7 @@ static int ea_acl_chmod_unstuffed(struct gfs2_inode *ip, struct buffer_head **bh; unsigned int amount = GFS2_EA_DATA_LEN(ea); unsigned int nptrs = DIV_ROUND_UP(amount, sdp->sd_jbsize); - u64 *dataptrs = GFS2_EA2DATAPTRS(ea); + __be64 *dataptrs = GFS2_EA2DATAPTRS(ea); unsigned int x; int error; @@ -1284,9 +1289,8 @@ int gfs2_ea_acl_chmod(struct gfs2_inode *ip, struct gfs2_ea_location *el, if (!error) { error = inode_setattr(&ip->i_inode, attr); gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error); - gfs2_inode_attr_out(ip); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -1300,7 +1304,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); struct gfs2_rgrp_list rlist; struct buffer_head *indbh, *dibh; - u64 *eablk, *end; + __be64 *eablk, *end; unsigned int rg_blocks = 0; u64 bstart = 0; unsigned int blen = 0; @@ -1319,7 +1323,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) goto out; } - eablk = (u64 *)(indbh->b_data + sizeof(struct gfs2_meta_header)); + eablk = (__be64 *)(indbh->b_data + sizeof(struct gfs2_meta_header)); end = eablk + sdp->sd_inptrs; for (; eablk < end; eablk++) { @@ -1363,7 +1367,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) gfs2_trans_add_bh(ip->i_gl, indbh, 1); - eablk = (u64 *)(indbh->b_data + sizeof(struct gfs2_meta_header)); + eablk = (__be64 *)(indbh->b_data + sizeof(struct gfs2_meta_header)); bstart = 0; blen = 0; @@ -1387,6 +1391,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) if (!ip->i_di.di_blocks) gfs2_consist_inode(ip); ip->i_di.di_blocks--; + gfs2_set_inode_blocks(&ip->i_inode); } if (bstart) gfs2_free_meta(ip, bstart, blen); @@ -1396,7 +1401,7 @@ static int ea_dealloc_indirect(struct gfs2_inode *ip) error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -1441,11 +1446,12 @@ static int ea_dealloc_block(struct gfs2_inode *ip) if (!ip->i_di.di_blocks) gfs2_consist_inode(ip); ip->i_di.di_blocks--; + gfs2_set_inode_blocks(&ip->i_inode); error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } diff --git a/fs/gfs2/eattr.h b/fs/gfs2/eattr.h index ffa65947d68..c82dbe01d71 100644 --- a/fs/gfs2/eattr.h +++ b/fs/gfs2/eattr.h @@ -19,7 +19,7 @@ struct iattr; #define GFS2_EA_SIZE(ea) \ ALIGN(sizeof(struct gfs2_ea_header) + (ea)->ea_name_len + \ ((GFS2_EA_IS_STUFFED(ea)) ? GFS2_EA_DATA_LEN(ea) : \ - (sizeof(u64) * (ea)->ea_num_ptrs)), 8) + (sizeof(__be64) * (ea)->ea_num_ptrs)), 8) #define GFS2_EA_IS_STUFFED(ea) (!(ea)->ea_num_ptrs) #define GFS2_EA_IS_LAST(ea) ((ea)->ea_flags & GFS2_EAFLAG_LAST) @@ -29,13 +29,13 @@ ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + (er)->er_data_len, 8) #define GFS2_EAREQ_SIZE_UNSTUFFED(sdp, er) \ ALIGN(sizeof(struct gfs2_ea_header) + (er)->er_name_len + \ - sizeof(u64) * DIV_ROUND_UP((er)->er_data_len, (sdp)->sd_jbsize), 8) + sizeof(__be64) * DIV_ROUND_UP((er)->er_data_len, (sdp)->sd_jbsize), 8) #define GFS2_EA2NAME(ea) ((char *)((struct gfs2_ea_header *)(ea) + 1)) #define GFS2_EA2DATA(ea) (GFS2_EA2NAME(ea) + (ea)->ea_name_len) #define GFS2_EA2DATAPTRS(ea) \ -((u64 *)(GFS2_EA2NAME(ea) + ALIGN((ea)->ea_name_len, 8))) +((__be64 *)(GFS2_EA2NAME(ea) + ALIGN((ea)->ea_name_len, 8))) #define GFS2_EA2NEXT(ea) \ ((struct gfs2_ea_header *)((char *)(ea) + GFS2_EA_REC_LEN(ea))) diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 78fe0fae23f..438146904b5 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -35,7 +35,7 @@ struct greedy { struct gfs2_holder gr_gh; - struct work_struct gr_work; + struct delayed_work gr_work; }; struct gfs2_gl_hash_bucket { @@ -96,7 +96,7 @@ static inline rwlock_t *gl_lock_addr(unsigned int x) return &gl_hash_locks[x & (GL_HASH_LOCK_SZ-1)]; } #else /* not SMP, so no spinlocks required */ -static inline rwlock_t *gl_lock_addr(x) +static inline rwlock_t *gl_lock_addr(unsigned int x) { return NULL; } @@ -769,7 +769,7 @@ restart: } else { spin_unlock(&gl->gl_spin); - new_gh = gfs2_holder_get(gl, state, LM_FLAG_TRY, GFP_KERNEL); + new_gh = gfs2_holder_get(gl, state, LM_FLAG_TRY, GFP_NOFS); if (!new_gh) return; set_bit(HIF_DEMOTE, &new_gh->gh_iflags); @@ -785,21 +785,6 @@ out: gfs2_holder_put(new_gh); } -void gfs2_glock_inode_squish(struct inode *inode) -{ - struct gfs2_holder gh; - struct gfs2_glock *gl = GFS2_I(inode)->i_gl; - gfs2_holder_init(gl, LM_ST_UNLOCKED, 0, &gh); - set_bit(HIF_DEMOTE, &gh.gh_iflags); - spin_lock(&gl->gl_spin); - gfs2_assert(inode->i_sb->s_fs_info, list_empty(&gl->gl_holders)); - list_add_tail(&gh.gh_list, &gl->gl_waiters2); - run_queue(gl); - spin_unlock(&gl->gl_spin); - wait_for_completion(&gh.gh_wait); - gfs2_holder_uninit(&gh); -} - /** * state_change - record that the glock is now in a different state * @gl: the glock @@ -847,12 +832,12 @@ static void xmote_bh(struct gfs2_glock *gl, unsigned int ret) if (prev_state != LM_ST_UNLOCKED && !(ret & LM_OUT_CACHEABLE)) { if (glops->go_inval) - glops->go_inval(gl, DIO_METADATA | DIO_DATA); + glops->go_inval(gl, DIO_METADATA); } else if (gl->gl_state == LM_ST_DEFERRED) { /* We might not want to do this here. Look at moving to the inode glops. */ if (glops->go_inval) - glops->go_inval(gl, DIO_DATA); + glops->go_inval(gl, 0); } /* Deal with each possible exit condition */ @@ -954,7 +939,7 @@ void gfs2_glock_xmote_th(struct gfs2_glock *gl, unsigned int state, int flags) gfs2_assert_warn(sdp, state != gl->gl_state); if (gl->gl_state == LM_ST_EXCLUSIVE && glops->go_sync) - glops->go_sync(gl, DIO_METADATA | DIO_DATA | DIO_RELEASE); + glops->go_sync(gl); gfs2_glock_hold(gl); gl->gl_req_bh = xmote_bh; @@ -995,7 +980,7 @@ static void drop_bh(struct gfs2_glock *gl, unsigned int ret) state_change(gl, LM_ST_UNLOCKED); if (glops->go_inval) - glops->go_inval(gl, DIO_METADATA | DIO_DATA); + glops->go_inval(gl, DIO_METADATA); if (gh) { spin_lock(&gl->gl_spin); @@ -1041,7 +1026,7 @@ void gfs2_glock_drop_th(struct gfs2_glock *gl) gfs2_assert_warn(sdp, gl->gl_state != LM_ST_UNLOCKED); if (gl->gl_state == LM_ST_EXCLUSIVE && glops->go_sync) - glops->go_sync(gl, DIO_METADATA | DIO_DATA | DIO_RELEASE); + glops->go_sync(gl); gfs2_glock_hold(gl); gl->gl_req_bh = drop_bh; @@ -1244,9 +1229,6 @@ restart: clear_bit(GLF_PREFETCH, &gl->gl_flags); - if (error == GLR_TRYFAILED && (gh->gh_flags & GL_DUMP)) - dump_glock(gl); - return error; } @@ -1368,9 +1350,9 @@ static void gfs2_glock_prefetch(struct gfs2_glock *gl, unsigned int state, glops->go_xmote_th(gl, state, flags); } -static void greedy_work(void *data) +static void greedy_work(struct work_struct *work) { - struct greedy *gr = data; + struct greedy *gr = container_of(work, struct greedy, gr_work.work); struct gfs2_holder *gh = &gr->gr_gh; struct gfs2_glock *gl = gh->gh_gl; const struct gfs2_glock_operations *glops = gl->gl_ops; @@ -1422,7 +1404,7 @@ int gfs2_glock_be_greedy(struct gfs2_glock *gl, unsigned int time) gfs2_holder_init(gl, 0, 0, gh); set_bit(HIF_GREEDY, &gh->gh_iflags); - INIT_WORK(&gr->gr_work, greedy_work, gr); + INIT_DELAYED_WORK(&gr->gr_work, greedy_work); set_bit(GLF_SKIP_WAITERS2, &gl->gl_flags); schedule_delayed_work(&gr->gr_work, time); @@ -1923,7 +1905,7 @@ out: static void scan_glock(struct gfs2_glock *gl) { - if (gl->gl_ops == &gfs2_inode_glops) + if (gl->gl_ops == &gfs2_inode_glops && gl->gl_object) return; if (gfs2_glmutex_trylock(gl)) { @@ -2078,7 +2060,7 @@ static int dump_inode(struct gfs2_inode *ip) printk(KERN_INFO " num = %llu %llu\n", (unsigned long long)ip->i_num.no_formal_ino, (unsigned long long)ip->i_num.no_addr); - printk(KERN_INFO " type = %u\n", IF2DT(ip->i_di.di_mode)); + printk(KERN_INFO " type = %u\n", IF2DT(ip->i_inode.i_mode)); printk(KERN_INFO " i_flags ="); for (x = 0; x < 32; x++) if (test_bit(x, &ip->i_flags)) diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index 2b2a889ee2c..fb39108fc05 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -27,8 +27,6 @@ #define GL_ATIME 0x00000200 #define GL_NOCACHE 0x00000400 #define GL_NOCANCEL 0x00001000 -#define GL_AOP 0x00004000 -#define GL_DUMP 0x00008000 #define GLR_TRYFAILED 13 #define GLR_CANCELED 14 @@ -108,7 +106,6 @@ void gfs2_glock_dq_uninit_m(unsigned int num_gh, struct gfs2_holder *ghs); void gfs2_glock_prefetch_num(struct gfs2_sbd *sdp, u64 number, const struct gfs2_glock_operations *glops, unsigned int state, int flags); -void gfs2_glock_inode_squish(struct inode *inode); /** * gfs2_glock_nq_init - intialize a holder and enqueue it on a glock diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 41a6b6818a5..b068d10bcb6 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -92,7 +92,7 @@ static void gfs2_pte_inval(struct gfs2_glock *gl) ip = gl->gl_object; inode = &ip->i_inode; - if (!ip || !S_ISREG(ip->i_di.di_mode)) + if (!ip || !S_ISREG(inode->i_mode)) return; if (!test_bit(GIF_PAGED, &ip->i_flags)) @@ -107,89 +107,20 @@ static void gfs2_pte_inval(struct gfs2_glock *gl) } /** - * gfs2_page_inval - Invalidate all pages associated with a glock - * @gl: the glock - * - */ - -static void gfs2_page_inval(struct gfs2_glock *gl) -{ - struct gfs2_inode *ip; - struct inode *inode; - - ip = gl->gl_object; - inode = &ip->i_inode; - if (!ip || !S_ISREG(ip->i_di.di_mode)) - return; - - truncate_inode_pages(inode->i_mapping, 0); - gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), !inode->i_mapping->nrpages); - clear_bit(GIF_PAGED, &ip->i_flags); -} - -/** - * gfs2_page_wait - Wait for writeback of data - * @gl: the glock - * - * Syncs data (not metadata) for a regular file. - * No-op for all other types. - */ - -static void gfs2_page_wait(struct gfs2_glock *gl) -{ - struct gfs2_inode *ip = gl->gl_object; - struct inode *inode = &ip->i_inode; - struct address_space *mapping = inode->i_mapping; - int error; - - if (!S_ISREG(ip->i_di.di_mode)) - return; - - error = filemap_fdatawait(mapping); - - /* Put back any errors cleared by filemap_fdatawait() - so they can be caught by someone who can pass them - up to user space. */ - - if (error == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else if (error) - set_bit(AS_EIO, &mapping->flags); - -} - -static void gfs2_page_writeback(struct gfs2_glock *gl) -{ - struct gfs2_inode *ip = gl->gl_object; - struct inode *inode = &ip->i_inode; - struct address_space *mapping = inode->i_mapping; - - if (!S_ISREG(ip->i_di.di_mode)) - return; - - filemap_fdatawrite(mapping); -} - -/** * meta_go_sync - sync out the metadata for this glock * @gl: the glock - * @flags: DIO_* * * Called when demoting or unlocking an EX glock. We must flush * to disk all dirty buffers/pages relating to this glock, and must not * not return to caller to demote/unlock the glock until I/O is complete. */ -static void meta_go_sync(struct gfs2_glock *gl, int flags) +static void meta_go_sync(struct gfs2_glock *gl) { - if (!(flags & DIO_METADATA)) - return; - if (test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) { gfs2_log_flush(gl->gl_sbd, gl); gfs2_meta_sync(gl); - if (flags & DIO_RELEASE) - gfs2_ail_empty_gl(gl); + gfs2_ail_empty_gl(gl); } } @@ -264,31 +195,31 @@ static void inode_go_drop_th(struct gfs2_glock *gl) /** * inode_go_sync - Sync the dirty data and/or metadata for an inode glock * @gl: the glock protecting the inode - * @flags: * */ -static void inode_go_sync(struct gfs2_glock *gl, int flags) +static void inode_go_sync(struct gfs2_glock *gl) { - int meta = (flags & DIO_METADATA); - int data = (flags & DIO_DATA); + struct gfs2_inode *ip = gl->gl_object; + + if (ip && !S_ISREG(ip->i_inode.i_mode)) + ip = NULL; if (test_bit(GLF_DIRTY, &gl->gl_flags)) { - if (meta && data) { - gfs2_page_writeback(gl); - gfs2_log_flush(gl->gl_sbd, gl); - gfs2_meta_sync(gl); - gfs2_page_wait(gl); - clear_bit(GLF_DIRTY, &gl->gl_flags); - } else if (meta) { - gfs2_log_flush(gl->gl_sbd, gl); - gfs2_meta_sync(gl); - } else if (data) { - gfs2_page_writeback(gl); - gfs2_page_wait(gl); + gfs2_log_flush(gl->gl_sbd, gl); + if (ip) + filemap_fdatawrite(ip->i_inode.i_mapping); + gfs2_meta_sync(gl); + if (ip) { + struct address_space *mapping = ip->i_inode.i_mapping; + int error = filemap_fdatawait(mapping); + if (error == -ENOSPC) + set_bit(AS_ENOSPC, &mapping->flags); + else if (error) + set_bit(AS_EIO, &mapping->flags); } - if (flags & DIO_RELEASE) - gfs2_ail_empty_gl(gl); + clear_bit(GLF_DIRTY, &gl->gl_flags); + gfs2_ail_empty_gl(gl); } } @@ -301,15 +232,20 @@ static void inode_go_sync(struct gfs2_glock *gl, int flags) static void inode_go_inval(struct gfs2_glock *gl, int flags) { + struct gfs2_inode *ip = gl->gl_object; int meta = (flags & DIO_METADATA); - int data = (flags & DIO_DATA); if (meta) { gfs2_meta_inval(gl); - gl->gl_vn++; + if (ip) + set_bit(GIF_INVALID, &ip->i_flags); + } + + if (ip && S_ISREG(ip->i_inode.i_mode)) { + truncate_inode_pages(ip->i_inode.i_mapping, 0); + gfs2_assert_withdraw(GFS2_SB(&ip->i_inode), !ip->i_inode.i_mapping->nrpages); + clear_bit(GIF_PAGED, &ip->i_flags); } - if (data) - gfs2_page_inval(gl); } /** @@ -351,11 +287,10 @@ static int inode_go_lock(struct gfs2_holder *gh) if (!ip) return 0; - if (ip->i_vn != gl->gl_vn) { + if (test_bit(GIF_INVALID, &ip->i_flags)) { error = gfs2_inode_refresh(ip); if (error) return error; - gfs2_inode_attr_in(ip); } if ((ip->i_di.di_flags & GFS2_DIF_TRUNC_IN_PROG) && @@ -379,11 +314,8 @@ static void inode_go_unlock(struct gfs2_holder *gh) struct gfs2_glock *gl = gh->gh_gl; struct gfs2_inode *ip = gl->gl_object; - if (ip == NULL) - return; - if (test_bit(GLF_DIRTY, &gl->gl_flags)) - gfs2_inode_attr_in(ip); - gfs2_meta_cache_flush(ip); + if (ip) + gfs2_meta_cache_flush(ip); } /** @@ -491,13 +423,13 @@ static void trans_go_xmote_bh(struct gfs2_glock *gl) struct gfs2_sbd *sdp = gl->gl_sbd; struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode); struct gfs2_glock *j_gl = ip->i_gl; - struct gfs2_log_header head; + struct gfs2_log_header_host head; int error; if (gl->gl_state != LM_ST_UNLOCKED && test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags)) { gfs2_meta_cache_flush(GFS2_I(sdp->sd_jdesc->jd_inode)); - j_gl->gl_ops->go_inval(j_gl, DIO_METADATA | DIO_DATA); + j_gl->gl_ops->go_inval(j_gl, DIO_METADATA); error = gfs2_find_jhead(sdp->sd_jdesc, &head); if (error) diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 118dc693d11..734421edae8 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -14,8 +14,6 @@ #define DIO_WAIT 0x00000010 #define DIO_METADATA 0x00000020 -#define DIO_DATA 0x00000040 -#define DIO_RELEASE 0x00000080 #define DIO_ALL 0x00000100 struct gfs2_log_operations; @@ -41,7 +39,7 @@ struct gfs2_log_operations { void (*lo_before_commit) (struct gfs2_sbd *sdp); void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); void (*lo_before_scan) (struct gfs2_jdesc *jd, - struct gfs2_log_header *head, int pass); + struct gfs2_log_header_host *head, int pass); int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, struct gfs2_log_descriptor *ld, __be64 *ptr, int pass); @@ -67,8 +65,8 @@ struct gfs2_rgrpd { struct list_head rd_list_mru; struct list_head rd_recent; /* Recently used rgrps */ struct gfs2_glock *rd_gl; /* Glock for this rgrp */ - struct gfs2_rindex rd_ri; - struct gfs2_rgrp rd_rg; + struct gfs2_rindex_host rd_ri; + struct gfs2_rgrp_host rd_rg; u64 rd_rg_vn; struct gfs2_bitmap *rd_bits; unsigned int rd_bh_count; @@ -103,18 +101,17 @@ struct gfs2_bufdata { }; struct gfs2_glock_operations { - void (*go_xmote_th) (struct gfs2_glock * gl, unsigned int state, - int flags); - void (*go_xmote_bh) (struct gfs2_glock * gl); - void (*go_drop_th) (struct gfs2_glock * gl); - void (*go_drop_bh) (struct gfs2_glock * gl); - void (*go_sync) (struct gfs2_glock * gl, int flags); - void (*go_inval) (struct gfs2_glock * gl, int flags); - int (*go_demote_ok) (struct gfs2_glock * gl); - int (*go_lock) (struct gfs2_holder * gh); - void (*go_unlock) (struct gfs2_holder * gh); - void (*go_callback) (struct gfs2_glock * gl, unsigned int state); - void (*go_greedy) (struct gfs2_glock * gl); + void (*go_xmote_th) (struct gfs2_glock *gl, unsigned int state, int flags); + void (*go_xmote_bh) (struct gfs2_glock *gl); + void (*go_drop_th) (struct gfs2_glock *gl); + void (*go_drop_bh) (struct gfs2_glock *gl); + void (*go_sync) (struct gfs2_glock *gl); + void (*go_inval) (struct gfs2_glock *gl, int flags); + int (*go_demote_ok) (struct gfs2_glock *gl); + int (*go_lock) (struct gfs2_holder *gh); + void (*go_unlock) (struct gfs2_holder *gh); + void (*go_callback) (struct gfs2_glock *gl, unsigned int state); + void (*go_greedy) (struct gfs2_glock *gl); const int go_type; }; @@ -217,6 +214,7 @@ struct gfs2_alloc { }; enum { + GIF_INVALID = 0, GIF_QD_LOCKED = 1, GIF_PAGED = 2, GIF_SW_PAGED = 3, @@ -224,12 +222,11 @@ enum { struct gfs2_inode { struct inode i_inode; - struct gfs2_inum i_num; + struct gfs2_inum_host i_num; unsigned long i_flags; /* GIF_... */ - u64 i_vn; - struct gfs2_dinode i_di; /* To be replaced by ref to block */ + struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ struct gfs2_glock *i_gl; /* Move into i_gh? */ struct gfs2_holder i_iopen_gh; @@ -450,7 +447,7 @@ struct gfs2_sbd { struct super_block *sd_vfs_meta; struct kobject sd_kobj; unsigned long sd_flags; /* SDF_... */ - struct gfs2_sb sd_sb; + struct gfs2_sb_host sd_sb; /* Constants computed on mount */ @@ -503,8 +500,8 @@ struct gfs2_sbd { spinlock_t sd_statfs_spin; struct mutex sd_statfs_mutex; - struct gfs2_statfs_change sd_statfs_master; - struct gfs2_statfs_change sd_statfs_local; + struct gfs2_statfs_change_host sd_statfs_master; + struct gfs2_statfs_change_host sd_statfs_local; unsigned long sd_statfs_sync_time; /* Resource group stuff */ diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index d470e5286ec..d122074c45e 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -38,83 +38,12 @@ #include "trans.h" #include "util.h" -/** - * gfs2_inode_attr_in - Copy attributes from the dinode into the VFS inode - * @ip: The GFS2 inode (with embedded disk inode data) - * @inode: The Linux VFS inode - * - */ - -void gfs2_inode_attr_in(struct gfs2_inode *ip) -{ - struct inode *inode = &ip->i_inode; - struct gfs2_dinode *di = &ip->i_di; - - inode->i_ino = ip->i_num.no_addr; - - switch (di->di_mode & S_IFMT) { - case S_IFBLK: - case S_IFCHR: - inode->i_rdev = MKDEV(di->di_major, di->di_minor); - break; - default: - inode->i_rdev = 0; - break; - }; - - inode->i_mode = di->di_mode; - inode->i_nlink = di->di_nlink; - inode->i_uid = di->di_uid; - inode->i_gid = di->di_gid; - i_size_write(inode, di->di_size); - inode->i_atime.tv_sec = di->di_atime; - inode->i_mtime.tv_sec = di->di_mtime; - inode->i_ctime.tv_sec = di->di_ctime; - inode->i_atime.tv_nsec = 0; - inode->i_mtime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; - inode->i_blocks = di->di_blocks << - (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); - - if (di->di_flags & GFS2_DIF_IMMUTABLE) - inode->i_flags |= S_IMMUTABLE; - else - inode->i_flags &= ~S_IMMUTABLE; - - if (di->di_flags & GFS2_DIF_APPENDONLY) - inode->i_flags |= S_APPEND; - else - inode->i_flags &= ~S_APPEND; -} - -/** - * gfs2_inode_attr_out - Copy attributes from VFS inode into the dinode - * @ip: The GFS2 inode - * - * Only copy out the attributes that we want the VFS layer - * to be able to modify. - */ - -void gfs2_inode_attr_out(struct gfs2_inode *ip) -{ - struct inode *inode = &ip->i_inode; - struct gfs2_dinode *di = &ip->i_di; - gfs2_assert_withdraw(GFS2_SB(inode), - (di->di_mode & S_IFMT) == (inode->i_mode & S_IFMT)); - di->di_mode = inode->i_mode; - di->di_uid = inode->i_uid; - di->di_gid = inode->i_gid; - di->di_atime = inode->i_atime.tv_sec; - di->di_mtime = inode->i_mtime.tv_sec; - di->di_ctime = inode->i_ctime.tv_sec; -} - static int iget_test(struct inode *inode, void *opaque) { struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_inum *inum = opaque; + struct gfs2_inum_host *inum = opaque; - if (ip && ip->i_num.no_addr == inum->no_addr) + if (ip->i_num.no_addr == inum->no_addr) return 1; return 0; @@ -123,19 +52,20 @@ static int iget_test(struct inode *inode, void *opaque) static int iget_set(struct inode *inode, void *opaque) { struct gfs2_inode *ip = GFS2_I(inode); - struct gfs2_inum *inum = opaque; + struct gfs2_inum_host *inum = opaque; ip->i_num = *inum; + inode->i_ino = inum->no_addr; return 0; } -struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum *inum) +struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum_host *inum) { return ilookup5(sb, (unsigned long)inum->no_formal_ino, iget_test, inum); } -static struct inode *gfs2_iget(struct super_block *sb, struct gfs2_inum *inum) +static struct inode *gfs2_iget(struct super_block *sb, struct gfs2_inum_host *inum) { return iget5_locked(sb, (unsigned long)inum->no_formal_ino, iget_test, iget_set, inum); @@ -150,7 +80,7 @@ static struct inode *gfs2_iget(struct super_block *sb, struct gfs2_inum *inum) * Returns: A VFS inode, or an error */ -struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum *inum, unsigned int type) +struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum_host *inum, unsigned int type) { struct inode *inode = gfs2_iget(sb, inum); struct gfs2_inode *ip = GFS2_I(inode); @@ -188,7 +118,7 @@ struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum *inum, if (unlikely(error)) goto fail_put; - ip->i_vn = ip->i_gl->gl_vn - 1; + set_bit(GIF_INVALID, &ip->i_flags); error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); if (unlikely(error)) goto fail_iopen; @@ -208,6 +138,63 @@ fail: return ERR_PTR(error); } +static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) +{ + struct gfs2_dinode_host *di = &ip->i_di; + const struct gfs2_dinode *str = buf; + + if (ip->i_num.no_addr != be64_to_cpu(str->di_num.no_addr)) { + if (gfs2_consist_inode(ip)) + gfs2_dinode_print(ip); + return -EIO; + } + if (ip->i_num.no_formal_ino != be64_to_cpu(str->di_num.no_formal_ino)) + return -ESTALE; + + ip->i_inode.i_mode = be32_to_cpu(str->di_mode); + ip->i_inode.i_rdev = 0; + switch (ip->i_inode.i_mode & S_IFMT) { + case S_IFBLK: + case S_IFCHR: + ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major), + be32_to_cpu(str->di_minor)); + break; + }; + + ip->i_inode.i_uid = be32_to_cpu(str->di_uid); + ip->i_inode.i_gid = be32_to_cpu(str->di_gid); + /* + * We will need to review setting the nlink count here in the + * light of the forthcoming ro bind mount work. This is a reminder + * to do that. + */ + ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink); + di->di_size = be64_to_cpu(str->di_size); + i_size_write(&ip->i_inode, di->di_size); + di->di_blocks = be64_to_cpu(str->di_blocks); + gfs2_set_inode_blocks(&ip->i_inode); + ip->i_inode.i_atime.tv_sec = be64_to_cpu(str->di_atime); + ip->i_inode.i_atime.tv_nsec = 0; + ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime); + ip->i_inode.i_mtime.tv_nsec = 0; + ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime); + ip->i_inode.i_ctime.tv_nsec = 0; + + di->di_goal_meta = be64_to_cpu(str->di_goal_meta); + di->di_goal_data = be64_to_cpu(str->di_goal_data); + di->di_generation = be64_to_cpu(str->di_generation); + + di->di_flags = be32_to_cpu(str->di_flags); + gfs2_set_inode_flags(&ip->i_inode); + di->di_height = be16_to_cpu(str->di_height); + + di->di_depth = be16_to_cpu(str->di_depth); + di->di_entries = be32_to_cpu(str->di_entries); + + di->di_eattr = be64_to_cpu(str->di_eattr); + return 0; +} + /** * gfs2_inode_refresh - Refresh the incore copy of the dinode * @ip: The GFS2 inode @@ -229,21 +216,11 @@ int gfs2_inode_refresh(struct gfs2_inode *ip) return -EIO; } - gfs2_dinode_in(&ip->i_di, dibh->b_data); - + error = gfs2_dinode_in(ip, dibh->b_data); brelse(dibh); + clear_bit(GIF_INVALID, &ip->i_flags); - if (ip->i_num.no_addr != ip->i_di.di_num.no_addr) { - if (gfs2_consist_inode(ip)) - gfs2_dinode_print(&ip->i_di); - return -EIO; - } - if (ip->i_num.no_formal_ino != ip->i_di.di_num.no_formal_ino) - return -ESTALE; - - ip->i_vn = ip->i_gl->gl_vn; - - return 0; + return error; } int gfs2_dinode_dealloc(struct gfs2_inode *ip) @@ -255,7 +232,7 @@ int gfs2_dinode_dealloc(struct gfs2_inode *ip) if (ip->i_di.di_blocks != 1) { if (gfs2_consist_inode(ip)) - gfs2_dinode_print(&ip->i_di); + gfs2_dinode_print(ip); return -EIO; } @@ -318,14 +295,14 @@ int gfs2_change_nlink(struct gfs2_inode *ip, int diff) u32 nlink; int error; - BUG_ON(ip->i_di.di_nlink != ip->i_inode.i_nlink); - nlink = ip->i_di.di_nlink + diff; + BUG_ON(diff != 1 && diff != -1); + nlink = ip->i_inode.i_nlink + diff; /* If we are reducing the nlink count, but the new value ends up being bigger than the old one, we must have underflowed. */ - if (diff < 0 && nlink > ip->i_di.di_nlink) { + if (diff < 0 && nlink > ip->i_inode.i_nlink) { if (gfs2_consist_inode(ip)) - gfs2_dinode_print(&ip->i_di); + gfs2_dinode_print(ip); return -EIO; } @@ -333,16 +310,19 @@ int gfs2_change_nlink(struct gfs2_inode *ip, int diff) if (error) return error; - ip->i_di.di_nlink = nlink; - ip->i_di.di_ctime = get_seconds(); - ip->i_inode.i_nlink = nlink; + if (diff > 0) + inc_nlink(&ip->i_inode); + else + drop_nlink(&ip->i_inode); + + ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); mark_inode_dirty(&ip->i_inode); - if (ip->i_di.di_nlink == 0) { + if (ip->i_inode.i_nlink == 0) { struct gfs2_rgrpd *rgd; struct gfs2_holder ri_gh, rg_gh; @@ -357,7 +337,6 @@ int gfs2_change_nlink(struct gfs2_inode *ip, int diff) if (error) goto out_norgrp; - clear_nlink(&ip->i_inode); gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */ gfs2_glock_dq_uninit(&rg_gh); out_norgrp: @@ -394,7 +373,7 @@ struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, struct super_block *sb = dir->i_sb; struct gfs2_inode *dip = GFS2_I(dir); struct gfs2_holder d_gh; - struct gfs2_inum inum; + struct gfs2_inum_host inum; unsigned int type; int error = 0; struct inode *inode = NULL; @@ -436,7 +415,7 @@ static int pick_formal_ino_1(struct gfs2_sbd *sdp, u64 *formal_ino) { struct gfs2_inode *ip = GFS2_I(sdp->sd_ir_inode); struct buffer_head *bh; - struct gfs2_inum_range ir; + struct gfs2_inum_range_host ir; int error; error = gfs2_trans_begin(sdp, RES_DINODE, 0); @@ -479,7 +458,7 @@ static int pick_formal_ino_2(struct gfs2_sbd *sdp, u64 *formal_ino) struct gfs2_inode *m_ip = GFS2_I(sdp->sd_inum_inode); struct gfs2_holder gh; struct buffer_head *bh; - struct gfs2_inum_range ir; + struct gfs2_inum_range_host ir; int error; error = gfs2_glock_nq_init(m_ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); @@ -500,21 +479,22 @@ static int pick_formal_ino_2(struct gfs2_sbd *sdp, u64 *formal_ino) if (!ir.ir_length) { struct buffer_head *m_bh; u64 x, y; + __be64 z; error = gfs2_meta_inode_buffer(m_ip, &m_bh); if (error) goto out_brelse; - x = *(u64 *)(m_bh->b_data + sizeof(struct gfs2_dinode)); - x = y = be64_to_cpu(x); + z = *(__be64 *)(m_bh->b_data + sizeof(struct gfs2_dinode)); + x = y = be64_to_cpu(z); ir.ir_start = x; ir.ir_length = GFS2_INUM_QUANTUM; x += GFS2_INUM_QUANTUM; if (x < y) gfs2_consist_inode(m_ip); - x = cpu_to_be64(x); + z = cpu_to_be64(x); gfs2_trans_add_bh(m_ip->i_gl, m_bh, 1); - *(u64 *)(m_bh->b_data + sizeof(struct gfs2_dinode)) = x; + *(__be64 *)(m_bh->b_data + sizeof(struct gfs2_dinode)) = z; brelse(m_bh); } @@ -567,7 +547,7 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name, return error; /* Don't create entries in an unlinked directory */ - if (!dip->i_di.di_nlink) + if (!dip->i_inode.i_nlink) return -EPERM; error = gfs2_dir_search(&dip->i_inode, name, NULL, NULL); @@ -583,7 +563,7 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name, if (dip->i_di.di_entries == (u32)-1) return -EFBIG; - if (S_ISDIR(mode) && dip->i_di.di_nlink == (u32)-1) + if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1) return -EMLINK; return 0; @@ -593,24 +573,24 @@ static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode, unsigned int *uid, unsigned int *gid) { if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir && - (dip->i_di.di_mode & S_ISUID) && dip->i_di.di_uid) { + (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) { if (S_ISDIR(*mode)) *mode |= S_ISUID; - else if (dip->i_di.di_uid != current->fsuid) + else if (dip->i_inode.i_uid != current->fsuid) *mode &= ~07111; - *uid = dip->i_di.di_uid; + *uid = dip->i_inode.i_uid; } else *uid = current->fsuid; - if (dip->i_di.di_mode & S_ISGID) { + if (dip->i_inode.i_mode & S_ISGID) { if (S_ISDIR(*mode)) *mode |= S_ISGID; - *gid = dip->i_di.di_gid; + *gid = dip->i_inode.i_gid; } else *gid = current->fsgid; } -static int alloc_dinode(struct gfs2_inode *dip, struct gfs2_inum *inum, +static int alloc_dinode(struct gfs2_inode *dip, struct gfs2_inum_host *inum, u64 *generation) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); @@ -650,9 +630,9 @@ out: */ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, - const struct gfs2_inum *inum, unsigned int mode, + const struct gfs2_inum_host *inum, unsigned int mode, unsigned int uid, unsigned int gid, - const u64 *generation) + const u64 *generation, dev_t dev) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); struct gfs2_dinode *di; @@ -669,14 +649,15 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, di->di_mode = cpu_to_be32(mode); di->di_uid = cpu_to_be32(uid); di->di_gid = cpu_to_be32(gid); - di->di_nlink = cpu_to_be32(0); - di->di_size = cpu_to_be64(0); + di->di_nlink = 0; + di->di_size = 0; di->di_blocks = cpu_to_be64(1); di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(get_seconds()); - di->di_major = di->di_minor = cpu_to_be32(0); + di->di_major = cpu_to_be32(MAJOR(dev)); + di->di_minor = cpu_to_be32(MINOR(dev)); di->di_goal_meta = di->di_goal_data = cpu_to_be64(inum->no_addr); di->di_generation = cpu_to_be64(*generation); - di->di_flags = cpu_to_be32(0); + di->di_flags = 0; if (S_ISREG(mode)) { if ((dip->i_di.di_flags & GFS2_DIF_INHERIT_JDATA) || @@ -693,22 +674,22 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, } di->__pad1 = 0; - di->di_payload_format = cpu_to_be32(0); - di->di_height = cpu_to_be32(0); + di->di_payload_format = cpu_to_be32(S_ISDIR(mode) ? GFS2_FORMAT_DE : 0); + di->di_height = 0; di->__pad2 = 0; di->__pad3 = 0; - di->di_depth = cpu_to_be16(0); - di->di_entries = cpu_to_be32(0); + di->di_depth = 0; + di->di_entries = 0; memset(&di->__pad4, 0, sizeof(di->__pad4)); - di->di_eattr = cpu_to_be64(0); + di->di_eattr = 0; memset(&di->di_reserved, 0, sizeof(di->di_reserved)); brelse(dibh); } static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, - unsigned int mode, const struct gfs2_inum *inum, - const u64 *generation) + unsigned int mode, const struct gfs2_inum_host *inum, + const u64 *generation, dev_t dev) { struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); unsigned int uid, gid; @@ -729,7 +710,7 @@ static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, if (error) goto out_quota; - init_dinode(dip, gl, inum, mode, uid, gid, generation); + init_dinode(dip, gl, inum, mode, uid, gid, generation, dev); gfs2_quota_change(dip, +1, uid, gid); gfs2_trans_end(sdp); @@ -759,8 +740,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, if (alloc_required < 0) goto fail; if (alloc_required) { - error = gfs2_quota_check(dip, dip->i_di.di_uid, - dip->i_di.di_gid); + error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid); if (error) goto fail_quota_locks; @@ -782,16 +762,16 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, goto fail_quota_locks; } - error = gfs2_dir_add(&dip->i_inode, name, &ip->i_num, IF2DT(ip->i_di.di_mode)); + error = gfs2_dir_add(&dip->i_inode, name, &ip->i_num, IF2DT(ip->i_inode.i_mode)); if (error) goto fail_end_trans; error = gfs2_meta_inode_buffer(ip, &dibh); if (error) goto fail_end_trans; - ip->i_di.di_nlink = 1; + ip->i_inode.i_nlink = 1; gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); return 0; @@ -860,13 +840,13 @@ static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip) */ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, - unsigned int mode) + unsigned int mode, dev_t dev) { struct inode *inode; struct gfs2_inode *dip = ghs->gh_gl->gl_object; struct inode *dir = &dip->i_inode; struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); - struct gfs2_inum inum; + struct gfs2_inum_host inum; int error; u64 generation; @@ -890,35 +870,12 @@ struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, if (error) goto fail_gunlock; - if (inum.no_addr < dip->i_num.no_addr) { - gfs2_glock_dq(ghs); - - error = gfs2_glock_nq_num(sdp, inum.no_addr, - &gfs2_inode_glops, LM_ST_EXCLUSIVE, - GL_SKIP, ghs + 1); - if (error) { - return ERR_PTR(error); - } - - gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, ghs); - error = gfs2_glock_nq(ghs); - if (error) { - gfs2_glock_dq_uninit(ghs + 1); - return ERR_PTR(error); - } - - error = create_ok(dip, name, mode); - if (error) - goto fail_gunlock2; - } else { - error = gfs2_glock_nq_num(sdp, inum.no_addr, - &gfs2_inode_glops, LM_ST_EXCLUSIVE, - GL_SKIP, ghs + 1); - if (error) - goto fail_gunlock; - } + error = gfs2_glock_nq_num(sdp, inum.no_addr, &gfs2_inode_glops, + LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1); + if (error) + goto fail_gunlock; - error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation); + error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev); if (error) goto fail_gunlock2; @@ -975,7 +932,7 @@ int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, if (ip->i_di.di_entries != 2) { if (gfs2_consist_inode(ip)) - gfs2_dinode_print(&ip->i_di); + gfs2_dinode_print(ip); return -EIO; } @@ -997,7 +954,12 @@ int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, if (error) return error; - error = gfs2_change_nlink(ip, -2); + /* It looks odd, but it really should be done twice */ + error = gfs2_change_nlink(ip, -1); + if (error) + return error; + + error = gfs2_change_nlink(ip, -1); if (error) return error; @@ -1018,16 +980,16 @@ int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name, struct gfs2_inode *ip) { - struct gfs2_inum inum; + struct gfs2_inum_host inum; unsigned int type; int error; if (IS_IMMUTABLE(&ip->i_inode) || IS_APPEND(&ip->i_inode)) return -EPERM; - if ((dip->i_di.di_mode & S_ISVTX) && - dip->i_di.di_uid != current->fsuid && - ip->i_di.di_uid != current->fsuid && !capable(CAP_FOWNER)) + if ((dip->i_inode.i_mode & S_ISVTX) && + dip->i_inode.i_uid != current->fsuid && + ip->i_inode.i_uid != current->fsuid && !capable(CAP_FOWNER)) return -EPERM; if (IS_APPEND(&dip->i_inode)) @@ -1044,7 +1006,7 @@ int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name, if (!gfs2_inum_equal(&inum, &ip->i_num)) return -ENOENT; - if (IF2DT(ip->i_di.di_mode) != type) { + if (IF2DT(ip->i_inode.i_mode) != type) { gfs2_consist_inode(dip); return -EIO; } @@ -1194,7 +1156,7 @@ int gfs2_glock_nq_atime(struct gfs2_holder *gh) return 0; curtime = get_seconds(); - if (curtime - ip->i_di.di_atime >= quantum) { + if (curtime - ip->i_inode.i_atime.tv_sec >= quantum) { gfs2_glock_dq(gh); gfs2_holder_reinit(LM_ST_EXCLUSIVE, gh->gh_flags & ~LM_FLAG_ANY, gh); @@ -1206,7 +1168,7 @@ int gfs2_glock_nq_atime(struct gfs2_holder *gh) trying to get exclusive lock. */ curtime = get_seconds(); - if (curtime - ip->i_di.di_atime >= quantum) { + if (curtime - ip->i_inode.i_atime.tv_sec >= quantum) { struct buffer_head *dibh; struct gfs2_dinode *di; @@ -1220,11 +1182,11 @@ int gfs2_glock_nq_atime(struct gfs2_holder *gh) if (error) goto fail_end_trans; - ip->i_di.di_atime = curtime; + ip->i_inode.i_atime.tv_sec = curtime; gfs2_trans_add_bh(ip->i_gl, dibh, 1); di = (struct gfs2_dinode *)dibh->b_data; - di->di_atime = cpu_to_be64(ip->i_di.di_atime); + di->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); brelse(dibh); gfs2_trans_end(sdp); @@ -1249,92 +1211,6 @@ fail: return error; } -/** - * glock_compare_atime - Compare two struct gfs2_glock structures for sort - * @arg_a: the first structure - * @arg_b: the second structure - * - * Returns: 1 if A > B - * -1 if A < B - * 0 if A == B - */ - -static int glock_compare_atime(const void *arg_a, const void *arg_b) -{ - const struct gfs2_holder *gh_a = *(const struct gfs2_holder **)arg_a; - const struct gfs2_holder *gh_b = *(const struct gfs2_holder **)arg_b; - const struct lm_lockname *a = &gh_a->gh_gl->gl_name; - const struct lm_lockname *b = &gh_b->gh_gl->gl_name; - - if (a->ln_number > b->ln_number) - return 1; - if (a->ln_number < b->ln_number) - return -1; - if (gh_a->gh_state == LM_ST_SHARED && gh_b->gh_state == LM_ST_EXCLUSIVE) - return 1; - if (gh_a->gh_state == LM_ST_SHARED && (gh_b->gh_flags & GL_ATIME)) - return 1; - - return 0; -} - -/** - * gfs2_glock_nq_m_atime - acquire multiple glocks where one may need an - * atime update - * @num_gh: the number of structures - * @ghs: an array of struct gfs2_holder structures - * - * Returns: 0 on success (all glocks acquired), - * errno on failure (no glocks acquired) - */ - -int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs) -{ - struct gfs2_holder **p; - unsigned int x; - int error = 0; - - if (!num_gh) - return 0; - - if (num_gh == 1) { - ghs->gh_flags &= ~(LM_FLAG_TRY | GL_ASYNC); - if (ghs->gh_flags & GL_ATIME) - error = gfs2_glock_nq_atime(ghs); - else - error = gfs2_glock_nq(ghs); - return error; - } - - p = kcalloc(num_gh, sizeof(struct gfs2_holder *), GFP_KERNEL); - if (!p) - return -ENOMEM; - - for (x = 0; x < num_gh; x++) - p[x] = &ghs[x]; - - sort(p, num_gh, sizeof(struct gfs2_holder *), glock_compare_atime,NULL); - - for (x = 0; x < num_gh; x++) { - p[x]->gh_flags &= ~(LM_FLAG_TRY | GL_ASYNC); - - if (p[x]->gh_flags & GL_ATIME) - error = gfs2_glock_nq_atime(p[x]); - else - error = gfs2_glock_nq(p[x]); - - if (error) { - while (x--) - gfs2_glock_dq(p[x]); - break; - } - } - - kfree(p); - return error; -} - - static int __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) { @@ -1345,10 +1221,8 @@ __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) if (!error) { error = inode_setattr(&ip->i_inode, attr); gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error); - gfs2_inode_attr_out(ip); - gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } return error; diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h index f5d86176057..b57f448b15b 100644 --- a/fs/gfs2/inode.h +++ b/fs/gfs2/inode.h @@ -22,13 +22,19 @@ static inline int gfs2_is_jdata(struct gfs2_inode *ip) static inline int gfs2_is_dir(struct gfs2_inode *ip) { - return S_ISDIR(ip->i_di.di_mode); + return S_ISDIR(ip->i_inode.i_mode); +} + +static inline void gfs2_set_inode_blocks(struct inode *inode) +{ + struct gfs2_inode *ip = GFS2_I(inode); + inode->i_blocks = ip->i_di.di_blocks << + (GFS2_SB(inode)->sd_sb.sb_bsize_shift - GFS2_BASIC_BLOCK_SHIFT); } void gfs2_inode_attr_in(struct gfs2_inode *ip); -void gfs2_inode_attr_out(struct gfs2_inode *ip); -struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum *inum, unsigned type); -struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum *inum); +struct inode *gfs2_inode_lookup(struct super_block *sb, struct gfs2_inum_host *inum, unsigned type); +struct inode *gfs2_ilookup(struct super_block *sb, struct gfs2_inum_host *inum); int gfs2_inode_refresh(struct gfs2_inode *ip); @@ -37,19 +43,15 @@ int gfs2_change_nlink(struct gfs2_inode *ip, int diff); struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, int is_root, struct nameidata *nd); struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, - unsigned int mode); + unsigned int mode, dev_t dev); int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name, struct gfs2_inode *ip); int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name, struct gfs2_inode *ip); int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to); int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len); - int gfs2_glock_nq_atime(struct gfs2_holder *gh); -int gfs2_glock_nq_m_atime(unsigned int num_gh, struct gfs2_holder *ghs); - int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr); - struct