diff options
45 files changed, 609 insertions, 1104 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 4a1cfca4968..8c680920561 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4876,7 +4876,8 @@ S: Supported XFS FILESYSTEM P: Silicon Graphics Inc -P: Bill O'Donnell +P: Felix Blyakher +M: felixb@sgi.com M: xfs-masters@oss.sgi.com L: xfs@oss.sgi.com W: http://oss.sgi.com/projects/xfs diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile index c3dc491fff8..60f107e47fe 100644 --- a/fs/xfs/Makefile +++ b/fs/xfs/Makefile @@ -33,6 +33,7 @@ xfs-$(CONFIG_XFS_QUOTA) += $(addprefix quota/, \ xfs_qm_syscalls.o \ xfs_qm_bhv.o \ xfs_qm.o) +xfs-$(CONFIG_XFS_QUOTA) += linux-2.6/xfs_quotaops.o ifeq ($(CONFIG_XFS_QUOTA),y) xfs-$(CONFIG_PROC_FS) += quota/xfs_qm_stats.o diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 4bd112313f3..d0b499418a7 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -34,6 +34,7 @@ #include "xfs_dir2_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" +#include "xfs_ioctl.h" #include "xfs_btree.h" #include "xfs_ialloc.h" #include "xfs_rtalloc.h" @@ -78,92 +79,74 @@ xfs_find_handle( int hsize; xfs_handle_t handle; struct inode *inode; + struct file *file = NULL; + struct path path; + int error; + struct xfs_inode *ip; - memset((char *)&handle, 0, sizeof(handle)); - - switch (cmd) { - case XFS_IOC_PATH_TO_FSHANDLE: - case XFS_IOC_PATH_TO_HANDLE: { - struct path path; - int error = user_lpath((const char __user *)hreq->path, &path); + if (cmd == XFS_IOC_FD_TO_HANDLE) { + file = fget(hreq->fd); + if (!file) + return -EBADF; + inode = file->f_path.dentry->d_inode; + } else { + error = user_lpath((const char __user *)hreq->path, &path); if (error) return error; - - ASSERT(path.dentry); - ASSERT(path.dentry->d_inode); - inode = igrab(path.dentry->d_inode); - path_put(&path); - break; + inode = path.dentry->d_inode; } + ip = XFS_I(inode); - case XFS_IOC_FD_TO_HANDLE: { - struct file *file; - - file = fget(hreq->fd); - if (!file) - return -EBADF; + /* + * We can only generate handles for inodes residing on a XFS filesystem, + * and only for regular files, directories or symbolic links. + */ + error = -EINVAL; + if (inode->i_sb->s_magic != XFS_SB_MAGIC) + goto out_put; - ASSERT(file->f_path.dentry); - ASSERT(file->f_path.dentry->d_inode); - inode = igrab(file->f_path.dentry->d_inode); - fput(file); - break; - } + error = -EBADF; + if (!S_ISREG(inode->i_mode) && + !S_ISDIR(inode->i_mode) && + !S_ISLNK(inode->i_mode)) + goto out_put; - default: - ASSERT(0); - return -XFS_ERROR(EINVAL); - } - if (inode->i_sb->s_magic != XFS_SB_MAGIC) { - /* we're not in XFS anymore, Toto */ - iput(inode); - return -XFS_ERROR(EINVAL); - } + memcpy(&handle.ha_fsid, ip->i_mount->m_fixedfsid, sizeof(xfs_fsid_t)); - switch (inode->i_mode & S_IFMT) { - case S_IFREG: - case S_IFDIR: - case S_IFLNK: - break; - default: - iput(inode); - return -XFS_ERROR(EBADF); - } - - /* now we can grab the fsid */ - memcpy(&handle.ha_fsid, XFS_I(inode)->i_mount->m_fixedfsid, - sizeof(xfs_fsid_t)); - hsize = sizeof(xfs_fsid_t); - - if (cmd != XFS_IOC_PATH_TO_FSHANDLE) { - xfs_inode_t *ip = XFS_I(inode); + if (cmd == XFS_IOC_PATH_TO_FSHANDLE) { + /* + * This handle only contains an fsid, zero the rest. + */ + memset(&handle.ha_fid, 0, sizeof(handle.ha_fid)); + hsize = sizeof(xfs_fsid_t); + } else { int lock_mode; - /* need to get access to the xfs_inode to read the generation */ lock_mode = xfs_ilock_map_shared(ip); - - /* fill in fid section of handle from inode */ handle.ha_fid.fid_len = sizeof(xfs_fid_t) - sizeof(handle.ha_fid.fid_len); handle.ha_fid.fid_pad = 0; handle.ha_fid.fid_gen = ip->i_d.di_gen; handle.ha_fid.fid_ino = ip->i_ino; - xfs_iunlock_map_shared(ip, lock_mode); hsize = XFS_HSIZE(handle); } - /* now copy our handle into the user buffer & write out the size */ + error = -EFAULT; if (copy_to_user(hreq->ohandle, &handle, hsize) || - copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) { - iput(inode); - return -XFS_ERROR(EFAULT); - } + copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) + goto out_put; - iput(inode); - return 0; + error = 0; + + out_put: + if (cmd == XFS_IOC_FD_TO_HANDLE) + fput(file); + else + path_put(&path); + return error; } /* diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c index 7aa53fefc67..e103b05dc77 100644 --- a/fs/xfs/linux-2.6/xfs_iops.c +++ b/fs/xfs/linux-2.6/xfs_iops.c @@ -211,8 +211,13 @@ xfs_vn_mknod( * Irix uses Missed'em'V split, but doesn't want to see * the upper 5 bits of (14bit) major. */ - if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff)) - return -EINVAL; + if (S_ISCHR(mode) || S_ISBLK(mode)) { + if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff)) + return -EINVAL; + rdev = sysv_encode_dev(rdev); + } else { + rdev = 0; + } if (test_default_acl && test_default_acl(dir)) { if (!_ACL_ALLOC(default_acl)) { @@ -224,28 +229,11 @@ xfs_vn_mknod( } } - xfs_dentry_to_name(&name, dentry); - if (IS_POSIXACL(dir) && !default_acl) mode &= ~current->fs->umask; - switch (mode & S_IFMT) { - case S_IFCHR: - case S_IFBLK: - case S_IFIFO: - case S_IFSOCK: - rdev = sysv_encode_dev(rdev); - case S_IFREG: - error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL); - break; - case S_IFDIR: - error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL); - break; - default: - error = EINVAL; - break; - } - + xfs_dentry_to_name(&name, dentry); + error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL); if (unlikely(error)) goto out_free_acl; diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h index 507492d6dcc..fc8d776ba05 100644 --- a/fs/xfs/linux-2.6/xfs_linux.h +++ b/fs/xfs/linux-2.6/xfs_linux.h @@ -147,17 +147,6 @@ #define SYNCHRONIZE() barrier() #define __return_address __builtin_return_address(0) -/* - * IRIX (BSD) quotactl makes use of separate commands for user/group, - * whereas on Linux the syscall encodes this information into the cmd - * field (see the QCMD macro in quota.h). These macros help keep the - * code portable - they are not visible from the syscall interface. - */ -#define Q_XSETGQLIM XQM_CMD(8) /* set groups disk limits */ -#define Q_XGETGQUOTA XQM_CMD(9) /* get groups disk limits */ -#define Q_XSETPQLIM XQM_CMD(10) /* set projects disk limits */ -#define Q_XGETPQUOTA XQM_CMD(11) /* get projects disk limits */ - #define dfltprid 0 #define MAXPATHLEN 1024 diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c new file mode 100644 index 00000000000..94d9a633d3d --- /dev/null +++ b/fs/xfs/linux-2.6/xfs_quotaops.c @@ -0,0 +1,157 @@ +/* + * Copyright (c) 2008, Christoph Hellwig + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include "xfs.h" +#include "xfs_dmapi.h" +#include "xfs_sb.h" +#include "xfs_inum.h" +#include "xfs_ag.h" +#include "xfs_mount.h" +#include "xfs_quota.h" +#include "xfs_log.h" +#include "xfs_trans.h" +#include "xfs_bmap_btree.h" +#include "xfs_inode.h" +#include "quota/xfs_qm.h" +#include <linux/quota.h> + + +STATIC int +xfs_quota_type(int type) +{ + switch (type) { + case USRQUOTA: + return XFS_DQ_USER; + case GRPQUOTA: + return XFS_DQ_GROUP; + default: + return XFS_DQ_PROJ; + } +} + +STATIC int +xfs_fs_quota_sync( + struct super_block *sb, + int type) +{ + struct xfs_mount *mp = XFS_M(sb); + + if (!XFS_IS_QUOTA_RUNNING(mp)) + return -ENOSYS; + return -xfs_sync_inodes(mp, SYNC_DELWRI); +} + +STATIC int +xfs_fs_get_xstate( + struct super_block *sb, + struct fs_quota_stat *fqs) +{ + struct xfs_mount *mp = XFS_M(sb); + + if (!XFS_IS_QUOTA_RUNNING(mp)) + return -ENOSYS; + return -xfs_qm_scall_getqstat(mp, fqs); +} + +STATIC int +xfs_fs_set_xstate( + struct super_block *sb, + unsigned int uflags, + int op) +{ + struct xfs_mount *mp = XFS_M(sb); + unsigned int flags = 0; + + if (sb->s_flags & MS_RDONLY) + return -EROFS; + if (!XFS_IS_QUOTA_RUNNING(mp)) + return -ENOSYS; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (uflags & XFS_QUOTA_UDQ_ACCT) + flags |= XFS_UQUOTA_ACCT; + if (uflags & XFS_QUOTA_PDQ_ACCT) + flags |= XFS_PQUOTA_ACCT; + if (uflags & XFS_QUOTA_GDQ_ACCT) + flags |= XFS_GQUOTA_ACCT; + if (uflags & XFS_QUOTA_UDQ_ENFD) + flags |= XFS_UQUOTA_ENFD; + if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) + flags |= XFS_OQUOTA_ENFD; + + switch (op) { + case Q_XQUOTAON: + return -xfs_qm_scall_quotaon(mp, flags); + case Q_XQUOTAOFF: + if (!XFS_IS_QUOTA_ON(mp)) + return -EINVAL; + return -xfs_qm_scall_quotaoff(mp, flags); + case Q_XQUOTARM: + if (XFS_IS_QUOTA_ON(mp)) + return -EINVAL; + return -xfs_qm_scall_trunc_qfiles(mp, flags); + } + + return -EINVAL; +} + +STATIC int +xfs_fs_get_xquota( + struct super_block *sb, + int