inode *gfs2_lookup_simple(struct inode *dip, const char *name); #endif /* __INODE_DOT_H__ */ diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c index 7365aec9511..3799f19b282 100644 --- a/fs/gfs2/locking/dlm/plock.c +++ b/fs/gfs2/locking/dlm/plock.c @@ -8,6 +8,7 @@ #include <linux/miscdevice.h> #include <linux/lock_dlm_plock.h> +#include <linux/poll.h> #include "lock_dlm.h" diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 0cace3da9db..291415ddfe5 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -15,6 +15,7 @@ #include <linux/gfs2_ondisk.h> #include <linux/crc32.h> #include <linux/lm_interface.h> +#include <linux/delay.h> #include "gfs2.h" #include "incore.h" @@ -142,7 +143,7 @@ static int gfs2_ail1_empty_one(struct gfs2_sbd *sdp, struct gfs2_ail *ai, int fl return list_empty(&ai->ai_ail1_list); } -void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags) +static void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags) { struct list_head *head = &sdp->sd_ail1_list; u64 sync_gen; @@ -261,6 +262,12 @@ static void ail2_empty(struct gfs2_sbd *sdp, unsigned int new_tail) * @sdp: The GFS2 superblock * @blks: The number of blocks to reserve * + * Note that we never give out the last 6 blocks of the journal. Thats + * due to the fact that there is are a small number of header blocks + * associated with each log flush. The exact number can't be known until + * flush time, so we ensure that we have just enough free blocks at all + * times to avoid running out during a log flush. + * * Returns: errno */ @@ -274,7 +281,7 @@ int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks) mutex_lock(&sdp->sd_log_reserve_mutex); gfs2_log_lock(sdp); - while(sdp->sd_log_blks_free <= blks) { + while(sdp->sd_log_blks_free <= (blks + 6)) { gfs2_log_unlock(sdp); gfs2_ail1_empty(sdp, 0); gfs2_log_flush(sdp, NULL); @@ -319,7 +326,8 @@ static u64 log_bmap(struct gfs2_sbd *sdp, unsigned int lbn) bh_map.b_size = 1 << inode->i_blkbits; error = gfs2_block_map(inode, lbn, 0, &bh_map); if (error || !bh_map.b_blocknr) - printk(KERN_INFO "error=%d, dbn=%llu lbn=%u", error, bh_map.b_blocknr, lbn); + printk(KERN_INFO "error=%d, dbn=%llu lbn=%u", error, + (unsigned long long)bh_map.b_blocknr, lbn); gfs2_assert_withdraw(sdp, !error && bh_map.b_blocknr); return bh_map.b_blocknr; @@ -643,12 +651,9 @@ void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr) up_read(&sdp->sd_log_flush_lock); gfs2_log_lock(sdp); - if (sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks)) { - gfs2_log_unlock(sdp); - gfs2_log_flush(sdp, NULL); - } else { - gfs2_log_unlock(sdp); - } + if (sdp->sd_log_num_buf > gfs2_tune_get(sdp, gt_incore_log_blocks)) + wake_up_process(sdp->sd_logd_process); + gfs2_log_unlock(sdp); } /** @@ -686,3 +691,21 @@ void gfs2_log_shutdown(struct gfs2_sbd *sdp) up_write(&sdp->sd_log_flush_lock); } + +/** + * gfs2_meta_syncfs - sync all the buffers in a filesystem + * @sdp: the filesystem + * + */ + +void gfs2_meta_syncfs(struct gfs2_sbd *sdp) +{ + gfs2_log_flush(sdp, NULL); + for (;;) { + gfs2_ail1_start(sdp, DIO_ALL); + if (gfs2_ail1_empty(sdp, DIO_ALL)) + break; + msleep(10); + } +} + diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h index 7f5737d5561..8e7aa0f2910 100644 --- a/fs/gfs2/log.h +++ b/fs/gfs2/log.h @@ -48,7 +48,6 @@ static inline void gfs2_log_pointers_init(struct gfs2_sbd *sdp, unsigned int gfs2_struct2blk(struct gfs2_sbd *sdp, unsigned int nstruct, unsigned int ssize); -void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags); int gfs2_ail1_empty(struct gfs2_sbd *sdp, int flags); int gfs2_log_reserve(struct gfs2_sbd *sdp, unsigned int blks); @@ -61,5 +60,6 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl); void gfs2_log_commit(struct gfs2_sbd *sdp, struct gfs2_trans *trans); void gfs2_log_shutdown(struct gfs2_sbd *sdp); +void gfs2_meta_syncfs(struct gfs2_sbd *sdp); #endif /* __LOG_DOT_H__ */ diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index ab6d1115f95..4d7f94d8c7b 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -182,7 +182,7 @@ static void buf_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai) } static void buf_lo_before_scan(struct gfs2_jdesc *jd, - struct gfs2_log_header *head, int pass) + struct gfs2_log_header_host *head, int pass) { struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); @@ -328,7 +328,7 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp) } static void revoke_lo_before_scan(struct gfs2_jdesc *jd, - struct gfs2_log_header *head, int pass) + struct gfs2_log_header_host *head, int pass) { struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); @@ -509,7 +509,7 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp) { LIST_HEAD(started); struct gfs2_bufdata *bd1 = NULL, *bd2, *bdt; - struct buffer_head *bh = NULL; + struct buffer_head *bh = NULL,*bh1 = NULL; unsigned int offset = sizeof(struct gfs2_log_descriptor); struct gfs2_log_descriptor *ld; unsigned int limit; @@ -537,8 +537,13 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp) list_for_each_entry_safe_continue(bd1, bdt, &sdp->sd_log_le_databuf, bd_le.le_list) { + /* store off the buffer head in a local ptr since + * gfs2_bufdata might change when we drop the log lock + */ + bh1 = bd1->bd_bh; + /* An ordered write buffer */ - if (bd1->bd_bh && !buffer_pinned(bd1->bd_bh)) { + if (bh1 && !buffer_pinned(bh1)) { list_move(&bd1->bd_le.le_list, &started); if (bd1 == bd2) { bd2 = NULL; @@ -547,20 +552,21 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp) bd_le.le_list); } total_dbuf--; - if (bd1->bd_bh) { - get_bh(bd1->bd_bh); - if (buffer_dirty(bd1->bd_bh)) { + if (bh1) { + if (buffer_dirty(bh1)) { + get_bh(bh1); + gfs2_log_unlock(sdp); - wait_on_buffer(bd1->bd_bh); - ll_rw_block(WRITE, 1, - &bd1->bd_bh); + + ll_rw_block(SWRITE, 1, &bh1); + brelse(bh1); + gfs2_log_lock(sdp); } - brelse(bd1->bd_bh); continue; } continue; - } else if (bd1->bd_bh) { /* A journaled buffer */ + } else if (bh1) { /* A journaled buffer */ int magic; gfs2_log_unlock(sdp); if (!bh) { @@ -582,16 +588,16 @@ static void databuf_lo_before_commit(struct gfs2_sbd *sdp) ld->ld_data2 = cpu_to_be32(0); memset(ld->ld_reserved, 0, sizeof(ld->ld_reserved)); } - magic = gfs2_check_magic(bd1->bd_bh); - *ptr++ = cpu_to_be64(bd1->bd_bh->b_blocknr); + magic = gfs2_check_magic(bh1); + *ptr++ = cpu_to_be64(bh1->b_blocknr); *ptr++ = cpu_to_be64((__u64)magic); - clear_buffer_escaped(bd1->bd_bh); + clear_buffer_escaped(bh1); if (unlikely(magic != 0)) - set_buffer_escaped(bd1->bd_bh); + set_buffer_escaped(bh1); gfs2_log_lock(sdp); if (n++ > num) break; - } else if (!bd1->bd_bh) { + } else if (!bh1) { total_dbuf--; sdp->sd_log_num_databuf--; list_del_init(&bd1->bd_le.le_list); diff --git a/fs/gfs2/lops.h b/fs/gfs2/lops.h index 5839c05ae6b..965bc65c7c6 100644 --- a/fs/gfs2/lops.h +++ b/fs/gfs2/lops.h @@ -60,7 +60,7 @@ static inline void lops_after_commit(struct gfs2_sbd *sdp, struct gfs2_ail *ai) } static inline void lops_before_scan(struct gfs2_jdesc *jd, - struct gfs2_log_header *head, + struct gfs2_log_header_host *head, unsigned int pass) { int x; diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index 9889c1eacec..7c1a9e22a52 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -25,7 +25,7 @@ #include "util.h" #include "glock.h" -static void gfs2_init_inode_once(void *foo, kmem_cache_t *cachep, unsigned long flags) +static void gfs2_init_inode_once(void *foo, struct kmem_cache *cachep, unsigned long flags) { struct gfs2_inode *ip = foo; if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == @@ -37,7 +37,7 @@ static void gfs2_init_inode_once(void *foo, kmem_cache_t *cachep, unsigned long } } -static void gfs2_init_glock_once(void *foo, kmem_cache_t *cachep, unsigned long flags) +static void gfs2_init_glock_once(void *foo, struct kmem_cache *cachep, unsigned long flags) { struct gfs2_glock *gl = foo; if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 3912d6a4b1e..0e34d991897 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -127,17 +127,17 @@ void gfs2_meta_sync(struct gfs2_glock *gl) /** * getbuf - Get a buffer with a given address space - * @sdp: the filesystem - * @aspace: the address space + * @gl: the glock * @blkno: the block number (filesystem scope) * @create: 1 if the buffer should be created * * Returns: the buffer */ -static struct buffer_head *getbuf(struct gfs2_sbd *sdp, struct inode *aspace, - u64 blkno, int create) +static struct buffer_head *getbuf(struct gfs2_glock *gl, u64 blkno, int create) { + struct address_space *mapping = gl->gl_aspace->i_mapping; + struct gfs2_sbd *sdp = gl->gl_sbd; struct page *page; struct buffer_head *bh; unsigned int shift; @@ -150,13 +150,13 @@ static struct buffer_head *getbuf(struct gfs2_sbd *sdp, struct inode *aspace, if (create) { for (;;) { - page = grab_cache_page(aspace->i_mapping, index); + page = grab_cache_page(mapping, index); if (page) break; yield(); } } else { - page = find_lock_page(aspace->i_mapping, index); + page = find_lock_page(mapping, index); if (!page) return NULL; } @@ -202,7 +202,7 @@ static void meta_prep_new(struct buffer_head *bh) struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno) { struct buffer_head *bh; - bh = getbuf(gl->gl_sbd, gl->gl_aspace, blkno, CREATE); + bh = getbuf(gl, blkno, CREATE); meta_prep_new(bh); return bh; } @@ -220,7 +220,7 @@ struct buffer_head *gfs2_meta_new(struct gfs2_glock *gl, u64 blkno) int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags, struct buffer_head **bhp) { - *bhp = getbuf(gl->gl_sbd, gl->gl_aspace, blkno, CREATE); + *bhp = getbuf(gl, blkno, CREATE); if (!buffer_uptodate(*bhp)) ll_rw_block(READ_META, 1, bhp); if (flags & DIO_WAIT) { @@ -379,11 +379,10 @@ void gfs2_unpin(struct gfs2_sbd *sdp, struct buffer_head *bh, void gfs2_meta_wipe(struct gfs2_inode *ip, u64 bstart, u32 blen) { struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); - struct inode *aspace = ip->i_gl->gl_aspace; struct buffer_head *bh; while (blen) { - bh = getbuf(sdp, aspace, bstart, NO_CREATE); + bh = getbuf(ip->i_gl, bstart, NO_CREATE); if (bh) { struct gfs2_bufdata *bd = bh->b_private; @@ -472,6 +471,9 @@ int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num, struct buffer_head *bh = NULL, **bh_slot = ip->i_cache + height; int in_cache = 0; + BUG_ON(!gl); + BUG_ON(!sdp); + spin_lock(&ip->i_spin); if (*bh_slot && (*bh_slot)->b_blocknr == num) { bh = *bh_slot; @@ -481,7 +483,7 @@ int gfs2_meta_indirect_buffer(struct gfs2_inode *ip, int height, u64 num, spin_unlock(&ip->i_spin); if (!bh) - bh = getbuf(gl->gl_sbd, gl->gl_aspace, num, CREATE); + bh = getbuf(gl, num, CREATE); if (!bh) return -ENOBUFS; @@ -532,7 +534,6 @@ err: struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) { struct gfs2_sbd *sdp = gl->gl_sbd; - struct inode *aspace = gl->gl_aspace; struct buffer_head *first_bh, *bh; u32 max_ra = gfs2_tune_get(sdp, gt_max_readahead) >> sdp->sd_sb.sb_bsize_shift; @@ -544,7 +545,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) if (extlen > max_ra) extlen = max_ra; - first_bh = getbuf(sdp, aspace, dblock, CREATE); + first_bh = getbuf(gl, dblock, CREATE); if (buffer_uptodate(first_bh)) goto out; @@ -555,7 +556,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) extlen--; while (extlen) { - bh = getbuf(sdp, aspace, dblock, CREATE); + bh = getbuf(gl, dblock, CREATE); if (!buffer_uptodate(bh) && !buffer_locked(bh)) ll_rw_block(READA, 1, &bh); @@ -571,20 +572,3 @@ out: return first_bh; } -/** - * gfs2_meta_syncfs - sync all the buffers in a filesystem - * @sdp: the filesystem - * - */ - -void gfs2_meta_syncfs(struct gfs2_sbd *sdp) -{ - gfs2_log_flush(sdp, NULL); - for (;;) { - gfs2_ail1_start(sdp, DIO_ALL); - if (gfs2_ail1_empty(sdp, DIO_ALL)) - break; - msleep(10); - } -} - diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h index 3ec939e20df..e037425bc04 100644 --- a/fs/gfs2/meta_io.h +++ b/fs/gfs2/meta_io.h @@ -67,7 +67,6 @@ static inline int gfs2_meta_inode_buffer(struct gfs2_inode *ip, } struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen); -void gfs2_meta_syncfs(struct gfs2_sbd *sdp); #define buffer_busy(bh) \ ((bh)->b_state & ((1ul << BH_Dirty) | (1ul << BH_Lock) | (1ul << BH_Pinned))) diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c index 1025960b0e6..f2495f1e21a 100644 --- a/fs/gfs2/ondisk.c +++ b/fs/gfs2/ondisk.c @@ -15,6 +15,8 @@ #include "gfs2.h" #include <linux/gfs2_ondisk.h> +#include <linux/lm_interface.h> +#include "incore.h" #define pv(struct, member, fmt) printk(KERN_INFO " "#member" = "fmt"\n", \ struct->member); @@ -32,7 +34,7 @@ * first arg: the cpu-order structure */ -void gfs2_inum_in(struct gfs2_inum *no, const void *buf) +void gfs2_inum_in(struct gfs2_inum_host *no, const void *buf) { const struct gfs2_inum *str = buf; @@ -40,7 +42,7 @@ void gfs2_inum_in(struct gfs2_inum *no, const void *buf) no->no_addr = be64_to_cpu(str->no_addr); } -void gfs2_inum_out(const struct gfs2_inum *no, void *buf) +void gfs2_inum_out(const struct gfs2_inum_host *no, void *buf) { struct gfs2_inum *str = buf; @@ -48,13 +50,13 @@ void gfs2_inum_out(const struct gfs2_inum *no, void *buf) str->no_addr = cpu_to_be64(no->no_addr); } -static void gfs2_inum_print(const struct gfs2_inum *no) +static void gfs2_inum_print(const struct gfs2_inum_host *no) { printk(KERN_INFO " no_formal_ino = %llu\n", (unsigned long long)no->no_formal_ino); printk(KERN_INFO " no_addr = %llu\n", (unsigned long long)no->no_addr); } -static void gfs2_meta_header_in(struct gfs2_meta_header *mh, const void *buf) +static void gfs2_meta_header_in(struct gfs2_meta_header_host *mh, const void *buf) { const struct gfs2_meta_header *str = buf; @@ -63,23 +65,7 @@ static void gfs2_meta_header_in(struct gfs2_meta_header *mh, const void *buf) mh->mh_format = be32_to_cpu(str->mh_format); } -static void gfs2_meta_header_out(const struct gfs2_meta_header *mh, void *buf) -{ - struct gfs2_meta_header *str = buf; - - str->mh_magic = cpu_to_be32(mh->mh_magic); - str->mh_type = cpu_to_be32(mh->mh_type); - str->mh_format = cpu_to_be32(mh->mh_format); -} - -static void gfs2_meta_header_print(const struct gfs2_meta_header *mh) -{ - pv(mh, mh_magic, "0x%.8X"); - pv(mh, mh_type, "%u"); - pv(mh, mh_format, "%u"); -} - -void gfs2_sb_in(struct gfs2_sb *sb, const void *buf) +void gfs2_sb_in(struct gfs2_sb_host *sb, const void *buf) { const struct gfs2_sb *str = buf; @@ -97,7 +83,7 @@ void gfs2_sb_in(struct gfs2_sb *sb, const void *buf) memcpy(sb->sb_locktable, str->sb_locktable, GFS2_LOCKNAME_LEN); } -void gfs2_rindex_in(struct gfs2_rindex *ri, const void *buf) +void gfs2_rindex_in(struct gfs2_rindex_host *ri, const void *buf) { const struct gfs2_rindex *str = buf; @@ -109,7 +95,7 @@ void gfs2_rindex_in(struct gfs2_rindex *ri, const void *buf) } -void gfs2_rindex_print(const struct gfs2_rindex *ri) +void gfs2_rindex_print(const struct gfs2_rindex_host *ri) { printk(KERN_INFO " ri_addr = %llu\n", (unsigned long long)ri->ri_addr); pv(ri, ri_length, "%u"); @@ -120,22 +106,20 @@ void gfs2_rindex_print(const struct gfs2_rindex *ri) pv(ri, ri_bitbytes, "%u"); } -void gfs2_rgrp_in(struct gfs2_rgrp *rg, const void *buf) +void gfs2_rgrp_in(struct gfs2_rgrp_host *rg, const void *buf) { const struct gfs2_rgrp *str = buf; - gfs2_meta_header_in(&rg->rg_header, buf); rg->rg_flags = be32_to_cpu(str->rg_flags); rg->rg_free = be32_to_cpu(str->rg_free); rg->rg_dinodes = be32_to_cpu(str->rg_dinodes); rg->rg_igeneration = be64_to_cpu(str->rg_igeneration); } -void gfs2_rgrp_out(const struct gfs2_rgrp *rg, void *buf) +void gfs2_rgrp_out(const struct gfs2_rgrp_host *rg, void *buf) { struct gfs2_rgrp *str = buf; - gfs2_meta_header_out(&rg->rg_header, buf); str->rg_flags = cpu_to_be32(rg->rg_flags); str->rg_free = cpu_to_be32(rg->rg_free); str->rg_dinodes = cpu_to_be32(rg->rg_dinodes); @@ -144,7 +128,7 @@ void gfs2_rgrp_out(const struct gfs2_rgrp *rg, void *buf) memset(&str->rg_reserved, 0, sizeof(str->rg_reserved)); } -void gfs2_quota_in(struct gfs2_quota *qu, const void *buf) +void gfs2_quota_in(struct gfs2_quota_host *qu, const void *buf) { const struct gfs2_quota *str = buf; @@ -153,96 +137,56 @@ void gfs2_quota_in(struct gfs2_quota *qu, const void *buf) qu->qu_value = be64_to_cpu(str->qu_value); } -void gfs2_dinode_in(struct gfs2_dinode *di, const void *buf) -{ - const struct gfs2_dinode *str = buf; - - gfs2_meta_header_in(&di->di_header, buf); - gfs2_inum_in(&di->di_num, &str->di_num); - - di->di_mode = be32_to_cpu(str->di_mode); - di->di_uid = be32_to_cpu(str->di_uid); - di->di_gid = be32_to_cpu(str->di_gid); - di->di_nlink = be32_to_cpu(str->di_nlink); - di->di_size = be64_to_cpu(str->di_size); - di->di_blocks = be64_to_cpu(str->di_blocks); - di->di_atime = be64_to_cpu(str->di_atime); - di->di_mtime = be64_to_cpu(str->di_mtime); - di->di_ctime = be64_to_cpu(str->di_ctime); - di->di_major = be32_to_cpu(str->di_major); - di->di_minor = be32_to_cpu(str->di_minor); - - di->di_goal_meta = be64_to_cpu(str->di_goal_meta); - di->di_goal_data = be64_to_cpu(str->di_goal_data); - di->di_generation = be64_to_cpu(str->di_generation); - - di->di_flags = be32_to_cpu(str->di_flags); - di->di_payload_format = be32_to_cpu(str->di_payload_format); - di->di_height = be16_to_cpu(str->di_height); - - di->di_depth = be16_to_cpu(str->di_depth); - di->di_entries = be32_to_cpu(str->di_entries); - - di->di_eattr = be64_to_cpu(str->di_eattr); - -} - -void gfs2_dinode_out(const struct gfs2_dinode *di, void *buf) +void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) { + const struct gfs2_dinode_host *di = &ip->i_di; struct gfs2_dinode *str = buf; - gfs2_meta_header_out(&di->di_header, buf); - gfs2_inum_out(&di->di_num, (char *)&str->di_num); + str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC); + str->di_header.mh_type = cpu_to_be32(GFS2_METATYPE_DI); + str->di_header.__pad0 = 0; + str->di_header.mh_format = cpu_to_be32(GFS2_FORMAT_DI); + str->di_header.__pad1 = 0; - str->di_mode = cpu_to_be32(di->di_mode); - str->di_uid = cpu_to_be32(di->di_uid); - str->di_gid = cpu_to_be32(di->di_gid); - str->di_nlink = cpu_to_be32(di->di_nlink); + gfs2_inum_out(&ip->i_num, &str->di_num); + + str->di_mode = cpu_to_be32(ip->i_inode.i_mode); + str->di_uid = cpu_to_be32(ip->i_inode.i_uid); + str->di_gid = cpu_to_be32(ip->i_inode.i_gid); + str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink); str->di_size = cpu_to_be64(di->di_size); str->di_blocks = cpu_to_be64(di->di_blocks); - str->di_atime = cpu_to_be64(di->di_atime); - str->di_mtime = cpu_to_be64(di->di_mtime); - str->di_ctime = cpu_to_be64(di->di_ctime); - str->di_major = cpu_to_be32(di->di_major); - str->di_minor = cpu_to_be32(di->di_minor); + str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); + str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec); + str->di_ctime = cpu_to_be64(ip->i_inode.i_ctime.tv_sec); str->di_goal_meta = cpu_to_be64(di->di_goal_meta); str->di_goal_data = cpu_to_be64(di->di_goal_data); str->di_generation = cpu_to_be64(di->di_generation); str->di_flags = cpu_to_be32(di->di_flags); - str->di_payload_format = cpu_to_be32(di->di_payload_format); str->di_height = cpu_to_be16(di->di_height); - + str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) && + !(ip->i_di.di_flags & GFS2_DIF_EXHASH) ? + GFS2_FORMAT_DE : 0); str->di_depth = cpu_to_be16(di->di_depth); str->di_entries = cpu_to_be32(di->di_entries); str->di_eattr = cpu_to_be64(di->di_eattr); - } -void gfs2_dinode_print(const struct gfs2_dinode *di) +void gfs2_dinode_print(const struct gfs2_inode *ip) { - gfs2_meta_header_print(&di->di_header); - gfs2_inum_print(&di->di_num); + const struct gfs2_dinode_host *di = &ip->i_di; + + gfs2_inum_print(&ip->i_num); - pv(di, di_mode, "0%o"); - pv(di, di_uid, "%u"); - pv(di, di_gid, "%u"); - pv(di, di_nlink, "%u"); printk(KERN_INFO " di_size = %llu\n", (unsigned long long)di->di_size); printk(KERN_INFO " di_blocks = %llu\n", (unsigned long long)di->di_blocks); - printk(KERN_INFO " di_atime = %lld\n", (long long)di->di_atime); - printk(KERN_INFO " di_mtime = %lld\n", (long long)di->di_mtime); - printk(KERN_INFO " di_ctime = %lld\n", (long long)di->di_ctime); - pv(di, di_major, "%u"); - pv(di, di_minor, "%u"); - printk(KERN_INFO " di_goal_meta = %llu\n", (unsigned long long)di->di_goal_meta); printk(KERN_INFO " di_goal_data = %llu\n", (unsigned long long)di->di_goal_data); pv(di, di_flags, "0x%.8X"); - pv(di, di_payload_format, "%u"); pv(di, di_height, "%u"); pv(di, di_depth, "%u"); @@ -251,7 +195,7 @@ void gfs2_dinode_print(const struct gfs2_dinode *di) printk(KERN_INFO " di_eattr = %llu\n", (unsigned long long)di->di_eattr); } -void gfs2_log_header_in(struct gfs2_log_header *lh, const void *buf) +void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf) { const struct gfs2_log_header *str = buf; @@ -263,7 +207,7 @@ void gfs2_log_header_in(struct gfs2_log_header *lh, const void *buf) lh->lh_hash = be32_to_cpu(str->lh_hash); } -void gfs2_inum_range_in(struct gfs2_inum_range *ir, const void *buf) +void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf) { const struct gfs2_inum_range *str = buf; @@ -271,7 +215,7 @@ void gfs2_inum_range_in(struct gfs2_inum_range *ir, const void *buf) ir->ir_length = be64_to_cpu(str->ir_length); } -void gfs2_inum_range_out(const struct gfs2_inum_range *ir, void *buf) +void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf) { struct gfs2_inum_range *str = buf; @@ -279,7 +223,7 @@ void gfs2_inum_range_out(const struct gfs2_inum_range *ir, void *buf) str->ir_length = cpu_to_be64(ir->ir_length); } -void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, const void *buf) +void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf) { const struct gfs2_statfs_change *str = buf; @@ -288,7 +232,7 @@ void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, const void *buf) sc->sc_dinodes = be64_to_cpu(str->sc_dinodes); } -void gfs2_statfs_change_out(const struct gfs2_statfs_change *sc, void *buf) +void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf) { struct gfs2_statfs_change *str = buf; @@ -297,7 +241,7 @@ void gfs2_statfs_change_out(const struct gfs2_statfs_change *sc, void *buf) str->sc_dinodes = cpu_to_be64(sc->sc_dinodes); } -void gfs2_quota_change_in(struct gfs2_quota_change *qc, const void *buf) +void gfs2_quota_change_in(struct gfs2_quota_change_host *qc, const void *buf) { const struct gfs2_quota_change *str = buf; diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 015640b3f12..d8d69a72a10 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -156,19 +156,6 @@ out_ignore: return 0; } -static int zero_readpage(struct page *page) -{ - void *kaddr; - - kaddr = kmap_atomic(page, KM_USER0); - memset(kaddr, 0, PAGE_CACHE_SIZE); - kunmap_atomic(kaddr, KM_USER0); - - SetPageUptodate(page); - - return 0; -} - /** * stuffed_readpage - Fill in a Linux page with stuffed file data * @ip: the inode @@ -183,9 +170,7 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page) void *kaddr; int error; - /* Only the first page of a stuffed file might contain data */ - if (unlikely(page->index)) - return zero_readpage(page); + BUG_ON(page->index); error = gfs2_meta_inode_buffer(ip, &dibh); if (error) @@ -230,9 +215,9 @@ static int gfs2_readpage(struct file *file, struct page *page) /* gfs2_sharewrite_nopage has grabbed the ip->i_gl already */ goto skip_lock; } - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME|GL_AOP, &gh); + gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME|LM_FLAG_TRY_1CB, &gh); do_unlock = 1; - error = gfs2_glock_nq_m_atime(1, &gh); + error = gfs2_glock_nq_atime(&gh); if (unlikely(error)) goto out_unlock; } @@ -254,6 +239,8 @@ skip_lock: out: return error; out_unlock: + if (error == GLR_TRYFAILED) + error = AOP_TRUNCATED_PAGE; unlock_page(page); if (do_unlock) gfs2_holder_uninit(&gh); @@ -293,9 +280,9 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping, goto skip_lock; } gfs2_holder_init(ip->i_gl, LM_ST_SHARED, - LM_FLAG_TRY_1CB|GL_ATIME|GL_AOP, &gh); + LM_FLAG_TRY_1CB|GL_ATIME, &gh); do_unlock = 1; - ret = gfs2_glock_nq_m_atime(1, &gh); + ret = gfs2_glock_nq_atime(&gh); if (ret == GLR_TRYFAILED) goto out_noerror; if (unlikely(ret)) @@ -366,10 +353,13 @@ static int gfs2_prepare_write(struct file *file, struct page *page, unsigned int write_len = to - from; - gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME|GL_AOP, &ip->i_gh); - error = gfs2_glock_nq_m_atime(1, &ip->i_gh); - if (error) + gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ATIME|LM_FLAG_TRY_1CB, &ip->i_gh); + error = gfs2_glock_nq_atime(&ip->i_gh); + if (unlikely(error)) { + if (error == GLR_TRYFAILED) + error = AOP_TRUNCATED_PAGE; goto out_uninit; + } gfs2_write_calc_reserv(ip, write_len, &data_blocks, &ind_blocks); @@ -386,7 +376,7 @@ static int gfs2_prepare_write(struct file *file, struct page *page, if (error) goto out_alloc_put; - error = gfs2_quota_check(ip, ip->i_di.di_uid, ip->i_di.di_gid); + error = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); if (error) goto out_qunlock; @@ -482,8 +472,10 @@ static int gfs2_commit_write(struct file *file, struct page *page, SetPageUptodate(page); - if (inode->i_size < file_size) + if (inode->i_size < file_size) { i_size_write(inode, file_size); + mark_inode_dirty(inode); + } } else { if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || gfs2_is_jdata(ip)) @@ -498,11 +490,6 @@ static int gfs2_commit_write(struct file *file, struct page *page, di->di_size = cpu_to_be64(inode->i_size); } - di->di_mode = cpu_to_be32(inode->i_mode); - di->di_atime = cpu_to_be64(inode->i_atime.tv_sec); - di->di_mtime = cpu_to_be64(inode->i_mtime.tv_sec); - di->di_ctime = cpu_to_be64(inode->i_ctime.tv_sec); - brelse(dibh); gfs2_trans_end(sdp); if (al->al_requested) { @@ -624,7 +611,7 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, * on this path. All we need change is atime. */ gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh); - rv = gfs2_glock_nq_m_atime(1, &gh); + rv = gfs2_glock_nq_atime(&gh); if (rv) goto out; @@ -737,6 +724,9 @@ int gfs2_releasepage(struct page *page, gfp_t gfp_mask) if (!atomic_read(&aspace->i_writecount)) return 0; + if (!