type, + qid_t id, + struct fs_disk_quota *fdq) +{ + struct xfs_mount *mp = XFS_M(sb); + + if (!XFS_IS_QUOTA_RUNNING(mp)) + return -ENOSYS; + if (!XFS_IS_QUOTA_ON(mp)) + return -ESRCH; + + return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq); +} + +STATIC int +xfs_fs_set_xquota( + struct super_block *sb, + int type, + qid_t id, + struct fs_disk_quota *fdq) +{ + struct xfs_mount *mp = XFS_M(sb); + + if (sb->s_flags & MS_RDONLY) + return -EROFS; + if (!XFS_IS_QUOTA_RUNNING(mp)) + return -ENOSYS; + if (!XFS_IS_QUOTA_ON(mp)) + return -ESRCH; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq); +} + +struct quotactl_ops xfs_quotactl_operations = { + .quota_sync = xfs_fs_quota_sync, + .get_xstate = xfs_fs_get_xstate, + .set_xstate = xfs_fs_set_xstate, + .get_xquota = xfs_fs_get_xquota, + .set_xquota = xfs_fs_set_xquota, +}; diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 32ae5028e96..9f974f4b330 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -68,7 +68,6 @@ #include <linux/freezer.h> #include <linux/parser.h> -static struct quotactl_ops xfs_quotactl_operations; static struct super_operations xfs_super_operations; static kmem_zone_t *xfs_ioend_zone; mempool_t *xfs_ioend_pool; @@ -180,7 +179,7 @@ xfs_parseargs( int dswidth = 0; int iosize = 0; int dmapi_implies_ikeep = 1; - uchar_t iosizelog = 0; + __uint8_t iosizelog = 0; /* * Copy binary VFS mount flags we are interested in. @@ -634,7 +633,7 @@ xfs_max_file_offset( return (((__uint64_t)pagefactor) << bitshift) - 1; } -int +STATIC int xfs_blkdev_get( xfs_mount_t *mp, const char *name, @@ -651,7 +650,7 @@ xfs_blkdev_get( return -error; } -void +STATIC void xfs_blkdev_put( struct block_device *bdev) { @@ -872,7 +871,7 @@ xfsaild_wakeup( wake_up_process(ailp->xa_task); } -int +STATIC int xfsaild( void *data) { @@ -990,26 +989,57 @@ xfs_fs_write_inode( int sync) { struct xfs_inode *ip = XFS_I(inode); + struct xfs_mount *mp = ip->i_mount; int error = 0; - int flags = 0; xfs_itrace_entry(ip); + + if (XFS_FORCED_SHUTDOWN(mp)) + return XFS_ERROR(EIO); + if (sync) { error = xfs_wait_on_pages(ip, 0, -1); if (error) - goto out_error; - flags |= FLUSH_SYNC; + goto out; + } + + /* + * Bypass inodes which have already been cleaned by + * the inode flush clustering code inside xfs_iflush + */ + if (xfs_inode_clean(ip)) + goto out; + + /* + * We make this non-blocking if the inode is contended, return + * EAGAIN to indicate to the caller that they did not succeed. + * This prevents the flush path from blocking on inodes inside + * another operation right now, they get caught later by xfs_sync. + */ + if (sync) { + xfs_ilock(ip, XFS_ILOCK_SHARED); + xfs_iflock(ip); + + error = xfs_iflush(ip, XFS_IFLUSH_SYNC); + } else { + error = EAGAIN; + if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) + goto out; + if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) + goto out_unlock; + + error = xfs_iflush(ip, XFS_IFLUSH_ASYNC_NOBLOCK); } - error = xfs_inode_flush(ip, flags); -out_error: + out_unlock: + xfs_iunlock(ip, XFS_ILOCK_SHARED); + out: /* * if we failed to write out the inode then mark * it dirty again so we'll try again later. */ if (error) xfs_mark_inode_dirty_sync(ip); - return -error; } @@ -1302,57 +1332,6 @@ xfs_fs_show_options( return -xfs_showargs(XFS_M(mnt->mnt_sb), m); } -STATIC int -xfs_fs_quotasync( - struct super_block *sb, - int type) -{ - return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL); -} - -STATIC int -xfs_fs_getxstate( - struct super_block *sb, - struct fs_quota_stat *fqs) -{ - return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs); -} - -STATIC int -xfs_fs_setxstate( - struct super_block *sb, - unsigned int flags, - int op) -{ - return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags); -} - -STATIC int -xfs_fs_getxquota( - struct super_block *sb, - int type, - qid_t id, - struct fs_disk_quota *fdq) -{ - return -XFS_QM_QUOTACTL(XFS_M(sb), - (type == USRQUOTA) ? Q_XGETQUOTA : - ((type == GRPQUOTA) ? Q_XGETGQUOTA : - Q_XGETPQUOTA), id, (caddr_t)fdq); -} - -STATIC int -xfs_fs_setxquota( - struct super_block *sb, - int type, - qid_t id, - struct fs_disk_quota *fdq) -{ - return -XFS_QM_QUOTACTL(XFS_M(sb), - (type == USRQUOTA) ? Q_XSETQLIM : - ((type == GRPQUOTA) ? Q_XSETGQLIM : - Q_XSETPQLIM), id, (caddr_t)fdq); -} - /* * This function fills in xfs_mount_t fields based on mount args. * Note: the superblock _has_ now been read in. @@ -1435,7 +1414,9 @@ xfs_fs_fill_super( sb_min_blocksize(sb, BBSIZE); sb->s_xattr = xfs_xattr_handlers; sb->s_export_op = &xfs_export_operations; +#ifdef CONFIG_XFS_QUOTA sb->s_qcop = &xfs_quotactl_operations; +#endif sb->s_op = &xfs_super_operations; error = xfs_dmops_get(mp); @@ -1578,14 +1559,6 @@ static struct super_operations xfs_super_operations = { .show_options = xfs_fs_show_options, }; -static struct quotactl_ops xfs_quotactl_operations = { - .quota_sync = xfs_fs_quotasync, - .get_xstate = xfs_fs_getxstate, - .set_xstate = xfs_fs_setxstate, - .get_xquota = xfs_fs_getxquota, - .set_xquota = xfs_fs_setxquota, -}; - static struct file_system_type xfs_fs_type = { .owner = THIS_MODULE, .name = "xfs", diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h index d5d776d4cd6..5a2ea3a2178 100644 --- a/fs/xfs/linux-2.6/xfs_super.h +++ b/fs/xfs/linux-2.6/xfs_super.h @@ -93,6 +93,7 @@ extern void xfs_blkdev_issue_flush(struct xfs_buftarg *); extern const struct export_operations xfs_export_operations; extern struct xattr_handler *xfs_xattr_handlers[]; +extern struct quotactl_ops xfs_quotactl_operations; #define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info)) diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h index 5f6de1efe1f..04f058c848a 100644 --- a/fs/xfs/linux-2.6/xfs_sync.h +++ b/fs/xfs/linux-2.6/xfs_sync.h @@ -19,6 +19,7 @@ #define XFS_SYNC_H 1 struct xfs_mount; +struct xfs_perag; typedef struct bhv_vfs_sync_work { struct list_head w_list; diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index f65983a230d..ea4675c4820 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -41,11 +41,6 @@ struct attrlist_cursor_kern; #define IO_INVIS 0x00020 /* don't update inode timestamps */ /* - * Flags for xfs_inode_flush - */ -#define FLUSH_SYNC 1 /* wait for flush to complete */ - -/* * Flush/Invalidate options for vop_toss/flush/flushinval_pages. */ #define FI_NONE 0 /* none */ diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c index 6543c0b2975..e4babcc6342 100644 --- a/fs/xfs/quota/xfs_dquot.c +++ b/fs/xfs/quota/xfs_dquot.c @@ -804,7 +804,7 @@ xfs_qm_dqlookup( uint flist_locked; xfs_dquot_t *d; - ASSERT(XFS_DQ_IS_HASH_LOCKED(qh)); + ASSERT(mutex_is_locked(&qh->qh_lock)); flist_locked = B_FALSE; @@ -877,7 +877,7 @@ xfs_qm_dqlookup( /* * move the dquot to the front of the hashchain */ - ASSERT(XFS_DQ_IS_HASH_LOCKED(qh)); + ASSERT(mutex_is_locked(&qh->qh_lock)); if (dqp->HL_PREVP != &qh->qh_next) { xfs_dqtrace_entry(dqp, "DQLOOKUP: HASH MOVETOFRONT"); @@ -892,13 +892,13 @@ xfs_qm_dqlookup( } xfs_dqtrace_entry(dqp, "LOOKUP END"); *O_dqpp = dqp; - ASSERT(XFS_DQ_IS_HASH_LOCKED(qh)); + ASSERT(mutex_is_locked(&qh->qh_lock)); return (0); } } *O_dqpp = NULL; - ASSERT(XFS_DQ_IS_HASH_LOCKED(qh)); + ASSERT(mutex_is_locked(&qh->qh_lock)); return (1); } @@ -956,7 +956,7 @@ xfs_qm_dqget( ASSERT(ip->i_gdquot == NULL); } #endif - XFS_DQ_HASH_LOCK(h); + mutex_lock(&h->qh_lock); /* * Look in the cache (hashtable). @@ -971,7 +971,7 @@ xfs_qm_dqget( */ ASSERT(*O_dqpp); ASSERT(XFS_DQ_IS_LOCKED(*O_dqpp)); - XFS_DQ_HASH_UNLOCK(h); + mutex_unlock(&h->qh_lock); xfs_dqtrace_entry(*O_dqpp, "DQGET DONE (FROM CACHE)"); return (0); /* success */ } @@ -991,7 +991,7 @@ xfs_qm_dqget( * we don't keep the lock across a disk read */ version = h->qh_version; - XFS_DQ_HASH_UNLOCK(h); + mutex_unlock(&h->qh_lock); /* * Allocate the dquot on the kernel heap, and read the ondisk @@ -1056,7 +1056,7 @@ xfs_qm_dqget( /* * Hashlock comes after ilock in lock order */ - XFS_DQ_HASH_LOCK(h); + mutex_lock(&h->qh_lock); if (version != h->qh_version) { xfs_dquot_t *tmpdqp; /* @@ -1072,7 +1072,7 @@ xfs_qm_dqget( * and start over. */ xfs_qm_dqput(tmpdqp); - XFS_DQ_HASH_UNLOCK(h); + mutex_unlock(&h->qh_lock); xfs_qm_dqdestroy(dqp); XQM_STATS_INC(xqmstats.xs_qm_dquot_dups); goto again; @@ -1083,7 +1083,7 @@ xfs_qm_dqget( * Put the dquot at the beginning of the hash-chain and mp's list * LOCK ORDER: hashlock, freelistlock, mplistlock, udqlock, gdqlock .. */ - ASSERT(XFS_DQ_IS_HASH_LOCKED(h)); + ASSERT(mutex_is_locked(&h->qh_lock)); dqp->q_hash = h; XQM_HASHLIST_INSERT(h, dqp); @@ -1102,7 +1102,7 @@ xfs_qm_dqget( XQM_MPLIST_INSERT(&(XFS_QI_MPL_LIST(mp)), dqp); xfs_qm_mplist_unlock(mp); - XFS_DQ_HASH_UNLOCK(h); + mutex_unlock(&h->qh_lock); dqret: ASSERT((ip == NULL) || xfs_isilocked(ip, XFS_ILOCK_EXCL)); xfs_dqtrace_entry(dqp, "DQGET DONE"); @@ -1440,7 +1440,7 @@ xfs_qm_dqpurge( xfs_mount_t *mp = dqp->q_mount; ASSERT(XFS_QM_IS_MPLIST_LOCKED(mp)); - ASSERT(XFS_DQ_IS_HASH_LOCKED(dqp->q_hash)); + ASSERT(mutex_is_locked(&dqp->q_hash->qh_lock)); xfs_dqlock(dqp); /* @@ -1453,7 +1453,7 @@ xfs_qm_dqpurge( */ if (dqp->q_nrefs != 0) { xfs_dqunlock(dqp); - XFS_DQ_HASH_UNLOCK(dqp->q_hash); + mutex_unlock(&dqp->q_hash->qh_lock); return (1); } @@ -1517,7 +1517,7 @@ xfs_qm_dqpurge( memset(&dqp->q_core, 0, sizeof(dqp->q_core)); xfs_dqfunlock(dqp); xfs_dqunlock(dqp); - XFS_DQ_HASH_UNLOCK(thishash); + mutex_unlock(&thishash->qh_lock); return (0); } diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h index d443e93b433..d1f726e0e5a 100644 --- a/fs/xfs/quota/xfs_dquot.h +++ b/fs/xfs/quota/xfs_dquot.h @@ -109,19 +109,6 @@ enum { #define XFS_DQHOLD(dqp) ((dqp)->q_nrefs++) -#ifdef DEBUG -static inline int -XFS_DQ_IS_LOCKED(xfs_dquot_t *dqp) -{ - if (mutex_trylock(&dqp->q_qlock)) { - mutex_unlock(&dqp->q_qlock); - return 0; - } - return 1; -} -#endif - - /* * Manage the q_flush completion queue embedded in the dquot. This completion * queue synchronizes processes attempting to flush the in-core dquot back to @@ -142,6 +129,7 @@ static inline void xfs_dqfunlock(xfs_dquot_t *dqp) complete(&dqp->q_flush); } +#define XFS_DQ_IS_LOCKED(dqp) (mutex_is_locked(&((dqp)->q_qlock))) #define XFS_DQ_IS_ON_FREELIST(dqp) ((dqp)->dq_flnext != (dqp)) #define XFS_DQ_IS_DIRTY(dqp) ((dqp)->dq_flags & XFS_DQ_DIRTY) #define XFS_QM_ISUDQ(dqp) ((dqp)->dq_flags & XFS_DQ_USER) diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index 7a2beb64314..11d0a4f89a0 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -69,8 +69,6 @@ STATIC void xfs_qm_list_destroy(xfs_dqlist_t *); STATIC void xfs_qm_freelist_init(xfs_frlist_t *); STATIC void xfs_qm_freelist_destroy(xfs_frlist_t *); -STATIC int xfs_qm_mplist_nowait(xfs_mount_t *); -STATIC int xfs_qm_dqhashlock_nowait(xfs_dquot_t *); STATIC int xfs_qm_init_quotainos(xfs_mount_t *); STATIC int xfs_qm_init_quotainfo(xfs_mount_t *); @@ -219,7 +217,7 @@ xfs_qm_hold_quotafs_ref( * the structure could disappear between the entry to this routine and * a HOLD operation if not locked. */ - XFS_QM_LOCK(xfs_Gqm); + mutex_lock(&xfs_Gqm_lock); if (xfs_Gqm == NULL) xfs_Gqm = xfs_Gqm_init(); @@ -228,8 +226,8 @@ xfs_qm_hold_quotafs_ref( * debugging and statistical purposes, but ... * Just take a reference and get out. */ - XFS_QM_HOLD(xfs_Gqm); - XFS_QM_UNLOCK(xfs_Gqm); + xfs_Gqm->qm_nrefs++; + mutex_unlock(&xfs_Gqm_lock); return 0; } @@ -277,13 +275,12 @@ xfs_qm_rele_quotafs_ref( * Destroy the entire XQM. If somebody mounts with quotaon, this'll * be restarted. */ - XFS_QM_LOCK(xfs_Gqm); - XFS_QM_RELE(xfs_Gqm); - if (xfs_Gqm->qm_nrefs == 0) { + mutex_lock(&xfs_Gqm_lock); + if (--xfs_Gqm->qm_nrefs == 0) { xfs_qm_destroy(xfs_Gqm); xfs_Gqm = NULL; } - XFS_QM_UNLOCK(xfs_Gqm); + mutex_unlock(&xfs_Gqm_lock); } /* @@ -577,10 +574,10 @@ xfs_qm_dqpurge_int( continue; } - if (! xfs_qm_dqhashlock_nowait(dqp)) { + if (!mutex_trylock(&dqp->q_hash->qh_lock)) { nrecl = XFS_QI_MPLRECLAIMS(mp); xfs_qm_mplist_unlock(mp); - XFS_DQ_HASH_LOCK(dqp->q_hash); + mutex_lock(&dqp->q_hash->qh_lock); xfs_qm_mplist_lock(mp); /* @@ -590,7 +587,7 @@ xfs_qm_dqpurge_int( * this point, but somebody might be taking things off. */ if (nrecl != XFS_QI_MPLRECLAIMS(mp)) { - XFS_DQ_HASH_UNLOCK(dqp->q_hash); + mutex_unlock(&dqp->q_hash->qh_lock); goto again; } } @@ -632,7 +629,6 @@ xfs_qm_dqattach_one( xfs_dqid_t id, uint type, uint doalloc, - uint dolock, xfs_dquot_t *udqhint, /* hint */ xfs_dquot_t **IO_idqpp) { @@ -641,16 +637,16 @@ xfs_qm_dqattach_one( ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); error = 0; + /* * See if we already have it in the inode itself. IO_idqpp is * &i_udquot or &i_gdquot. This made the code look weird, but * made the logic a lot simpler. */ - if ((dqp = *IO_idqpp)) { - if (dolock) - xfs_dqlock(dqp); + dqp = *IO_idqpp; + if (dqp) { xfs_dqtrace_entry(dqp, "DQATTACH: found in ip"); - goto done; + return 0; } /* @@ -659,38 +655,38 @@ xfs_qm_dqattach_one( * lookup by dqid (xfs_qm_dqget) by caching a group dquot inside * the user dquot. */ - ASSERT(!udqhint || type == XFS_DQ_GROUP || type == XFS_DQ_PROJ); - if (udqhint && !dolock) + if (udqhint) { + ASSERT(type == XFS_DQ_GROUP || type == XFS_DQ_PROJ); xfs_dqlock(udqhint); - /* - * No need to take dqlock to look at the id. - * The ID can't change until it gets reclaimed, and it won't - * be reclaimed as long as we have a ref from inode and we hold - * the ilock. - */ - if (udqhint && - (dqp = udqhint->q_gdquot) && - (be32_to_cpu(dqp->q_core.d_id) == id)) { - ASSERT(XFS_DQ_IS_LOCKED(udqhint)); - xfs_dqlock(dqp); - XFS_DQHOLD(dqp); - ASSERT(*IO_idqpp == NULL); - *IO_idqpp = dqp; - if (!dolock) { + /* + * No need to take dqlock to look at the id. + * + * The ID can't change until it gets reclaimed, and it won't + * be reclaimed as long as we have a ref from inode and we + * hold the ilock. + */ + dqp = udqhint->q_gdquot; + if (dqp && be32_to_cpu(dqp->q_core.d_id) == id) { + xfs_dqlock(dqp); + XFS_DQHOLD(dqp); + ASSERT(*IO_idqpp == NULL); + *IO_idqpp = dqp; + xfs_dqunlock(dqp); xfs_dqunlock(udqhint); + return 0; } - goto done; - } - /* - * We can't hold a dquot lock when we call the dqget code. - * We'll deadlock in no time, because of (not conforming to) - * lock ordering - the inodelock comes before any dquot lock, - * and we may drop and reacquire the ilock in xfs_qm_dqget(). - */ - if (udqhint) + + /* + * We can't hold a dquot lock when we call the dqget code. + * We'll deadlock in no time, because of (not conforming to) + * lock ordering - the inodelock comes before any dquot lock, + * and we may drop and reacquire the ilock in xfs_qm_dqget(). + */ xfs_dqunlock(udqhint); + } + /* * Find the dquot from somewhere. This bumps the * reference count of dquot and returns it locked. @@ -698,48 +694,19 @@ xfs_qm_dqattach_one( * disk and we didn't ask it to allocate; * ESRCH if quotas got turned off suddenly. */ - if ((error = xfs_qm_dqget(ip->i_mount, ip, id, type, - doalloc|XFS_QMOPT_DOWARN, &dqp))) { - if (udqhint && dolock) - xfs_dqlock(udqhint); - goto done; - } + error = xfs_qm_dqget(ip->i_mount, ip, id, type, XFS_QMOPT_DOWARN, &dqp); + if (error) + return error; xfs_dqtrace_entry(dqp, "DQATTACH: found by dqget"); + /* * dqget may have dropped and re-acquired the ilock, but it guarantees * that the dquot returned is the one that should go in the inode. */ *IO_idqpp = dqp; - ASSERT(dqp); - ASSERT(XFS_DQ_IS_LOCKED(dqp)); - if (! dolock) { - xfs_dqunlock(dqp); - goto done; - } - if (! udqhint) - goto done; - - ASSERT(udqhint); - ASSERT(dolock); - ASSERT(XFS_DQ_IS_LOCKED(dqp)); - if (! xfs_qm_dqlock_nowait(udqhint)) { - xfs_dqunlock(dqp); - xfs_dqlock(udqhint); - xfs_dqlock(dqp); - } - done: -#ifdef QUOTADEBUG - if (udqhint) { - if (dolock) - ASSERT(XFS_DQ_IS_LOCKED(udqhint)); - } - if (! error) { - if (dolock) - ASSERT(XFS_DQ_IS_LOCKED(dqp)); - } -#endif - return error; + xfs_dqunlock(dqp); + return 0; } @@ -754,24 +721,15 @@ xfs_qm_dqattach_one( STATIC void xfs_qm_dqattach_grouphint( xfs_dquot_t *udq, - xfs_dquot_t *gdq, - uint locked) + xfs_dquot_t *gdq) { xfs_dquot_t *tmp; -#ifdef QUOTADEBUG - if (locked) { - ASSERT(XFS_DQ_IS_LOCKED(udq)); - ASSERT(XFS_DQ_IS_LOCKED(gdq)); - } -#endif - if (! locked) - xfs_dqlock(udq); + xfs_dqlock(udq); if ((tmp = udq->q_gdquot)) { if (tmp == gdq) { - if (! locked) - xfs_dqunlock(udq); + xfs_dqunlock(udq); return; } @@ -781,8 +739,6 @@ xfs_qm_dqattach_grouphint( * because the freelist lock comes before dqlocks. */ xfs_dqunlock(udq); - if (locked) - xfs_dqunlock(gdq); /* * we took a hard reference once upon a time in dqget, * so give it back when the udquot no longer points at it @@ -795,9 +751,7 @@ xfs_qm_dqattach_grouphint( } else { ASSERT(XFS_DQ_IS_LOCKED(udq)); - if (! locked) { - xfs_dqlock(gdq); - } + xfs_dqlock(gdq); } ASSERT(XFS_DQ_IS_LOCKED(udq)); @@ -810,10 +764,9 @@ xfs_qm_dqattach_grouphint( XFS_DQHOLD(gdq); udq->q_gdquot = gdq; } - if (! locked) { - xfs_dqunlock(gdq); - xfs_dqunlock(udq); - } + + xfs_dqunlock(gdq); + xfs_dqunlock(udq); } @@ -821,8 +774,6 @@ xfs_qm_dqattach_grouphint( * Given a locked inode, attach dquot(s) to it, taking U/G/P-QUOTAON * into account. * If XFS_QMOPT_DQALLOC, the dquot(s) will be allocated if needed. - * If XFS_QMOPT_DQLOCK, the dquot(s) will be returned locked. This option pretty - * much made this code a complete mess, but it has been pretty useful. * If XFS_QMOPT_ILOCKED, then inode sent is already locked EXCL. * Inode may get unlocked and relocked in here, and the caller must deal with * the consequences. @@ -851,7 +802,6 @@ xfs_qm_dqattach( if (XFS_IS_UQUOTA_ON(mp)) { error = xfs_qm_dqattach_one(ip, ip->i_d.di_uid, XFS_DQ_USER, flags & XFS_QMOPT_DQALLOC, - flags & XFS_QMOPT_DQLOCK, NULL, &ip->i_udquot); if (error) goto done; @@ -863,11 +813,9 @@ xfs_qm_dqattach( error = XFS_IS_GQUOTA_ON(mp) ? xfs_qm_dqattach_one(ip, ip->i_d.di_gid, XFS_DQ_GROUP, flags & XFS_QMOPT_DQALLOC, - flags & XFS_QMOPT_DQLOCK, ip->i_udquot, &ip->i_gdquot) : xfs_qm_dqattach_one(ip, ip->i_d.di_projid, XFS_DQ_PROJ, flags & XFS_QMOPT_DQALLOC, - flags & XFS_QMOPT_DQLOCK, ip->i_udquot, &ip->i_gdquot); /* * Don't worry about the udquot that we may have @@ -898,22 +846,13 @@ xfs_qm_dqattach( /* * Attach i_gdquot to the gdquot hint inside the i_udquot. */ - xfs_qm_dqattach_grouphint(ip->i_udquot, ip->i_gdquot, - flags & XFS_QMOPT_DQLOCK); + xfs_qm_dqattach_grouphint(ip->i_udquot, ip->i_gdquot); } done: #ifdef QUOTADEBUG if (! error) { - if (ip->i_udquot) { - if (flags & XFS_QMOPT_DQLOCK) - ASSERT(XFS_DQ_IS_LOCKED(ip->i_udquot)); - } - if (ip->i_gdquot) { - if (flags & XFS_QMOPT_DQLOCK) - ASSERT(XFS_DQ_IS_LOCKED(ip->i_gdquot)); - } if (XFS_IS_UQUOTA_ON(mp)) ASSERT(ip->i_udquot); if (XFS_IS_OQUOTA_ON(mp)) @@ -2086,7 +2025,7 @@ xfs_qm_shake_freelist( * a dqlookup process that holds the hashlock that is * waiting for the freelist lock. */ - if (! xfs_qm_dqhashlock_nowait(dqp)) { + if (!mutex_trylock(&dqp->q_hash->qh_lock)) { xfs_dqfunlock(dqp); xfs_dqunlock(dqp); dqp = dqp->dq_flnext; @@ -2103,7 +2042,7 @@ xfs_qm_shake_freelist( /* XXX put a sentinel so that we can come back here */ xfs_dqfunlock(dqp); xfs_dqunlock(dqp); - XFS_DQ_HASH_UNLOCK(hash); + mutex_unlock(&hash->qh_lock); xfs_qm_freelist_unlock(xfs_Gqm); if (++restarts >= XFS_QM_RECLAIM_MAX_RESTARTS) return nreclaimed; @@ -2120,7 +2059,7 @@ xfs_qm_shake_freelist( XQM_HASHLIST_REMOVE(hash, dqp); xfs_dqfunlock(dqp); xfs_qm_mplist_unlock(dqp->q_mount); - XFS_DQ_HASH_UNLOCK(hash); + mutex_unlock(&hash->qh_lock); off_freelist: XQM_FREELIST_REMOVE(dqp); @@ -2262,7 +2201,7 @@ xfs_qm_dqreclaim_one(void) continue; } - if (! xfs_qm_dqhashlock_nowait(dqp)) + if (!mutex_trylock(&dqp->q_hash->qh_lock)) goto mplistunlock; ASSERT(dqp->q_nrefs == 0); @@ -2271,7 +2210,7 @@ xfs_qm_dqreclaim_one(void) XQM_HASHLIST_REMOVE(dqp->q_hash, dqp); XQM_FREELIST_REMOVE(dqp); dqpout = dqp; - XFS_DQ_HASH_UNLOCK(dqp->q_hash); + mutex_unlock(&dqp->q_hash->qh_lock); mplistunlock: xfs_qm_mplist_unlock(dqp->q_mount); xfs_dqfunlock(dqp); @@ -2774,34 +2713,3 @@ xfs_qm_freelist_append(xfs_frlist_t *ql, xfs_dquot_t *dq) { xfs_qm_freelist_insert((xfs_frlist_t *)ql->qh_prev, dq); } - -STATIC int -xfs_qm_dqhashlock_nowait( - xfs_dquot_t *dqp) -{ - int locked; - - locked = mutex_trylock(&((dqp)->q_hash->qh_lock)); - return locked; -} - -int -xfs_qm_freelist_lock_nowait( - xfs_qm_t *xqm) -{ - int locked; - - locked = mutex_trylock(&(xqm->qm_dqfreelist.qh_lock)); - return locked; -} - -STATIC int -xfs_qm_mplist_nowait( - xfs_mount_t *mp) -{ - int locked; - - ASSERT(mp->m_quotainfo); - locked = mutex_trylock(&(XFS_QI_MPLLOCK(mp))); - return locked; -} diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h index ddf09166387..933df4204fc 100644 --- a/fs/xfs/quota/xfs_qm.h +++ b/fs/xfs/quota/xfs_qm.h @@ -158,11 +158,6 @@ typedef struct xfs_dquot_acct { #define XFS_QM_IWARNLIMIT 5 #define XFS_QM_RTBWARNLIMIT 5 -#define XFS_QM_LOCK(xqm) (mutex_lock(&xqm##_lock)) -#define XFS_QM_UNLOCK(xqm) (mutex_unlock(&xqm##_lock)) -#define XFS_QM_HOLD(xqm) ((xqm)->qm_nrefs++) -#define XFS_QM_RELE(xqm) ((xqm)->qm_nrefs--) - extern void xfs_qm_destroy_quotainfo(xfs_mount_t *); extern void xfs_qm_mount_quotas(xfs_mount_t *); extern int xfs_qm_quotacheck(xfs_mount_t *); @@ -178,6 +173,16 @@ extern void xfs_qm_dqdetach(xfs_inode_t *); extern int xfs_qm_dqpurge_all(xfs_mount_t *, uint); extern void xfs_qm_dqrele_all_inodes(xfs_mount_t *, uint); +/* quota ops */ +extern int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); +extern int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, + fs_disk_quota_t *); +extern int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, + fs_disk_quota_t *); +extern int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); +extern int xfs_qm_scall_quotaon(xfs_mount_t *, uint); +extern int xfs_qm_scall_quotaoff(xfs_mount_t *, uint); + /* vop stuff */ extern int xfs_qm_vop_dqalloc(xfs_mount_t *, xfs_inode_t *, uid_t, gid_t, prid_t, uint, @@ -194,11 +199,6 @@ extern int xfs_qm_vop_chown_reserve(xfs_trans_t *, xfs_inode_t *, /* list stuff */ extern void xfs_qm_freelist_append(xfs_frlist_t *, xfs_dquot_t *); extern void xfs_qm_freelist_unlink(xfs_dquot_t *); -extern int xfs_qm_freelist_lock_nowait(xfs_qm_t *); - -/* system call interface */ -extern int xfs_qm_quotactl(struct xfs_mount *, int, int, - xfs_caddr_t); #ifdef DEBUG extern int xfs_qm_internalqcheck(xfs_mount_t *); diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c index bc6c5cca3e1..63037c689a4 100644 --- a/fs/xfs/quota/xfs_qm_bhv.c +++ b/fs/xfs/quota/xfs_qm_bhv.c @@ -235,7 +235,6 @@ struct xfs_qmops xfs_qmcore_xfs = { .xfs_dqvopchownresv = xfs_qm_vop_chown_reserve, .xfs_dqstatvfs = xfs_qm_statvfs, .xfs_dqsync = xfs_qm_sync, - .xfs_quotactl = xfs_qm_quotactl, .xfs_dqtrxops = &xfs_trans_dquot_ops, }; EXPORT_SYMBOL(xfs_qmcore_xfs); diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c index 68139b38aed..b00c8d484aa 100644 --- a/fs/xfs/quota/xfs_qm_syscalls.c +++ b/fs/xfs/quota/xfs_qm_syscalls.c @@ -57,135 +57,16 @@ # define qdprintk(s, args...) do { } while (0) #endif -STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); -STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, - fs_disk_quota_t *); -STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); -STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, - fs_disk_quota_t *); -STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint); -STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t); STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, uint); -STATIC uint xfs_qm_import_flags(uint); STATIC uint xfs_qm_export_flags(uint); -STATIC uint xfs_qm_import_qtype_flags(uint); STATIC uint xfs_qm_export_qtype_flags(uint); STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *, fs_disk_quota_t *); /* - * The main distribution switch of all XFS quotactl system calls. - */ -int -xfs_qm_quotactl( - xfs_mount_t *mp, - int cmd, - int id, - xfs_caddr_t addr) -{ - int error; - - ASSERT(addr != NULL || cmd == Q_XQUOTASYNC); - - /* - * The following commands are valid even when quotaoff. - */ - switch (cmd) { - case Q_XQUOTARM: - /* - * Truncate quota files. quota must be off. - */ - if (XFS_IS_QUOTA_ON(mp)) - return XFS_ERROR(EINVAL); - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - return (xfs_qm_scall_trunc_qfiles(mp, - xfs_qm_import_qtype_flags(*(uint *)addr))); - - case Q_XGETQSTAT: - /* - * Get quota status information. - */ - return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr)); - - case Q_XQUOTAON: - /* - * QUOTAON - enabling quota enforcement. - * Quota accounting must be turned on at mount time. - */ - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - return (xfs_qm_scall_quotaon(mp, - xfs_qm_import_flags(*(uint *)addr))); - - case Q_XQUOTAOFF: - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - break; - - case Q_XQUOTASYNC: - return xfs_sync_inodes(mp, SYNC_DELWRI); - - default: - break; - } - - if (! XFS_IS_QUOTA_ON(mp)) - return XFS_ERROR(ESRCH); - - switch (cmd) { - case Q_XQUOTAOFF: - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - error = xfs_qm_scall_quotaoff(mp, - xfs_qm_import_flags(*(uint *)addr), - B_FALSE); - break; - - case Q_XGETQUOTA: - error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER, - (fs_disk_quota_t *)addr); - break; - case Q_XGETGQUOTA: - error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, - (fs_disk_quota_t *)addr); - break; - case Q_XGETPQUOTA: - error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, - (fs_disk_quota_t *)addr); - break; - - case Q_XSETQLIM: - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, - (fs_disk_quota_t *)addr); - break; - case Q_XSETGQLIM: - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, - (fs_disk_quota_t *)addr); - break; - case Q_XSETPQLIM: - if (mp->m_flags & XFS_MOUNT_RDONLY) - return XFS_ERROR(EROFS); - error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, - (fs_disk_quota_t *)addr); - break; - - default: - error = XFS_ERROR(EINVAL); - break; - } - - return (error); -} - -/* * Turn off quota accounting and/or enforcement for all udquots and/or * gdquots. Called only at unmount time. * @@ -193,11 +74,10 @@ xfs_qm_quotactl( * incore, and modifies the ondisk dquot directly. Therefore, for example, * it is an error to call this twice, without purging the cache. */ -STATIC int +int xfs_qm_scall_quotaoff( xfs_mount_t *mp, - uint flags, - boolean_t force) + uint flags) { uint dqtype; int error; @@ -205,8 +85,6 @@ xfs_qm_scall_quotaoff( xfs_qoff_logitem_t *qoffstart; int nculprits; - if (!force && !capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); /* * No file system can have quotas enabled on disk but not in core. * Note that quota utilities (like quotaoff) _expect_ @@ -375,7 +253,7 @@ out_error: return (error); } -STATIC int +int xfs_qm_scall_trunc_qfiles( xfs_mount_t *mp, uint flags) @@ -383,8 +261,6 @@ xfs_qm_scall_trunc_qfiles( int error = 0, error2 = 0; xfs_inode_t *qip; - if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags); return XFS_ERROR(EINVAL); @@ -416,7 +292,7 @@ xfs_qm_scall_trunc_qfiles( * effect immediately. * (Switching on quota accounting must be done at mount time.) */ -STATIC int +int xfs_qm_scall_quotaon( xfs_mount_t *mp, uint flags) @@ -426,9 +302,6 @@ xfs_qm_scall_quotaon( uint accflags; __int64_t sbflags; - if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); - flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); /* * Switching on quota accounting must be done at mount time. @@ -517,7 +390,7 @@ xfs_qm_scall_quotaon( /* * Return quota status information, such as uquota-off, enforcements, etc. */ -STATIC int +int xfs_qm_scall_getqstat( xfs_mount_t *mp, fs_quota_stat_t *out) @@ -582,7 +455,7 @@ xfs_qm_scall_getqstat( /* * Adjust quota limits, and start/stop timers accordingly. */ -STATIC int +int xfs_qm_scall_setqlim( xfs_mount_t *mp, xfs_dqid_t id, @@ -595,9 +468,6 @@ xfs_qm_scall_setqlim( int error; xfs_qcnt_t hard, soft; - if (!capable(CAP_SYS_ADMIN)) - return XFS_ERROR(EPERM); - if ((newlim->d_fieldmask & (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0) return (0); @@ -742,7 +612,7 @@ xfs_qm_scall_setqlim( return error; } -STATIC int +int xfs_qm_scall_getquota( xfs_mount_t *mp, xfs_dqid_t id, @@ -935,30 +805,6 @@ xfs_qm_export_dquot( } STATIC uint -xfs_qm_import_qtype_flags( - uint uflags) -{ - uint oflags = 0; - - /* - * Can't be more than one, or none. - */ - if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == - (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) || - ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) == - (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) || - ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) == - (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) || - ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0)) - return (0); - - oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0; - oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0; - oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0; - return oflags; -} - -STATIC uint xfs_qm_export_qtype_flags( uint flags) { @@ -979,26 +825,6 @@ xfs_qm_export_qtype_flags( } STATIC uint -xfs_qm_import_flags( - uint uflags) -{ - uint flags = 0; - - if (uflags & XFS_QUOTA_UDQ_ACCT) - flags |= XFS_UQUOTA_ACCT; - if (uflags & XFS_QUOTA_PDQ_ACCT) - flags |= XFS_PQUOTA_ACCT; - if (uflags & XFS_QUOTA_GDQ_ACCT) - flags |= XFS_GQUOTA_ACCT; - if (uflags & XFS_QUOTA_UDQ_ENFD) - flags |= XFS_UQUOTA_ENFD; - if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) - flags |= XFS_OQUOTA_ENFD; - return (flags); -} - - -STATIC uint xfs_qm_export_flags( uint flags) { diff --git a/fs/xfs/quota/xfs_quota_priv.h b/fs/xfs/quota/xfs_quota_priv.h index c4fcea600bc..8286b2842b6 100644 --- a/fs/xfs/quota/xfs_quota_priv.h +++ b/fs/xfs/quota/xfs_quota_priv.h @@ -42,34 +42,24 @@ #define XFS_QI_QOFFLOCK(mp) ((mp)->m_quotainfo->qi_quotaofflock) #define XFS_QI_MPL_LIST(mp) ((mp)->m_quotainfo->qi_dqlist) -#define XFS_QI_MPLLOCK(mp) ((mp)->m_quotainfo->qi_dqlist.qh_lock) #define XFS_QI_MPLNEXT(mp) ((mp)->m_quotainfo->qi_dqlist.qh_next) #define XFS_QI_MPLNDQUOTS(mp) ((mp)->m_quotainfo->qi_dqlist.qh_nelems) -#define XQMLCK(h) (mutex_lock(&((h)->qh_lock))) -#define XQMUNLCK(h) (mutex_unlock(&((h)->qh_lock))) -#ifdef DEBUG -struct xfs_dqhash; -static inline int XQMISLCKD(struct xfs_dqhash *h) -{ - if (mutex_trylock(&h->qh_lock)) { - mutex_unlock(&h->qh_lock); - return 0; - } - return 1; -} -#endif - -#define XFS_DQ_HASH_LOCK(h) XQMLCK(h) -#define XFS_DQ_HASH_UNLOCK(h) XQMUNLCK(h) -#define XFS_DQ_IS_HASH_LOCKED(h) XQMISLCKD(h) - -#define xfs_qm_mplist_lock(mp) XQMLCK(&(XFS_QI_MPL_LIST(mp))) -#define xfs_qm_mplist_unlock(mp) XQMUNLCK(&(XFS_QI_MPL_LIST(mp))) -#define XFS_QM_IS_MPLIST_LOCKED(mp) XQMISLCKD(&(XFS_QI_MPL_LIST(mp))) - -#define xfs_qm_freelist_lock(qm) XQMLCK(&((qm)->qm_dqfreelist)) -#define xfs_qm_freelist_unlock(qm) XQMUNLCK(&((qm)->qm_dqfreelist)) +#define xfs_qm_mplist_lock(mp) \ + mutex_lock(&(XFS_QI_MPL_LIST(mp).qh_lock)) +#define xfs_qm_mplist_nowait(mp) \ + mutex_trylock(&(XFS_QI_MPL_LIST(mp).qh_lock)) +#define xfs_qm_mplist_unlock(mp) \ + mutex_unlock(&(XFS_QI_MPL_LIST(mp).qh_lock)) +#define XFS_QM_IS_MPLIST_LOCKED(mp) \ + mutex_is_locked(&(XFS_QI_MPL_LIST(mp).qh_lock)) + +#define xfs_qm_freelist_lock(qm) \ + mutex_lock(&((qm)->qm_dqfreelist.qh_lock)) +#define xfs_qm_freelist_lock_nowait(qm) \ + mutex_trylock(&((qm)->qm_dqfreelist.qh_lock)) +#define xfs_qm_freelist_unlock(qm) \ + mutex_unlock(&((qm)->qm_dqfreelist.qh_lock)) /* * Hash into a bucket in the dquot hash table, based on <mp, id>. diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c index 99611381e74..447173bcf96 100644 --- a/fs/xfs/quota/xfs_trans_dquot.c +++ b/fs/xfs/quota/xfs_trans_dquot.c @@ -624,10 +624,9 @@ xfs_trans_dqresv( xfs_qcnt_t *resbcountp; xfs_quotainfo_t *q = mp->m_quotainfo; - if (! (flags & XFS_QMOPT_DQLOCK)) { - xfs_dqlock(dqp); - } - ASSERT(XFS_DQ_IS_LOCKED(dqp)); + + xfs_dqlock(dqp); + if (flags & XFS_TRANS_DQ_RES_BLKS) { hardlimit = be64_to_cpu(dqp->q_core.d_blk_hardlimit); if (!hardlimit) @@ -740,10 +739,8 @@ xfs_trans_dqresv( ASSERT(dqp->q_res_icount >= be64_to_cpu(dqp->q_core.d_icount)); error_return: - if (! (flags & XFS_QMOPT_DQLOCK)) { - xfs_dqunlock(dqp); - } - return (error); + xfs_dqunlock(dqp); + return error; } @@ -753,8 +750,7 @@ error_return: * grp/prj quotas is important, because this follows a both-or-nothing * approach. * - * flags = XFS_QMOPT_DQLOCK indicate if dquot(s) need to be locked. - * XFS_QMOPT_FORCE_RES evades limit enforcement. Used by chown. + * flags = XFS_QMOPT_FORCE_RES evades limit enforcement. Used by chown. * XFS_QMOPT_ENOSPC returns ENOSPC not EDQUOT. Used by pquota. * XFS_TRANS_DQ_RES_BLKS reserves regular disk blocks * XFS_TRANS_DQ_RES_RTBLKS reserves realtime disk blocks diff --git a/fs/xfs/support/debug.c b/fs/xfs/support/debug.c index ae548296542..3f3610a7ee0 100644 --- a/fs/xfs/support/debug.c +++ b/fs/xfs/support/debug.c @@ -24,6 +24,7 @@ #include "xfs_ag.h" #include "xfs_dmapi.h" #include "xfs_mount.h" +#include "xfs_error.h" static char message[1024]; /* keep it off the stack */ static DEFINE_SPINLOCK(xfs_err_lock); diff --git a/fs/xfs/xfs_ag.h b/fs/xfs/xfs_ag.h index 143d63ecb20..c8641f713ca 100644 --- a/fs/xfs/xfs_ag.h +++ b/fs/xfs/xfs_ag.h @@ -223,8 +223,8 @@ typedef struct xfs_perag be32_to_cpu((a)->agf_levels[XFS_BTNUM_CNTi]), mp)) #define XFS_MIN_FREELIST_PAG(pag,mp) \ (XFS_MIN_FREELIST_RAW( \ - (uint_t)(pag)->pagf_levels[XFS_BTNUM_BNOi], \ - (uint_t)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp)) + (unsigned int)(pag)->pagf_levels[XFS_BTNUM_BNOi], \ + (unsigned int)(pag)->pagf_levels[XFS_BTNUM_CNTi], mp)) #define XFS_AGB_TO_FSB(mp,agno,agbno) \ (((xfs_fsblock_t)(agno) << (mp)->m_sb.sb_agblklog) | (agbno)) diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index 6c323f8a4cd..aa001629b59 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -298,6 +298,26 @@ xfs_attr_shortform_add(xfs_da_args_t *args, int forkoff) } /* + * After the last attribute is removed revert to original inode format, + * making all literal area available to the data fork once more. + */ +STATIC void +xfs_attr_fork_reset( + struct xfs_inode *ip, + struct xfs_trans *tp) +{ + xfs_idestroy_fork(ip, XFS_ATTR_FORK); + ip->i_d.di_forkoff = 0; + ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; + + ASSERT(ip->i_d.di_anextents == 0); + ASSERT(ip->i_afp == NULL); + + ip->i_df.if_ext_max = XFS_IFORK_DSIZE(ip) / sizeof(xfs_bmbt_rec_t); + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); +} + +/* * Remove an attribute from the shortform attribute list structure. */ int @@ -344,22 +364,10 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) */ totsize -= size; if (totsize == sizeof(xfs_attr_sf_hdr_t) && - !