(gfp_mask & __GFP_WAIT)) + return 0; + if (time_after_eq(jiffies, t)) { stuck_releasepage(bh); /* should we withdraw here? */ diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c index 00041b1b802..d355899585d 100644 --- a/fs/gfs2/ops_dentry.c +++ b/fs/gfs2/ops_dentry.c @@ -43,7 +43,7 @@ static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd) struct inode *inode = dentry->d_inode; struct gfs2_holder d_gh; struct gfs2_inode *ip; - struct gfs2_inum inum; + struct gfs2_inum_host inum; unsigned int type; int error; @@ -76,7 +76,7 @@ static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd) if (!gfs2_inum_equal(&ip->i_num, &inum)) goto invalid_gunlock; - if (IF2DT(ip->i_di.di_mode) != type) { + if (IF2DT(ip->i_inode.i_mode) != type) { gfs2_consist_inode(dip); goto fail_gunlock; } diff --git a/fs/gfs2/ops_export.c b/fs/gfs2/ops_export.c index 86127d93bd3..b4e7b877531 100644 --- a/fs/gfs2/ops_export.c +++ b/fs/gfs2/ops_export.c @@ -27,15 +27,16 @@ #include "util.h" static struct dentry *gfs2_decode_fh(struct super_block *sb, - __u32 *fh, + __u32 *p, int fh_len, int fh_type, int (*acceptable)(void *context, struct dentry *dentry), void *context) { + __be32 *fh = (__force __be32 *)p; struct gfs2_fh_obj fh_obj; - struct gfs2_inum *this, parent; + struct gfs2_inum_host *this, parent; if (fh_type != fh_len) return NULL; @@ -65,9 +66,10 @@ static struct dentry *gfs2_decode_fh(struct super_block *sb, acceptable, context); } -static int gfs2_encode_fh(struct dentry *dentry, __u32 *fh, int *len, +static int gfs2_encode_fh(struct dentry *dentry, __u32 *p, int *len, int connectable) { + __be32 *fh = (__force __be32 *)p; struct inode *inode = dentry->d_inode; struct super_block *sb = inode->i_sb; struct gfs2_inode *ip = GFS2_I(inode); @@ -76,14 +78,10 @@ static int gfs2_encode_fh(struct dentry *dentry, __u32 *fh, int *len, (connectable && *len < GFS2_LARGE_FH_SIZE)) return 255; - fh[0] = ip->i_num.no_formal_ino >> 32; - fh[0] = cpu_to_be32(fh[0]); - fh[1] = ip->i_num.no_formal_ino & 0xFFFFFFFF; - fh[1] = cpu_to_be32(fh[1]); - fh[2] = ip->i_num.no_addr >> 32; - fh[2] = cpu_to_be32(fh[2]); - fh[3] = ip->i_num.no_addr & 0xFFFFFFFF; - fh[3] = cpu_to_be32(fh[3]); + fh[0] = cpu_to_be32(ip->i_num.no_formal_ino >> 32); + fh[1] = cpu_to_be32(ip->i_num.no_formal_ino & 0xFFFFFFFF); + fh[2] = cpu_to_be32(ip->i_num.no_addr >> 32); + fh[3] = cpu_to_be32(ip->i_num.no_addr & 0xFFFFFFFF); *len = GFS2_SMALL_FH_SIZE; if (!connectable || inode == sb->s_root->d_inode) @@ -95,14 +93,10 @@ static int gfs2_encode_fh(struct dentry *dentry, __u32 *fh, int *len, igrab(inode); spin_unlock(&dentry->d_lock); - fh[4] = ip->i_num.no_formal_ino >> 32; - fh[4] = cpu_to_be32(fh[4]); - fh[5] = ip->i_num.no_formal_ino & 0xFFFFFFFF; - fh[5] = cpu_to_be32(fh[5]); - fh[6] = ip->i_num.no_addr >> 32; - fh[6] = cpu_to_be32(fh[6]); - fh[7] = ip->i_num.no_addr & 0xFFFFFFFF; - fh[7] = cpu_to_be32(fh[7]); + fh[4] = cpu_to_be32(ip->i_num.no_formal_ino >> 32); + fh[5] = cpu_to_be32(ip->i_num.no_formal_ino & 0xFFFFFFFF); + fh[6] = cpu_to_be32(ip->i_num.no_addr >> 32); + fh[7] = cpu_to_be32(ip->i_num.no_addr & 0xFFFFFFFF); fh[8] = cpu_to_be32(inode->i_mode); fh[9] = 0; /* pad to double word */ @@ -114,12 +108,12 @@ static int gfs2_encode_fh(struct dentry *dentry, __u32 *fh, int *len, } struct get_name_filldir { - struct gfs2_inum inum; + struct gfs2_inum_host inum; char *name; }; static int get_name_filldir(void *opaque, const char *name, unsigned int length, - u64 offset, struct gfs2_inum *inum, + u64 offset, struct gfs2_inum_host *inum, unsigned int type) { struct get_name_filldir *gnfd = (struct get_name_filldir *)opaque; @@ -202,7 +196,7 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb, void *inum_obj) { struct gfs2_sbd *sdp = sb->s_fs_info; struct gfs2_fh_obj *fh_obj = (struct gfs2_fh_obj *)inum_obj; - struct gfs2_inum *inum = &fh_obj->this; + struct gfs2_inum_host *inum = &fh_obj->this; struct gfs2_holder i_gh, ri_gh, rgd_gh; struct gfs2_rgrpd *rgd; struct inode *inode; diff --git a/fs/gfs2/ops_export.h b/fs/gfs2/ops_export.h index 09aca5046fb..f925a955b3b 100644 --- a/fs/gfs2/ops_export.h +++ b/fs/gfs2/ops_export.h @@ -15,7 +15,7 @@ extern struct export_operations gfs2_export_ops; struct gfs2_fh_obj { - struct gfs2_inum this; + struct gfs2_inum_host this; __u32 imode; }; diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c index 3064f133bf3..faa07e4b97d 100644 --- a/fs/gfs2/ops_file.c +++ b/fs/gfs2/ops_file.c @@ -22,6 +22,7 @@ #include <linux/ext2_fs.h> #include <linux/crc32.h> #include <linux/lm_interface.h> +#include <linux/writeback.h> #include <asm/uaccess.h> #include "gfs2.h" @@ -71,7 +72,7 @@ static int gfs2_read_actor(read_descriptor_t *desc, struct page *page, size = count; kaddr = kmap(page); - memcpy(desc->arg.buf, kaddr + offset, size); + memcpy(desc->arg.data, kaddr + offset, size); kunmap(page); desc->count = count - size; @@ -86,7 +87,7 @@ int gfs2_internal_read(struct gfs2_inode *ip, struct file_ra_state *ra_state, struct inode *inode = &ip->i_inode; read_descriptor_t desc; desc.written = 0; - desc.arg.buf = buf; + desc.arg.data = buf; desc.count = size; desc.error = 0; do_generic_mapping_read(inode->i_mapping, ra_state, @@ -139,7 +140,7 @@ static loff_t gfs2_llseek(struct file *file, loff_t offset, int origin) */ static int filldir_func(void *opaque, const char *name, unsigned int length, - u64 offset, struct gfs2_inum *inum, + u64 offset, struct gfs2_inum_host *inum, unsigned int type) { struct filldir_reg *fdr = (struct filldir_reg *)opaque; @@ -246,14 +247,14 @@ static const u32 gfs2_to_fsflags[32] = { static int gfs2_get_flags(struct file *filp, u32 __user *ptr) { - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = filp->f_path.dentry->d_inode; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int error; u32 fsflags; gfs2_holder_init(ip->i_gl, LM_ST_SHARED, GL_ATIME, &gh); - error = gfs2_glock_nq_m_atime(1, &gh); + error = gfs2_glock_nq_atime(&gh); if (error) return error; @@ -266,6 +267,24 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) return error; } +void gfs2_set_inode_flags(struct inode *inode) +{ + struct gfs2_inode *ip = GFS2_I(inode); + struct gfs2_dinode_host *di = &ip->i_di; + unsigned int flags = inode->i_flags; + + flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); + if (di->di_flags & GFS2_DIF_IMMUTABLE) + flags |= S_IMMUTABLE; + if (di->di_flags & GFS2_DIF_APPENDONLY) + flags |= S_APPEND; + if (di->di_flags & GFS2_DIF_NOATIME) + flags |= S_NOATIME; + if (di->di_flags & GFS2_DIF_SYNC) + flags |= S_SYNC; + inode->i_flags = flags; +} + /* Flags that can be set by user space */ #define GFS2_FLAGS_USER_SET (GFS2_DIF_JDATA| \ GFS2_DIF_DIRECTIO| \ @@ -286,7 +305,7 @@ static int gfs2_get_flags(struct file *filp, u32 __user *ptr) */ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) { - struct inode *inode = filp->f_dentry->d_inode; + struct inode *inode = filp->f_path.dentry->d_inode; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_sbd *sdp = GFS2_SB(inode); struct buffer_head *bh; @@ -336,8 +355,9 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) goto out_trans_end; gfs2_trans_add_bh(ip->i_gl, bh, 1); ip->i_di.di_flags = new_flags; - gfs2_dinode_out(&ip->i_di, bh->b_data); + gfs2_dinode_out(ip, bh->b_data); brelse(bh); + gfs2_set_inode_flags(inode); out_trans_end: gfs2_trans_end(sdp); out: @@ -425,7 +445,7 @@ static int gfs2_open(struct inode *inode, struct file *file) gfs2_assert_warn(GFS2_SB(inode), !file->private_data); file->private_data = fp; - if (S_ISREG(ip->i_di.di_mode)) { + if (S_ISREG(ip->i_inode.i_mode)) { error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh); if (error) @@ -484,16 +504,40 @@ static int gfs2_close(struct inode *inode, struct file *file) * @file: the file that points to the dentry (we ignore this) * @dentry: the dentry that points to the inode to sync * + * The VFS will flush "normal" data for us. We only need to worry + * about metadata here. For journaled data, we just do a log flush + * as we can't avoid it. Otherwise we can just bale out if datasync + * is set. For stuffed inodes we must flush the log in order to + * ensure that all data is on disk. + * + * The call to write_inode_now() is there to write back metadata and + * the inode itself. It does also try and write the data, but thats + * (hopefully) a no-op due to the VFS having already called filemap_fdatawrite() + * for us. + * * Returns: errno */ static int gfs2_fsync(struct file *file, struct dentry *dentry, int datasync) { - struct gfs2_inode *ip = GFS2_I(dentry->d_inode); + struct inode *inode = dentry->d_inode; + int sync_state = inode->i_state & (I_DIRTY_SYNC|I_DIRTY_DATASYNC); + int ret = 0; - gfs2_log_flush(ip->i_gl->gl_sbd, ip->i_gl); + if (gfs2_is_jdata(GFS2_I(inode))) { + gfs2_log_flush(GFS2_SB(inode), GFS2_I(inode)->i_gl); + return 0; + } - return 0; + if (sync_state != 0) { + if (!datasync) + ret = write_inode_now(inode, 0); + + if (gfs2_is_stuffed(GFS2_I(inode))) + gfs2_log_flush(GFS2_SB(inode), GFS2_I(inode)->i_gl); + } + + return ret; } /** @@ -515,7 +559,7 @@ static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl) if (!(fl->fl_flags & FL_POSIX)) return -ENOLCK; - if ((ip->i_di.di_mode & (S_ISGID | S_IXGRP)) == S_ISGID) + if ((ip->i_inode.i_mode & (S_ISGID | S_IXGRP)) == S_ISGID) return -ENOLCK; if (sdp->sd_args.ar_localflocks) { @@ -544,7 +588,7 @@ static int do_flock(struct file *file, int cmd, struct file_lock *fl) { struct gfs2_file *fp = file->private_data; struct gfs2_holder *fl_gh = &fp->f_fl_gh; - struct gfs2_inode *ip = GFS2_I(file->f_dentry->d_inode); + struct gfs2_inode *ip = GFS2_I(file->f_path.dentry->d_inode); struct gfs2_glock *gl; unsigned int state; int flags; @@ -617,7 +661,7 @@ static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl) if (!(fl->fl_flags & FL_FLOCK)) return -ENOLCK; - if ((ip->i_di.di_mode & (S_ISGID | S_IXGRP)) == S_ISGID) + if ((ip->i_inode.i_mode & (S_ISGID | S_IXGRP)) == S_ISGID) return -ENOLCK; if (sdp->sd_args.ar_localflocks) diff --git a/fs/gfs2/ops_file.h b/fs/gfs2/ops_file.h index ce319f89ec8..7e5d8ec9c84 100644 --- a/fs/gfs2/ops_file.h +++ b/fs/gfs2/ops_file.h @@ -17,7 +17,7 @@ extern struct file gfs2_internal_file_sentinel; extern int gfs2_internal_read(struct gfs2_inode *ip, struct file_ra_state *ra_state, char *buf, loff_t *pos, unsigned size); - +extern void gfs2_set_inode_flags(struct inode *inode); extern const struct file_operations gfs2_file_fops; extern const struct file_operations gfs2_dir_fops; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 882873a6bd6..ee80b8a5e7b 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -237,7 +237,7 @@ fail: } static struct inode *gfs2_lookup_root(struct super_block *sb, - struct gfs2_inum *inum) + struct gfs2_inum_host *inum) { return gfs2_inode_lookup(sb, inum, DT_DIR); } @@ -246,7 +246,7 @@ static int init_sb(struct gfs2_sbd *sdp, int silent, int undo) { struct super_block *sb = sdp->sd_vfs; struct gfs2_holder sb_gh; - struct gfs2_inum *inum; + struct gfs2_inum_host *inum; struct inode *inode; int error = 0; @@ -867,9 +867,9 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, error = -EBUSY; goto error; } - mutex_lock(&sb->s_bdev->bd_mount_mutex); + down(&sb->s_bdev->bd_mount_sem); new = sget(fs_type, test_bdev_super, set_bdev_super, sb->s_bdev); - mutex_unlock(&sb->s_bdev->bd_mount_mutex); + up(&sb->s_bdev->bd_mount_sem); if (IS_ERR(new)) { error = PTR_ERR(new); goto error; diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c index ef6e5ed70e9..636dda4c7d3 100644 --- a/fs/gfs2/ops_inode.c +++ b/fs/gfs2/ops_inode.c @@ -59,7 +59,7 @@ static int gfs2_create(struct inode *dir, struct dentry *dentry, gfs2_holder_init(dip->i_gl, 0, 0, ghs); for (;;) { - inode = gfs2_createi(ghs, &dentry->d_name, S_IFREG | mode); + inode = gfs2_createi(ghs, &dentry->d_name, S_IFREG | mode, 0); if (!IS_ERR(inode)) { gfs2_trans_end(sdp); if (dip->i_alloc.al_rgd) @@ -144,7 +144,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, int alloc_required; int error; - if (S_ISDIR(ip->i_di.di_mode)) + if (S_ISDIR(inode->i_mode)) return -EPERM; gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs); @@ -169,7 +169,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, } error = -EINVAL; - if (!dip->i_di.di_nlink) + if (!dip->i_inode.i_nlink) goto out_gunlock; error = -EFBIG; if (dip->i_di.di_entries == (u32)-1) @@ -178,10 +178,10 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) goto out_gunlock; error = -EINVAL; - if (!ip->i_di.di_nlink) + if (!ip->i_inode.i_nlink) goto out_gunlock; error = -EMLINK; - if (ip->i_di.di_nlink == (u32)-1) + if (ip->i_inode.i_nlink == (u32)-1) goto out_gunlock; alloc_required = error = gfs2_diradd_alloc_required(dir, &dentry->d_name); @@ -196,8 +196,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, if (error) goto out_alloc; - error = gfs2_quota_check(dip, dip->i_di.di_uid, - dip->i_di.di_gid); + error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid); if (error) goto out_gunlock_q; @@ -220,7 +219,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, } error = gfs2_dir_add(dir, &dentry->d_name, &ip->i_num, - IF2DT(ip->i_di.di_mode)); + IF2DT(inode->i_mode)); if (error) goto out_end_trans; @@ -326,7 +325,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry, gfs2_holder_init(dip->i_gl, 0, 0, ghs); - inode = gfs2_createi(ghs, &dentry->d_name, S_IFLNK | S_IRWXUGO); + inode = gfs2_createi(ghs, &dentry->d_name, S_IFLNK | S_IRWXUGO, 0); if (IS_ERR(inode)) { gfs2_holder_uninit(ghs); return PTR_ERR(inode); @@ -339,7 +338,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry, error = gfs2_meta_inode_buffer(ip, &dibh); if (!gfs2_assert_withdraw(sdp, !error)) { - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); memcpy(dibh->b_data + sizeof(struct gfs2_dinode), symname, size); brelse(dibh); @@ -379,7 +378,7 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) gfs2_holder_init(dip->i_gl, 0, 0, ghs); - inode = gfs2_createi(ghs, &dentry->d_name, S_IFDIR | mode); + inode = gfs2_createi(ghs, &dentry->d_name, S_IFDIR | mode, 0); if (IS_ERR(inode)) { gfs2_holder_uninit(ghs); return PTR_ERR(inode); @@ -387,10 +386,9 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) ip = ghs[1].gh_gl->gl_object; - ip->i_di.di_nlink = 2; + ip->i_inode.i_nlink = 2; ip->i_di.di_size = sdp->sd_sb.sb_bsize - sizeof(struct gfs2_dinode); ip->i_di.di_flags |= GFS2_DIF_JDATA; - ip->i_di.di_payload_format = GFS2_FORMAT_DE; ip->i_di.di_entries = 2; error = gfs2_meta_inode_buffer(ip, &dibh); @@ -414,7 +412,7 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) gfs2_inum_out(&dip->i_num, &dent->de_inum); dent->de_type = cpu_to_be16(DT_DIR); - gfs2_dinode_out(&ip->i_di, di); + gfs2_dinode_out(ip, di); brelse(dibh); } @@ -467,7 +465,7 @@ static int gfs2_rmdir(struct inode *dir, struct dentry *dentry) if (ip->i_di.di_entries < 2) { if (gfs2_consist_inode(ip)) - gfs2_dinode_print(&ip->i_di); + gfs2_dinode_print(ip); error = -EIO; goto out_gunlock; } @@ -504,47 +502,19 @@ out: static int gfs2_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) { - struct gfs2_inode *dip = GFS2_I(dir), *ip; + struct gfs2_inode *dip = GFS2_I(dir); struct gfs2_sbd *sdp = GFS2_SB(dir); struct gfs2_holder ghs[2]; struct inode *inode; - struct buffer_head *dibh; - u32 major = 0, minor = 0; - int error; - - switch (mode & S_IFMT) { - case S_IFBLK: - case S_IFCHR: - major = MAJOR(dev); - minor = MINOR(dev); - break; - case S_IFIFO: - case S_IFSOCK: - break; - default: - return -EOPNOTSUPP; - }; gfs2_holder_init(dip->i_gl, 0, 0, ghs); - inode = gfs2_createi(ghs, &dentry->d_name, mode); + inode = gfs2_createi(ghs, &dentry->d_name, mode, dev); if (IS_ERR(inode)) { gfs2_holder_uninit(ghs); return PTR_ERR(inode); } - ip = ghs[1].gh_gl->gl_object; - - ip->i_di.di_major = major; - ip->i_di.di_minor = minor; - - error = gfs2_meta_inode_buffer(ip, &dibh); - - if (!gfs2_assert_withdraw(sdp, !error)) { - gfs2_dinode_out(&ip->i_di, dibh->b_data); - brelse(dibh); - } - gfs2_trans_end(sdp); if (dip->i_alloc.al_rgd) gfs2_inplace_release(dip); @@ -592,11 +562,10 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, /* Make sure we aren't trying to move a dirctory into it's subdir */ - if (S_ISDIR(ip->i_di.di_mode) && odip != ndip) { + if (S_ISDIR(ip->i_inode.i_mode) && odip != ndip) { dir_rename = 1; - error = gfs2_glock_nq_init(sdp->sd_rename_gl, - LM_ST_EXCLUSIVE, 0, + error = gfs2_glock_nq_init(sdp->sd_rename_gl, LM_ST_EXCLUSIVE, 0, &r_gh); if (error) goto out; @@ -637,10 +606,10 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, if (error) goto out_gunlock; - if (S_ISDIR(nip->i_di.di_mode)) { + if (S_ISDIR(nip->i_inode.i_mode)) { if (nip->i_di.di_entries < 2) { if (gfs2_consist_inode(nip)) - gfs2_dinode_print(&nip->i_di); + gfs2_dinode_print(nip); error = -EIO; goto out_gunlock; } @@ -666,7 +635,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, }; if (odip != ndip) { - if (!ndip->i_di.di_nlink) { + if (!ndip->i_inode.i_nlink) { error = -EINVAL; goto out_gunlock; } @@ -674,8 +643,8 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, error = -EFBIG; goto out_gunlock; } - if (S_ISDIR(ip->i_di.di_mode) && - ndip->i_di.di_nlink == (u32)-1) { + if (S_ISDIR(ip->i_inode.i_mode) && + ndip->i_inode.i_nlink == (u32)-1) { error = -EMLINK; goto out_gunlock; } @@ -702,8 +671,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, if (error) goto out_alloc; - error = gfs2_quota_check(ndip, ndip->i_di.di_uid, - ndip->i_di.di_gid); + error = gfs2_quota_check(ndip, ndip->i_inode.i_uid, ndip->i_inode.i_gid); if (error) goto out_gunlock_q; @@ -729,7 +697,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, /* Remove the target file, if it exists */ if (nip) { - if (S_ISDIR(nip->i_di.di_mode)) + if (S_ISDIR(nip->i_inode.i_mode)) error = gfs2_rmdiri(ndip, &ndentry->d_name, nip); else { error = gfs2_dir_del(ndip, &ndentry->d_name); @@ -760,9 +728,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, error = gfs2_meta_inode_buffer(ip, &dibh); if (error) goto out_end_trans; - ip->i_di.di_ctime = get_seconds(); + ip->i_inode.i_ctime.tv_sec = get_seconds(); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); } @@ -771,7 +739,7 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry, goto out_end_trans; error = gfs2_dir_add(ndir, &ndentry->d_name, &ip->i_num, - IF2DT(ip->i_di.di_mode)); + IF2DT(ip->i_inode.i_mode)); if (error) goto out_end_trans; @@ -867,6 +835,10 @@ static void *gfs2_follow_link(struct dentry *dentry, struct nameidata *nd) * @mask: * @nd: passed from Linux VFS, ignored by us * + * This may be called from the VFS directly, or from within GFS2 with the + * inode locked, so we look to see if the glock is already locked and only + * lock the glock if its not already been done. + * * Returns: errno */ @@ -875,15 +847,18 @@ static int gfs2_permission(struct inode *inode, int mask, struct nameidata *nd) struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder i_gh; int error; + int unlock = 0; - if (ip->i_vn == ip->i_gl->gl_vn) - return generic_permission(inode, mask, gfs2_check_acl); + if (gfs2_glock_is_locked_by_me(ip->i_gl) == 0) { + error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh); + if (error) + return error; + unlock = 1; + } - error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh); - if (!error) { - error = generic_permission(inode, mask, gfs2_check_acl_locked); + error = generic_permission(inode, mask, gfs2_check_acl); + if (unlock) gfs2_glock_dq_uninit(&i_gh); - } return error; } @@ -914,8 +889,8 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) u32 ouid, ogid, nuid, ngid; int error; - ouid = ip->i_di.di_uid; - ogid = ip->i_di.di_gid; + ouid = inode->i_uid; + ogid = inode->i_gid; nuid = attr->ia_uid; ngid = attr->ia_gid; @@ -946,10 +921,9 @@ static int setattr_chown(struct inode *inode, struct iattr *attr) error = inode_setattr(inode, attr); gfs2_assert_warn(sdp, !error); - gfs2_inode_attr_out(ip); gfs2_trans_add_bh(ip->i_gl, dibh, 1); - gfs2_dinode_out(&ip->i_di, dibh->b_data); + gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); if (ouid != NO_QUOTA_CHANGE || ogid != NO_QUOTA_CHANGE) { @@ -1018,6 +992,12 @@ out: * @dentry: The dentry to stat * @stat: The inode's stats * + * This may be called from the VFS directly, or from within GFS2 with the + * inode locked, so we look to see if the glock is already locked and only + * lock the glock if its not already been done. Note that its the NFS + * readdirplus operation which causes this to be called (from filldir) + * with the glock already held. + * * Returns: errno */ @@ -1028,14 +1008,20 @@ static int gfs2_getattr(struct vfsmount *mnt, struct dentry *dentry, struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int error; + int unlock = 0; - error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh); - if (!error) { - generic_fillattr(inode, stat); - gfs2_glock_dq_uninit(&gh); + if (gfs2_glock_is_locked_by_me(ip->i_gl) == 0) { + error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh); + if (error) + return error; + unlock = 1; } - return error; + generic_fillattr(inode, stat); + if (unlock); + gfs2_glock_dq_uninit(&gh); + + return 0; } static int gfs2_setxattr(struct dentry *dentry, const char *name, diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c index b47d9598c04..7685b46f934 100644 --- a/fs/gfs2/ops_super.c +++ b/fs/gfs2/ops_super.c @@ -157,7 +157,8 @@ static void gfs2_write_super(struct super_block *sb) static int gfs2_sync_fs(struct super_block *sb, int wait) { sb->s_dirt = 0; - gfs2_log_flush(sb->s_fs_info, NULL); + if (wait) + gfs2_log_flush(sb->s_fs_info, NULL); return 0; } @@ -215,7 +216,7 @@ static int gfs2_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_inode->i_sb; struct gfs2_sbd *sdp = sb->s_fs_info; - struct gfs2_statfs_change sc; + struct gfs2_statfs_change_host sc; int error; if (gfs2_tune_get(sdp, gt_statfs_slow)) @@ -293,8 +294,6 @@ static void gfs2_clear_inode(struct inode *inode) */ if (inode->i_private) { struct gfs2_inode *ip = GFS2_I(inode); - gfs2_glock_inode_squish(inode); - gfs2_assert(inode->i_sb->s_fs_info, ip->i_gl->gl_state == LM_ST_UNLOCKED); ip->i_gl->gl_object = NULL; gfs2_glock_schedule_for_reclaim(ip->i_gl); gfs2_glock_put(ip->i_gl); @@ -395,7 +394,7 @@ static void gfs2_delete_inode(struct inode *inode) if (!inode->i_private) goto out; - error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &gh); + error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB, &gh); if (unlikely(error)) { gfs2_glock_dq_uninit(&ip->i_iopen_gh); goto out; @@ -407,7 +406,7 @@ static void gfs2_delete_inode(struct inode *inode) if (error) goto out_uninit; - if (S_ISDIR(ip->i_di.di_mode) && + if (S_ISDIR(inode->i_mode) && (ip->i_di.di_flags & GFS2_DIF_EXHASH)) { error = gfs2_dir_exhash_dealloc(ip); if (error) diff --git a/fs/gfs2/ops_vm.c b/fs/gfs2/ops_vm.c index 5453d2947ab..45a5f11fc39 100644 --- a/fs/gfs2/ops_vm.c +++ b/fs/gfs2/ops_vm.c @@ -76,7 +76,7 @@ static int alloc_page_backing(struct gfs2_inode *ip, struct page *page) if (error) goto out; - error = gfs2_quota_check(ip, ip->i_di.di_uid, ip->i_di.di_gid); + error = gfs2_quota_check(ip, ip->i_inode.i_uid, ip->i_inode.i_gid); if (error) goto out_gunlock_q; diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index a3deae7416c..d0db881b55d 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -452,19 +452,19 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF) return 0; - error = qdsb_get(sdp, QUOTA_USER, ip->i_di.di_uid, CREATE, qd); + error = qdsb_get(sdp, QUOTA_USER, ip->i_inode.i_uid, CREATE, qd); if (error) goto out; al->al_qd_num++; qd++; - error = qdsb_get(sdp, QUOTA_GROUP, ip->i_di.di_gid, CREATE, qd); + error = qdsb_get(sdp, QUOTA_GROUP, ip->i_inode.i_gid, CREATE, qd); if (error) goto out; al->al_qd_num++; qd++; - if (uid != NO_QUOTA_CHANGE && uid != ip->i_di.di_uid) { + if (uid != NO_QUOTA_CHANGE && uid != ip->i_inode.i_uid) { error = qdsb_get(sdp, QUOTA_USER, uid, CREATE, qd); if (error) goto out; @@ -472,7 +472,7 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) qd++; } - if (gid != NO_QUOTA_CHANGE && gid != ip->i_di.di_gid) { + if (gid != NO_QUOTA_CHANGE && gid != ip->i_inode.i_gid) { error = qdsb_get(sdp, QUOTA_GROUP, gid, CREATE, qd); if (error) goto out; @@ -539,8 +539,7 @@ static void do_qc(struct gfs2_quota_data *qd, s64 change) qc->qc_id = cpu_to_be32(qd->qd_id); } - x = qc->qc_change; - x = be64_to_cpu(x) + change; + x = be64_to_cpu(qc->qc_change) + change; qc->qc_change = cpu_to_be64(x); spin_lock(&sdp->sd_quota_spin); @@ -743,7 +742,7 @@ static int do_glock(struct gfs2_quota_data *qd, int force_refresh, struct gfs2_sbd *sdp = qd->qd_gl->gl_sbd; struct gfs2_inode *ip = GFS2_I(sdp->sd_quota_inode); struct gfs2_holder i_gh; - struct gfs2_quota q; + struct gfs2_quota_host q; char buf[sizeof(struct gfs2_quota)]; struct file_ra_state ra_state; int error; @@ -1103,7 +1102,7 @@ int gfs2_quota_init(struct gfs2_sbd *sdp) for (y = 0; y < sdp->sd_qc_per_block && slot < sdp->sd_quota_slots; y++, slot++) { - struct gfs2_quota_change qc; + struct gfs2_quota_change_host qc; struct gfs2_quota_data *qd; gfs2_quota_change_in(&qc, bh->b_data + diff --git a/fs/gfs2/recovery.c b/fs/gfs2/recovery.c index 62cd223819b..d0c806b85c8 100644 --- a/fs/gfs2/recovery.c +++ b/fs/gfs2/recovery.c @@ -132,10 +132,11 @@ void gfs2_revoke_clean(struct gfs2_sbd *sdp) */ static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk, - struct gfs2_log_header *head) + struct gfs2_log_header_host *head) { struct buffer_head *bh; - struct gfs2_log_header lh; + struct gfs2_log_header_host lh; + const u32 nothing = 0; u32 hash; int error; @@ -143,11 +144,11 @@ static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk, if (error) return error; - memcpy(&lh, bh->b_data, sizeof(struct gfs2_log_header)); - lh.lh_hash = 0; - hash = gfs2_disk_hash((char *)&lh, sizeof(struct gfs2_log_header)); + hash = crc32_le((u32)~0, bh->b_data, sizeof(struct gfs2_log_header) - + sizeof(u32)); + hash = crc32_le(hash, (unsigned char const *)¬hing, sizeof(nothing)); + hash ^= (u32)~0; gfs2_log_header_in(&lh, bh->b_data); - brelse(bh); if (lh.lh_header.mh_magic != GFS2_MAGIC || @@ -174,7 +175,7 @@ static int get_log_header(struct gfs2_jdesc *jd, unsigned int blk, */ static int find_good_lh(struct gfs2_jdesc *jd, unsigned int *blk, - struct gfs2_log_header *head) + struct gfs2_log_header_host *head) { unsigned int orig_blk = *blk; int error; @@ -205,10 +206,10 @@ static int find_good_lh(struct gfs2_jdesc *jd, unsigned int *blk, * Returns: errno */ -static int jhead_scan(struct gfs2_jdesc *jd, struct gfs2_log_header *head) +static int jhead_scan(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head) { unsigned int blk = head->lh_blkno; - struct gfs2_log_header lh; + struct gfs2_log_header_host lh; int error; for (;;) { @@ -245,9 +246,9 @@ static int jhead_scan(struct gfs2_jdesc *jd, struct gfs2_log_header *head) * Returns: errno */ -int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header *head) +int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head) { - struct gfs2_log_header lh_1, lh_m; + struct gfs2_log_header_host lh_1, lh_m; u32 blk_1, blk_2, blk_m; int error; @@ -320,7 +321,7 @@ static int foreach_descriptor(struct gfs2_jdesc *jd, unsigned int start, length = be32_to_cpu(ld->ld_length); if (be32_to_cpu(ld->ld_header.mh_type) == GFS2_METATYPE_LH) { - struct gfs2_log_header lh; + struct gfs2_log_header_host lh; error = get_log_header(jd, start, &lh); if (!error) { gfs2_replay_incr_blk(sdp, &start); @@ -363,7 +364,7 @@ static int foreach_descriptor(struct gfs2_jdesc *jd, unsigned int start, * Returns: errno */ -static int clean_journal(struct gfs2_jdesc *jd, struct gfs2_log_header *head) +static int clean_journal(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head) { struct gfs2_inode *ip = GFS2_I(jd->jd_inode); struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); @@ -425,7 +426,7 @@ int gfs2_recover_journal(struct gfs2_jdesc *jd) { struct gfs2_inode *ip = GFS2_I(jd->jd_inode); struct gfs2_sbd *sdp = GFS2_SB(jd->jd_inode); - struct gfs2_log_header head; + struct gfs2_log_header_host head; struct gfs2_holder j_gh, ji_gh, t_gh; unsigned long t; int ro = 0; diff --git a/fs/gfs2/recovery.h b/fs/gfs2/recovery.h index 961feedf4d8..f7235e61c72 100644 --- a/fs/gfs2/recovery.h +++ b/fs/gfs2/recovery.h @@ -26,7 +26,7 @@ int gfs2_revoke_check(struct gfs2_sbd *sdp, u64 blkno, unsigned int where); void gfs2_revoke_clean(struct gfs2_sbd *sdp); int gfs2_find_jhead(struct gfs2_jdesc *jd, - struct gfs2_log_header *head); + struct gfs2_log_header_host *head); int gfs2_recover_journal(struct gfs2_jdesc *gfs2_jd); void gfs2_check_journals(struct gfs2_sbd *sdp); diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index b261385c006..ff0846528d5 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -253,7 +253,7 @@ void gfs2_rgrp_verify(struct gfs2_rgrpd *rgd) } -static inline int rgrp_contains_block(struct gfs2_rindex *ri, u64 block) +static inline int rgrp_contains_block(struct gfs2_rindex_host *ri, u64 block) { u64 first = ri->ri_data0; u64 last = first + ri->ri_data; @@ -1217,7 +1217,7 @@ u64 gfs2_alloc_data(struct gfs2_inode *ip) al->al_alloced++; gfs2_statfs_change(sdp, 0, -1, 0); - gfs2_quota_change(ip, +1, ip->i_di.di_uid, ip->i_di.di_gid); + gfs2_quota_change(ip, +1, ip->i_inode.i_uid, ip->i_inode.i_gid); spin_lock(&sdp->sd_rindex_spin); rgd->rd_free_clone--; @@ -1261,7 +1261,7 @@ u64 gfs2_alloc_meta(struct gfs2_inode *ip) al->al_alloced++; gfs2_statfs_change(sdp, 0, -1, 0); - gfs2_quota_change(ip, +1, ip->i_di.di_uid, ip->i_di.di_gid); + gfs2_quota_change(ip, +1, ip->i_inode.i_uid, ip->i_inode.i_gid); gfs2_trans_add_unrevoke(sdp, block); spin_lock(&sdp->sd_rindex_spin); @@ -1337,8 +1337,7 @@ void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen) gfs2_trans_add_rg(rgd); gfs2_statfs_change(sdp, 0, +blen, 0); - gfs2_quota_change(ip, -(s64)blen, - ip->i_di.di_uid, ip->i_di.di_gid); + gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid); } /** @@ -1366,7 +1365,7 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen) gfs2_trans_add_rg(rgd); gfs2_statfs_change(sdp, 0, +blen, 0); - gfs2_quota_change(ip, -(s64)blen, ip->i_di.di_uid, ip->i_di.di_gid); + gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid); gfs2_meta_wipe(ip, bstart, blen); } @@ -1411,7 +1410,7 @@ static void gfs2_free_uninit_di(struct gfs2_rgrpd *rgd, u64 blkno) void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip) { gfs2_free_uninit_di(rgd, ip->i_num.no_addr); - gfs2_quota_change(ip, -1, ip->i_di.di_uid, ip->i_di.di_gid); + gfs2_quota_change(ip, -1, ip->i_inode.i_uid, ip->i_inode.i_gid); gfs2_meta_wipe(ip, ip->i_num.no_addr, 1); } diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 6a78b1b32e2..43a24f2e590 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -97,7 +97,7 @@ void gfs2_tune_init(struct gfs2_tune *gt) * changed. */ -int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb *sb, int silent) +int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent) { unsigned int x; @@ -180,6 +180,24 @@ static int end_bio_io_page(struct bio *bio, unsigned int bytes_done, int error) return 0; } +/** + * gfs2_read_super - Read the gfs2 super block from disk + * @sb: The VFS super block + * @sector: The location of the super block + * + * This uses the bio functions to read the super block from disk + * because we want to be 100% sure that we never read cached data. + * A super block is read twice only during each GFS2 mount and is + * never written to by the filesystem. The first time its read no + * locks are held, and the only details which are looked at are those + * relating to the locking protocol. Once locking is up and working, + * the sb is read again under the lock to establish the location of + * the master directory (contains pointers to journals etc) and the + * root directory. + * + * Returns: A page containing the sb or NULL + */ + struct page *gfs2_read_super(struct super_block *sb, sector_t sector) { struct page *page; @@ -199,7 +217,7 @@ struct page *gfs2_read_super(struct super_block *sb, sector_t sector) return NULL; } - bio->bi_sector = sector; + bio->bi_sector = sector * (sb->s_blocksize >> 9); bio->bi_bdev = sb->s_bdev; bio_add_page(bio, page, PAGE_SIZE, 0); @@ -508,7 +526,7 @@ int gfs2_make_fs_rw(struct gfs2_sbd *sdp) struct gfs2_inode *ip = GFS2_I(sdp->sd_jdesc->jd_inode); struct gfs2_glock *j_gl = ip->i_gl; struct gfs2_holder t_gh; - struct gfs2_log_header head; + struct gfs2_log_header_host head; int error; error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED, @@ -517,7 +535,7 @@ int gfs2_make_fs_rw(struct gfs2_sbd *sdp) return error; gfs2_meta_cache_flush(ip); - j_gl->gl_ops->go_inval(j_gl, DIO_METADATA | DIO_DATA); + j_gl->gl_ops->go_inval(j_gl, DIO_METADATA); error = gfs2_find_jhead(sdp->sd_jdesc, &head); if (error) @@ -587,9 +605,9 @@ int gfs2_make_fs_ro(struct gfs2_sbd *sdp) int gfs2_statfs_init(struct gfs2_sbd *sdp) { struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode); - struct gfs2_statfs_change *m_sc = &sdp->sd_statfs_master; + struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode); - struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local; + struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; struct buffer_head *m_bh, *l_bh; struct gfs2_holder gh; int error; @@ -634,7 +652,7 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free, s64 dinodes) { struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode); - struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local; + struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; struct buffer_head *l_bh; int error; @@ -660,8 +678,8 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp) { struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode); struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode); - struct gfs2_statfs_change *m_sc = &sdp->sd_statfs_master; - struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local; + struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; + struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; struct gfs2_holder gh; struct buffer_head *m_bh, *l_bh; int error; @@ -727,10 +745,10 @@ out: * Returns: errno */ -int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc) +int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) { - struct gfs2_statfs_change *m_sc = &sdp->sd_statfs_master; - struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local; + struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master; + struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local; spin_lock(&sdp->sd_statfs_spin); @@ -760,7 +778,7 @@ int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc) */ static int statfs_slow_fill(struct gfs2_rgrpd *rgd, - struct gfs2_statfs_change *sc) + struct gfs2_statfs_change_host *sc) { gfs2_rgrp_verify(rgd); sc->sc_total += rgd->rd_ri.ri_data; @@ -782,7 +800,7 @@ static int statfs_slow_fill(struct gfs2_rgrpd *rgd, * Returns: errno */ -int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc) +int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc) { struct gfs2_holder ri_gh; struct gfs2_rgrpd *rgd_next; @@ -792,7 +810,7 @@ int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc) int done; int error = 0, err; - memset(sc, 0, sizeof(struct gfs2_statfs_change)); + memset(sc, 0, sizeof(struct gfs2_statfs_change_host)); gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL); if (!gha) return -ENOMEM; @@ -873,7 +891,7 @@ static int gfs2_lock_fs_check_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd; struct lfcc *lfcc; LIST_HEAD(list); - struct gfs2_log_header lh; + struct gfs2_log_header_host lh; int error; error = gfs2_jindex_hold(sdp, &ji_gh); diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h index 5bb443ae0f5..e590b2df11d 100644 --- a/fs/gfs2/super.h +++ b/fs/gfs2/super.h @@ -14,7 +14,7 @@ void gfs2_tune_init(struct gfs2_tune *gt); -int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb *sb, int silent); +int gfs2_check_sb(struct gfs2_sbd *sdp, struct gfs2_sb_host *sb, int silent); int gfs2_read_sb(struct gfs2_sbd *sdp, struct gfs2_glock *gl, int silent); struct page *gfs2_read_super(struct super_block *sb, sector_t sector); @@ -45,8 +45,8 @@ int gfs2_statfs_init(struct gfs2_sbd *sdp); void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free, s64 dinodes); int gfs2_statfs_sync(struct gfs2_sbd *sdp); -int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc); -int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc); +int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); +int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc); int gfs2_freeze_fs(struct gfs2_sbd *sdp); void gfs2_unfreeze_fs(struct gfs2_sbd *sdp); diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c index 0e0ec988f73..983eaf1e06b 100644 --- a/fs/gfs2/sys.c +++ b/fs/gfs2/sys.c @@ -426,9 +426,6 @@ static ssize_t name##_store(struct gfs2_sbd *sdp, const char *buf, size_t len)\ } \ TUNE_ATTR_2(name, name##_store) -TUNE_ATTR(ilimit, 0); -TUNE_ATTR(ilimit_tries, 0); -TUNE_ATTR(ilimit_min, 0); TUNE_ATTR(demote_secs, 0); TUNE_ATTR(incore_log_blocks, 0); TUNE_ATTR(log_flush_secs, 0); @@ -447,7 +444,6 @@ TUNE_ATTR(quota_simul_sync, 1); TUNE_ATTR(quota_cache_secs, 1); TUNE_ATTR(max_atomic_write, 1); TUNE_ATTR(stall_secs, 1); -TUNE_ATTR(entries_per_readdir, 1); TUNE_ATTR(greedy_default, 1); TUNE_ATTR(greedy_quantum, 1); TUNE_ATTR(greedy_max, 1); @@ -459,9 +455,6 @@ TUNE_ATTR_DAEMON(quotad_secs, quotad_process); TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store); static struct attribute *tune_attrs[] = { - &tune_attr_ilimit.attr, - &tune_attr_ilimit_tries.attr, - &tune_attr_ilimit_min.attr, &tune_attr_demote_secs.attr, &tune_attr_incore_log_blocks.attr, &tune_attr_log_flush_secs.attr, @@ -478,7 +471,6 @@ static struct attribute *tune_attrs[] = { &tune_attr_quota_cache_secs.attr, &tune_attr_max_atomic_write.attr, &tune_attr_stall_secs.attr, - &tune_attr_entries_per_readdir.attr, &tune_attr_greedy_default.attr, &tune_attr_greedy_quantum.attr, &tune_attr_greedy_max.attr, diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c index 196c604faad..e5707a9f78c 100644 --- a/fs/gfs2/util.c +++ b/fs/gfs2/util.c @@ -23,9 +23,9 @@ #include "lm.h" #include "util.h" -kmem_cache_t *gfs2_glock_cachep __read_mostly; -kmem_cache_t *gfs2_inode_cachep __read_mostly; -kmem_cache_t *gfs2_bufdata_cachep __read_mostly; +struct kmem_cache *gfs2_glock_cachep __read_mostly; +struct kmem_cache *gfs2_inode_cachep __read_mostly; +struct kmem_cache *gfs2_bufdata_cachep __read_mostly; void gfs2_assert_i(struct gfs2_sbd *sdp) { diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index 76a50899fe9..28938a46cf4 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -83,8 +83,7 @@ static inline int gfs2_meta_check_i(struct gfs2_sbd *sdp, char *file, unsigned int line) { struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; - u32 magic = mh->mh_magic; - magic = be32_to_cpu(magic); + u32 magic = be32_to_cpu(mh->mh_magic); if (unlikely(magic != GFS2_MAGIC)) return gfs2_meta_check_ii(sdp, bh, "magic number", function, file, line); @@ -107,9 +106,8 @@ static inline int gfs2_metatype_check_i(struct gfs2_sbd *sdp, char *file, unsigned int line) { struct gfs2_meta_header *mh = (struct gfs2_meta_header *)bh->b_data; - u32 magic = mh->mh_magic; + u32 magic = be32_to_cpu(mh->mh_magic); u16 t = be32_to_cpu(mh->mh_type); - magic = be32_to_cpu(magic); if (unlikely(magic != GFS2_MAGIC)) return gfs2_meta_check_ii(sdp, bh, "magic number", function, file, line); @@ -146,9 +144,9 @@ int gfs2_io_error_bh_i(struct gfs2_sbd *sdp, struct buffer_head *bh, gfs2_io_error_bh_i((sdp), (bh), __FUNCTION__, __FILE__, __LINE__); -extern kmem_cache_t *gfs2_glock_cachep; -extern kmem_cache_t *gfs2_inode_cachep; -extern kmem_cache_t *gfs2_bufdata_cachep; +extern struct kmem_cache *gfs2_glock_cachep; +extern struct kmem_cache *gfs2_inode_cachep; +extern struct kmem_cache *gfs2_bufdata_cachep; static inline unsigned int gfs2_tune_get_i(struct gfs2_tune *gt, unsigned int *p) |