(args->op_flags & XFS_DA_OP_ADDNAME) && - (mp->m_flags & XFS_MOUNT_ATTR2) && - (dp->i_d.di_format != XFS_DINODE_FMT_BTREE)) { - /* - * Last attribute now removed, revert to original - * inode format making all literal area available - * to the data fork once more. - */ - xfs_idestroy_fork(dp, XFS_ATTR_FORK); - dp->i_d.di_forkoff = 0; - dp->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; - ASSERT(dp->i_d.di_anextents == 0); - ASSERT(dp->i_afp == NULL); - dp->i_df.if_ext_max = - XFS_IFORK_DSIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t); - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE); + (mp->m_flags & XFS_MOUNT_ATTR2) && + (dp->i_d.di_format != XFS_DINODE_FMT_BTREE) && + !(args->op_flags & XFS_DA_OP_ADDNAME)) { + xfs_attr_fork_reset(dp, args->trans); } else { xfs_idata_realloc(dp, -size, XFS_ATTR_FORK); dp->i_d.di_forkoff = xfs_attr_shortform_bytesfit(dp, totsize); @@ -786,20 +794,7 @@ xfs_attr_leaf_to_shortform(xfs_dabuf_t *bp, xfs_da_args_t *args, int forkoff) if (forkoff == -1) { ASSERT(dp->i_mount->m_flags & XFS_MOUNT_ATTR2); ASSERT(dp->i_d.di_format != XFS_DINODE_FMT_BTREE); - - /* - * Last attribute was removed, revert to original - * inode format making all literal area available - * to the data fork once more. - */ - xfs_idestroy_fork(dp, XFS_ATTR_FORK); - dp->i_d.di_forkoff = 0; - dp->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS; - ASSERT(dp->i_d.di_anextents == 0); - ASSERT(dp->i_afp == NULL); - dp->i_df.if_ext_max = - XFS_IFORK_DSIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t); - xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE); + xfs_attr_fork_reset(dp, args->trans); goto out; } diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index c852cd65aae..27062d0a879 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -6204,7 +6204,7 @@ xfs_bmap_get_bp( return(bp); } -void +STATIC void xfs_check_block( struct xfs_btree_block *block, xfs_mount_t *mp, diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index c45f74ff1a5..9ff6e57a507 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -1503,7 +1503,7 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path, * This is implemented with some source-level loop unrolling. */ xfs_dahash_t -xfs_da_hashname(const uchar_t *name, int namelen) +xfs_da_hashname(const __uint8_t *name, int namelen) { xfs_dahash_t hash; diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h index 70b710c1792..41f27b33204 100644 --- a/fs/xfs/xfs_da_btree.h +++ b/fs/xfs/xfs_da_btree.h @@ -91,9 +91,9 @@ enum xfs_dacmp { * Structure to ease passing around component names. */ typedef struct xfs_da_args { - const uchar_t *name; /* string (maybe not NULL terminated) */ + const __uint8_t *name; /* string (maybe not NULL terminated) */ int namelen; /* length of string (maybe no NULL) */ - uchar_t *value; /* set of bytes (maybe contain NULLs) */ + __uint8_t *value; /* set of bytes (maybe contain NULLs) */ int valuelen; /* length of value */ int flags; /* argument flags (eg: ATTR_NOCREATE) */ xfs_dahash_t hashval; /* hash value of name */ @@ -251,7 +251,7 @@ xfs_daddr_t xfs_da_reada_buf(struct xfs_trans *trans, struct xfs_inode *dp, int xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, xfs_dabuf_t *dead_buf); -uint xfs_da_hashname(const uchar_t *name_string, int name_length); +uint xfs_da_hashname(const __uint8_t *name_string, int name_length); enum xfs_dacmp xfs_da_compname(struct xfs_da_args *args, const char *name, int len); @@ -268,5 +268,6 @@ xfs_daddr_t xfs_da_blkno(xfs_dabuf_t *dabuf); extern struct kmem_zone *xfs_da_state_zone; extern struct kmem_zone *xfs_dabuf_zone; +extern const struct xfs_nameops xfs_default_nameops; #endif /* __XFS_DA_BTREE_H__ */ diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c index f8278cfcc1d..e6d839bddbf 100644 --- a/fs/xfs/xfs_dfrag.c +++ b/fs/xfs/xfs_dfrag.c @@ -79,6 +79,12 @@ xfs_swapext( goto out_put_target_file; } + if (IS_SWAPFILE(file->f_path.dentry->d_inode) || + IS_SWAPFILE(target_file->f_path.dentry->d_inode)) { + error = XFS_ERROR(EINVAL); + goto out_put_target_file; + } + ip = XFS_I(file->f_path.dentry->d_inode); tip = XFS_I(target_file->f_path.dentry->d_inode); @@ -118,19 +124,17 @@ xfs_swap_extents( xfs_bstat_t *sbp = &sxp->sx_stat; xfs_ifork_t *tempifp, *ifp, *tifp; int ilf_fields, tilf_fields; - static uint lock_flags = XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL; int error = 0; int aforkblks = 0; int taforkblks = 0; __uint64_t tmp; - char locked = 0; mp = ip->i_mount; tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL); if (!tempifp) { error = XFS_ERROR(ENOMEM); - goto error0; + goto out; } sbp = &sxp->sx_stat; @@ -143,25 +147,24 @@ xfs_swap_extents( */ xfs_lock_two_inodes(ip, tip, XFS_IOLOCK_EXCL); xfs_lock_two_inodes(ip, tip, XFS_ILOCK_EXCL); - locked = 1; /* Verify that both files have the same format */ if ((ip->i_d.di_mode & S_IFMT) != (tip->i_d.di_mode & S_IFMT)) { error = XFS_ERROR(EINVAL); - goto error0; + goto out_unlock; } /* Verify both files are either real-time or non-realtime */ if (XFS_IS_REALTIME_INODE(ip) != XFS_IS_REALTIME_INODE(tip)) { error = XFS_ERROR(EINVAL); - goto error0; + goto out_unlock; } /* Should never get a local format */ if (ip->i_d.di_format == XFS_DINODE_FMT_LOCAL || tip->i_d.di_format == XFS_DINODE_FMT_LOCAL) { error = XFS_ERROR(EINVAL); - goto error0; + goto out_unlock; } if (VN_CACHED(VFS_I(tip)) != 0) { @@ -169,13 +172,13 @@ xfs_swap_extents( error = xfs_flushinval_pages(tip, 0, -1, FI_REMAPF_LOCKED); if (error) - goto error0; + goto out_unlock; } /* Verify O_DIRECT for ftmp */ if (VN_CACHED(VFS_I(tip)) != 0) { error = XFS_ERROR(EINVAL); - goto error0; + goto out_unlock; } /* Verify all data are being swapped */ @@ -183,7 +186,7 @@ xfs_swap_extents( sxp->sx_length != ip->i_d.di_size || sxp->sx_length != tip->i_d.di_size) { error = XFS_ERROR(EFAULT); - goto error0; + goto out_unlock; } /* @@ -193,7 +196,7 @@ xfs_swap_extents( */ if ( XFS_IFORK_Q(ip) != XFS_IFORK_Q(tip) ) { error = XFS_ERROR(EINVAL); - goto error0; + goto out_unlock; } /* @@ -208,7 +211,7 @@ xfs_swap_extents( (sbp->bs_mtime.tv_sec != ip->i_d.di_mtime.t_sec) || (sbp->bs_mtime.tv_nsec != ip->i_d.di_mtime.t_nsec)) { error = XFS_ERROR(EBUSY); - goto error0; + goto out_unlock; } /* We need to fail if the file is memory mapped. Once we have tossed @@ -219,7 +222,7 @@ xfs_swap_extents( */ if (VN_MAPPED(VFS_I(ip))) { error = XFS_ERROR(EBUSY); - goto error0; + goto out_unlock; } xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -242,8 +245,7 @@ xfs_swap_extents( xfs_iunlock(ip, XFS_IOLOCK_EXCL); xfs_iunlock(tip, XFS_IOLOCK_EXCL); xfs_trans_cancel(tp, 0); - locked = 0; - goto error0; + goto out; } xfs_lock_two_inodes(ip, tip, XFS_ILOCK_EXCL); @@ -253,19 +255,15 @@ xfs_swap_extents( if ( ((XFS_IFORK_Q(ip) != 0) && (ip->i_d.di_anextents > 0)) && (ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL)) { error = xfs_bmap_count_blocks(tp, ip, XFS_ATTR_FORK, &aforkblks); - if (error) { - xfs_trans_cancel(tp, 0); - goto error0; - } + if (error) + goto out_trans_cancel; } if ( ((XFS_IFORK_Q(tip) != 0) && (tip->i_d.di_anextents > 0)) && (tip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL)) { error = xfs_bmap_count_blocks(tp, tip, XFS_ATTR_FORK, &taforkblks); - if (error) { - xfs_trans_cancel(tp, 0); - goto error0; - } + if (error) + goto out_trans_cancel; } /* @@ -332,10 +330,10 @@ xfs_swap_extents( IHOLD(ip); - xfs_trans_ijoin(tp, ip, lock_flags); + xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); IHOLD(tip); - xfs_trans_ijoin(tp, tip, lock_flags); + xfs_trans_ijoin(tp, tip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); xfs_trans_log_inode(tp, ip, ilf_fields); xfs_trans_log_inode(tp, tip, tilf_fields); @@ -344,19 +342,19 @@ xfs_swap_extents( * If this is a synchronous mount, make sure that the * transaction goes to disk before returning to the user. */ - if (mp->m_flags & XFS_MOUNT_WSYNC) { + if (mp->m_flags & XFS_MOUNT_WSYNC) xfs_trans_set_sync(tp); - } error = xfs_trans_commit(tp, XFS_TRANS_SWAPEXT); - locked = 0; - error0: - if (locked) { - xfs_iunlock(ip, lock_flags); - xfs_iunlock(tip, lock_flags); - } - if (tempifp != NULL) - kmem_free(tempifp); +out_unlock: + xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); + xfs_iunlock(tip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); +out: + kmem_free(tempifp); return error; + +out_trans_cancel: + xfs_trans_cancel(tp, 0); + goto out_unlock; } diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c index 1afb12278b8..c657bec6d95 100644 --- a/fs/xfs/xfs_dir2.c +++ b/fs/xfs/xfs_dir2.c @@ -46,8 +46,6 @@ struct xfs_name xfs_name_dotdot = {"..", 2}; -extern const struct xfs_nameops xfs_default_nameops; - /* * ASCII case-insensitive (ie. A-Z) support for directories that was * used in IRIX. diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c index ef805a374ee..6427ff11089 100644 --- a/fs/xfs/xfs_dir2_leaf.c +++ b/fs/xfs/xfs_dir2_leaf.c @@ -549,7 +549,7 @@ xfs_dir2_leaf_addname( * Check the internal consistency of a leaf1 block. * Pop an assert if something is wrong. */ -void +STATIC void xfs_dir2_leaf_check( xfs_inode_t *dp, /* incore directory inode */ xfs_dabuf_t *bp) /* leaf's buffer */ diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h index 2f049f63e85..0d22c56fdf6 100644 --- a/fs/xfs/xfs_extfree_item.h +++ b/fs/xfs/xfs_extfree_item.h @@ -33,12 +33,10 @@ typedef struct xfs_extent { * conversion routine. */ -#ifndef HAVE_FORMAT32 typedef struct xfs_extent_32 { __uint64_t ext_start; __uint32_t ext_len; } __attribute__((packed)) xfs_extent_32_t; -#endif typedef struct xfs_extent_64 { __uint64_t ext_start; @@ -59,7 +57,6 @@ typedef struct xfs_efi_log_format { xfs_extent_t efi_extents[1]; /* array of extents to free */ } xfs_efi_log_format_t; -#ifndef HAVE_FORMAT32 typedef struct xfs_efi_log_format_32 { __uint16_t efi_type; /* efi log item type */ __uint16_t efi_size; /* size of this item */ @@ -67,7 +64,6 @@ typedef struct xfs_efi_log_format_32 { __uint64_t efi_id; /* efi identifier */ xfs_extent_32_t efi_extents[1]; /* array of extents to free */ } __attribute__((packed)) xfs_efi_log_format_32_t; -#endif typedef struct xfs_efi_log_format_64 { __uint16_t efi_type; /* efi log item type */ @@ -90,7 +86,6 @@ typedef struct xfs_efd_log_format { xfs_extent_t efd_extents[1]; /* array of extents freed */ } xfs_efd_log_format_t; -#ifndef HAVE_FORMAT32 typedef struct xfs_efd_log_format_32 { __uint16_t efd_type; /* efd log item type */ __uint16_t efd_size; /* size of this item */ @@ -98,7 +93,6 @@ typedef struct xfs_efd_log_format_32 { __uint64_t efd_efi_id; /* id of corresponding efi */ xfs_extent_32_t efd_extents[1]; /* array of extents freed */ } __attribute__((packed)) xfs_efd_log_format_32_t; -#endif typedef struct xfs_efd_log_format_64 { __uint16_t efd_type; /* efd log item type */ diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index ab016e5ae7b..62d1ceae094 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -230,7 +230,7 @@ xfs_ialloc_ag_alloc( args.minalignslop = xfs_ialloc_cluster_alignment(&args) - 1; /* Allow space for the inode btree to split. */ - args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1; + args.minleft = args.mp->m_in_maxlevels - 1; if ((error = xfs_alloc_vextent(&args))) return error; } else @@ -270,7 +270,7 @@ xfs_ialloc_ag_alloc( /* * Allow space for the inode btree to split. */ - args.minleft = XFS_IN_MAXLEVELS(args.mp) - 1; + args.minleft = args.mp->m_in_maxlevels - 1; if ((error = xfs_alloc_vextent(&args))) return error; } @@ -943,7 +943,7 @@ nextag: ASSERT((XFS_AGINO_TO_OFFSET(mp, rec.ir_startino) % XFS_INODES_PER_CHUNK) == 0); ino = XFS_AGINO_TO_INO(mp, agno, rec.ir_startino + offset); - XFS_INOBT_CLR_FREE(&rec, offset); + rec.ir_free &= ~XFS_INOBT_MASK(offset); rec.ir_freecount--; if ((error = xfs_inobt_update(cur, rec.ir_startino, rec.ir_freecount, rec.ir_free))) @@ -1105,11 +1105,11 @@ xfs_difree( */ off = agino - rec.ir_startino; ASSERT(off >= 0 && off < XFS_INODES_PER_CHUNK); - ASSERT(!XFS_INOBT_IS_FREE(&rec, off)); + ASSERT(!(rec.ir_free & XFS_INOBT_MASK(off))); /* * Mark the inode free & increment the count. */ - XFS_INOBT_SET_FREE(&rec, off); + rec.ir_free |= XFS_INOBT_MASK(off); rec.ir_freecount++; /* diff --git a/fs/xfs/xfs_ialloc_btree.h b/fs/xfs/xfs_ialloc_btree.h index 5580e255ff0..f782ad0c476 100644 --- a/fs/xfs/xfs_ialloc_btree.h +++ b/fs/xfs/xfs_ialloc_btree.h @@ -32,14 +32,14 @@ struct xfs_mount; #define XFS_IBT_MAGIC 0x49414254 /* 'IABT' */ typedef __uint64_t xfs_inofree_t; -#define XFS_INODES_PER_CHUNK (NBBY * sizeof(xfs_inofree_t)) +#define XFS_INODES_PER_CHUNK (NBBY * sizeof(xfs_inofree_t)) #define XFS_INODES_PER_CHUNK_LOG (XFS_NBBYLOG + 3) -#define XFS_INOBT_ALL_FREE ((xfs_inofree_t)-1) +#define XFS_INOBT_ALL_FREE ((xfs_inofree_t)-1) +#define XFS_INOBT_MASK(i) ((xfs_inofree_t)1 << (i)) static inline xfs_inofree_t xfs_inobt_maskn(int i, int n) { - return (((n) >= XFS_INODES_PER_CHUNK ? \ - (xfs_inofree_t)0 : ((xfs_inofree_t)1 << (n))) - 1) << (i); + return ((n >= XFS_INODES_PER_CHUNK ? 0 : XFS_INOBT_MASK(n)) - 1) << i; } /* @@ -69,20 +69,6 @@ typedef struct xfs_inobt_key { typedef __be32 xfs_inobt_ptr_t; /* - * Bit manipulations for ir_free. - */ -#define XFS_INOBT_MASK(i) ((xfs_inofree_t)1 << (i)) -#define XFS_INOBT_IS_FREE(rp,i) \ - (((rp)->ir_free & XFS_INOBT_MASK(i)) != 0) -#define XFS_INOBT_SET_FREE(rp,i) ((rp)->ir_free |= XFS_INOBT_MASK(i)) -#define XFS_INOBT_CLR_FREE(rp,i) ((rp)->ir_free &= ~XFS_INOBT_MASK(i)) - -/* - * Maximum number of inode btree levels. - */ -#define XFS_IN_MAXLEVELS(mp) ((mp)->m_in_maxlevels) - -/* * block numbers in the AG. */ #define XFS_IBT_BLOCK(mp) ((xfs_agblock_t)(XFS_CNT_BLOCK(mp) + 1)) diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h index 9957d0602d5..a52ac125f05 100644 --- a/fs/xfs/xfs_inode_item.h +++ b/fs/xfs/xfs_inode_item.h @@ -40,7 +40,6 @@ typedef struct xfs_inode_log_format { __int32_t ilf_boffset; /* off of inode in buffer */ } xfs_inode_log_format_t; -#ifndef HAVE_FORMAT32 typedef struct xfs_inode_log_format_32 { __uint16_t ilf_type; /* inode log item type */ __uint16_t ilf_size; /* size of this item */ @@ -56,7 +55,6 @@ typedef struct xfs_inode_log_format_32 { __int32_t ilf_len; /* len of inode buffer */ __int32_t ilf_boffset; /* off of inode in buffer */ } __attribute__((packed)) xfs_inode_log_format_32_t; -#endif typedef struct xfs_inode_log_format_64 { __uint16_t ilf_type; /* inode log item type */ diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index f4726f702a9..c8f30089772 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -574,7 +574,7 @@ xfs_log_mount( error = xfs_trans_ail_init(mp); if (error) { cmn_err(CE_WARN, "XFS: AIL initialisation failed: error %d", error); - goto error; + goto out_free_log; } mp->m_log->l_ailp = mp->m_ail; @@ -594,20 +594,22 @@ xfs_log_mount( mp->m_flags |= XFS_MOUNT_RDONLY; if (error) { cmn_err(CE_WARN, "XFS: log mount/recovery failed: error %d", error); - goto error; + goto out_destroy_ail; } } /* Normal transactions can now occur */ mp->m_log->l_flags &= ~XLOG_ACTIVE_RECOVERY; - /* End mounting message in xfs_log_mount_finish */ return 0; -error: - xfs_log_unmount_dealloc(mp); + +out_destroy_ail: + xfs_trans_ail_destroy(mp); +out_free_log: + xlog_dealloc_log(mp->m_log); out: return error; -} /* xfs_log_mount */ +} /* * Finish the recovery of the file system. This is separate from @@ -1164,32 +1166,8 @@ xlog_get_iclog_buffer_size(xfs_mount_t *mp, log->l_iclog_hsize = BBSIZE; log->l_iclog_heads = 1; - /* - * For 16KB, we use 3 32KB buffers. For 32KB block sizes, we use - * 4 32KB buffers. For 64KB block sizes, we use 8 32KB buffers. - */ - if (mp->m_sb.sb_blocksize >= 16*1024) { - log->l_iclog_size = XLOG_BIG_RECORD_BSIZE; - log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT; - if (mp->m_logbufs <= 0) { - switch (mp->m_sb.sb_blocksize) { - case 16*1024: /* 16 KB */ - log->l_iclog_bufs = 3; - break; - case 32*1024: /* 32 KB */ - log->l_iclog_bufs = 4; - break; - case 64*1024: /* 64 KB */ - log->l_iclog_bufs = 8; - break; - default: - xlog_panic("XFS: Invalid blocksize"); - break; - } - } - } - -done: /* are we being asked to make the sizes selected above visible? */ +done: + /* are we being asked to make the sizes selected above visible? */ if (mp->m_logbufs == 0) mp->m_logbufs = log->l_iclog_bufs; if (mp->m_logbsize == 0) diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 654167be0ef..3670d48fd77 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -359,7 +359,7 @@ typedef struct xlog_in_core { int ic_size; int ic_offset; int ic_bwritecnt; - ushort_t ic_state; + unsigned short ic_state; char *ic_datap; /* pointer to iclog data */ #ifdef XFS_LOG_TRACE struct ktrace *ic_trace; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 61af610d79b..ceeba45e022 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -211,11 +211,11 @@ xlog_header_check_dump( cmn_err(CE_DEBUG, "%s: SB : uuid = ", __func__); for (b = 0; b < 16; b++) - cmn_err(CE_DEBUG, "%02x", ((uchar_t *)&mp->m_sb.sb_uuid)[b]); + cmn_err(CE_DEBUG, "%02x", ((__uint8_t *)&mp->m_sb.sb_uuid)[b]); cmn_err(CE_DEBUG, ", fmt = %d\n", XLOG_FMT); cmn_err(CE_DEBUG, " log : uuid = "); for (b = 0; b < 16; b++) - cmn_err(CE_DEBUG, "%02x",((uchar_t *)&head->h_fs_uuid)[b]); + cmn_err(CE_DEBUG, "%02x", ((__uint8_t *)&head->h_fs_uuid)[b]); cmn_err(CE_DEBUG, ", fmt = %d\n", be32_to_cpu(head->h_fmt)); } #else diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 35300250e86..664961e45e0 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -886,8 +886,6 @@ xfs_check_sizes(xfs_mount_t *mp) } /* - * xfs_mountfs - * * This function does the following on an initial mount of a file system: * - reads the superblock from disk and init the mount struct * - if we're a 32-bit kernel, do a size check on the superblock @@ -905,7 +903,6 @@ xfs_mountfs( xfs_inode_t *rip; __uint64_t resblks; uint quotamount, quotaflags; - int uuid_mounted = 0; int error = 0; xfs_mount_common(mp, sbp); @@ -960,7 +957,7 @@ xfs_mountfs( */ error = xfs_update_alignment(mp); if (error) - goto error1; + goto out; xfs_alloc_compute_maxlevels(mp); xfs_bmap_compute_maxlevels(mp, XFS_DATA_FORK); @@ -977,12 +974,11 @@ xfs_mountfs( * since a single partition filesystem is identical to a single * partition volume/filesystem. */ - if ((mp->m_flags & XFS_MOUNT_NOUUID) == 0) { + if (!(mp->m_flags & XFS_MOUNT_NOUUID)) { if (xfs_uuid_mount(mp)) { error = XFS_ERROR(EINVAL); - goto error1; + goto out; } - uuid_mounted=1; } /* @@ -1007,7 +1003,7 @@ xfs_mountfs( */ error = xfs_check_sizes(mp); if (error) - goto error1; + goto out_remove_uuid; /* * Initialize realtime fields in the mount structure @@ -1015,7 +1011,7 @@ xfs_mountfs( error = xfs_rtmount_init(mp); if (error) { cmn_err(CE_WARN, "XFS: RT mount failed"); - goto error1; + goto out_remove_uuid; } /* @@ -1045,26 +1041,26 @@ xfs_mountfs( mp->m_perag = kmem_zalloc(sbp->sb_agcount * sizeof(xfs_perag_t), KM_MAYFAIL); if (!mp->m_perag) - goto error1; + goto out_remove_uuid; mp->m_maxagi = xfs_initialize_perag(mp, sbp->sb_agcount); + if (!sbp->sb_logblocks) { + cmn_err(CE_WARN, "XFS: no log defined"); + XFS_ERROR_REPORT("xfs_mountfs", XFS_ERRLEVEL_LOW, mp); + error = XFS_ERROR(EFSCORRUPTED); + goto out_free_perag; + } + /* * log's mount-time initialization. Perform 1st part recovery if needed */ - if (likely(sbp->sb_logblocks > 0)) { /* check for volume case */ - error = xfs_log_mount(mp, mp->m_logdev_targp, - XFS_FSB_TO_DADDR(mp, sbp->sb_logstart), - XFS_FSB_TO_BB(mp, sbp->sb_logblocks)); - if (error) { - cmn_err(CE_WARN, "XFS: log mount failed"); - goto error2; - } - } else { /* No log has been defined */ - cmn_err(CE_WARN, "XFS: no log defined"); - XFS_ERROR_REPORT("xfs_mountfs_int(1)", XFS_ERRLEVEL_LOW, mp); - error = XFS_ERROR(EFSCORRUPTED); - goto error2; + error = xfs_log_mount(mp, mp->m_logdev_targp, + XFS_FSB_TO_DADDR(mp, sbp->sb_logstart), + XFS_FSB_TO_BB(mp, sbp->sb_logblocks)); + if (error) { + cmn_err(CE_WARN, "XFS: log mount failed"); + goto out_free_perag; } /* @@ -1086,15 +1082,14 @@ xfs_mountfs( * If we are currently making the filesystem, the initialisation will * fail as the perag data is in an undefined state. */ - if (xfs_sb_version_haslazysbcount(&mp->m_sb) && !XFS_LAST_UNMOUNT_WAS_CLEAN(mp) && !mp->m_sb.sb_inprogress) { error = xfs_initialize_perag_data(mp, sbp->sb_agcount); - if (error) { - goto error2; - } + if (error) + goto out_free_perag; } + /* * Get and sanity-check the root inode. * Save the pointer to it in the mount structure. @@ -1102,7 +1097,7 @@ xfs_mountfs( error = xfs_iget(mp, NULL, sbp->sb_rootino, 0, XFS_ILOCK_EXCL, &rip, 0); if (error) { cmn_err(CE_WARN, "XFS: failed to read root inode"); - goto error3; + goto out_log_dealloc; } ASSERT(rip != NULL); @@ -1116,7 +1111,7 @@ xfs_mountfs( XFS_ERROR_REPORT("xfs_mountfs_int(2)", XFS_ERRLEVEL_LOW, mp); error = XFS_ERROR(EFSCORRUPTED); - goto error4; + goto out_rele_rip; } mp->m_rootip = rip; /* save it */ @@ -1131,7 +1126,7 @@ xfs_mountfs( * Free up the root inode. */ cmn_err(CE_WARN, "XFS: failed to read RT inodes"); - goto error4; + goto out_rele_rip; } /* @@ -1143,7 +1138,7 @@ xfs_mountfs( error = xfs_mount_log_sb(mp, mp->m_update_flags); if (error) { cmn_err(CE_WARN, "XFS: failed to write sb changes"); - goto error4; + goto out_rtunmount; } } @@ -1152,7 +1147,7 @@ xfs_mountfs( */ error = XFS_QM_INIT(mp, "amount, "aflags); if (error) - goto error4; + goto out_rtunmount; /* * Finish recovering the file system. This part needed to be @@ -1162,7 +1157,7 @@ xfs_mountfs( error = xfs_log_mount_finish(mp); if (error) { cmn_err(CE_WARN, "XFS: log mount finish failed"); - goto error4; + goto out_rtunmount; } /* @@ -1170,7 +1165,7 @@ xfs_mountfs( */ error = XFS_QM_MOUNT(mp, quotamount, quotaflags); if (error) - goto error4; + goto out_rtunmount; /* * Now we are mounted, reserve a small amount of unused space for @@ -1194,18 +1189,18 @@ xfs_mountfs( return 0; - error4: - /* - * Free up the root inode. - */ + out_rtunmount: + xfs_rtunmount_inodes(mp); + out_rele_rip: IRELE(rip); - error3: + out_log_dealloc: xfs_log_unmount_dealloc(mp); - error2: + out_free_perag: xfs_free_perag(mp); - error1: - if (uuid_mounted) + out_remove_uuid: + if (!(mp->m_flags & XFS_MOUNT_NOUUID)) uuid_table_remove(&mp->m_sb.sb_uuid); + out: return error; } @@ -1226,10 +1221,7 @@ xfs_unmountfs( */ XFS_QM_UNMOUNT(mp); - if (mp->m_rbmip) - IRELE(mp->m_rbmip); - if (mp->m_rsumip) - IRELE(mp->m_rsumip); + xfs_rtunmount_inodes(mp); IRELE(mp->m_rootip); /* diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index f5e9937f9bd..1438dd4dc90 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -136,7 +136,6 @@ typedef int (*xfs_dqvopchownresv_t)(struct xfs_trans *, struct xfs_inode *, struct xfs_dquot *, struct xfs_dquot *, uint); typedef void (*xfs_dqstatvfs_t)(struct xfs_inode *, struct kstatfs *); typedef int (*xfs_dqsync_t)(struct xfs_mount *, int flags); -typedef int (*xfs_quotactl_t)(struct xfs_mount *, int, int, xfs_caddr_t); typedef struct xfs_qmops { xfs_qminit_t xfs_qminit; @@ -154,7 +153,6 @@ typedef struct xfs_qmops { xfs_dqvopchownresv_t xfs_dqvopchownresv; xfs_dqstatvfs_t xfs_dqstatvfs; xfs_dqsync_t xfs_dqsync; - xfs_quotactl_t xfs_quotactl; struct xfs_dqtrxops *xfs_dqtrxops; } xfs_qmops_t; @@ -188,8 +186,6 @@ typedef struct xfs_qmops { (*(ip)->i_mount->m_qm_ops->xfs_dqstatvfs)(ip, statp) #define XFS_QM_DQSYNC(mp, flags) \ (*(mp)->m_qm_ops->xfs_dqsync)(mp, flags) -#define XFS_QM_QUOTACTL(mp, cmd, id, addr) \ - (*(mp)->m_qm_ops->xfs_quotactl)(mp, cmd, id, addr) #ifdef HAVE_PERCPU_SB @@ -273,7 +269,7 @@ typedef struct xfs_mount { uint m_inobt_mnr[2]; /* min inobt btree records */ uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */ uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */ - uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */ + uint m_in_maxlevels; /* max inobt btree levels. */ struct xfs_perag *m_perag; /* per-ag accounting info */ struct rw_semaphore m_peraglock; /* lock for m_perag (pointer) */ struct mutex m_growlock; /* growfs mutex */ @@ -500,9 +496,6 @@ typedef struct xfs_mod_sb { int64_t msb_delta; /* Change to make to specified field */ } xfs_mod_sb_t; -#define XFS_MOUNT_ILOCK(mp) mutex_lock(&((mp)->m_ilock)) -#define XFS_MOUNT_IUNLOCK(mp) mutex_unlock(&((mp)->m_ilock)) - extern int xfs_log_sbcount(xfs_mount_t *, uint); extern int xfs_mountfs(xfs_mount_t *mp); extern void xfs_mountfs_check_barriers(xfs_mount_t *mp); diff --git a/fs/xfs/xfs_qmops.c b/fs/xfs/xfs_qmops.c index 27f80581520..e101790ea8e 100644 --- a/fs/xfs/xfs_qmops.c +++ b/fs/xfs/xfs_qmops.c @@ -126,7 +126,6 @@ static struct xfs_qmops xfs_qmcore_stub = { .xfs_dqvopchownresv = (xfs_dqvopchownresv_t) fs_noerr, .xfs_dqstatvfs = (xfs_dqstatvfs_t) fs_noval, .xfs_dqsync = (xfs_dqsync_t) fs_noerr, - .xfs_quotactl = (xfs_quotactl_t) fs_nosys, }; int diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index 48965ecaa15..f5d1202dde2 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -18,6 +18,8 @@ #ifndef __XFS_QUOTA_H__ #define __XFS_QUOTA_H__ +struct xfs_trans; + /* * The ondisk form of a dquot structure. */ @@ -185,7 +187,6 @@ typedef struct xfs_qoff_logformat { * to a single function. None of these XFS_QMOPT_* flags are meant to have * persistent values (ie. their values can and will change between versions) */ -#define XFS_QMOPT_DQLOCK 0x0000001 /* dqlock */ #define XFS_QMOPT_DQALLOC 0x0000002 /* alloc dquot ondisk if needed */ #define XFS_QMOPT_UQUOTA 0x0000004 /* user dquot requested */ #define XFS_QMOPT_PQUOTA 0x0000008 /* project dquot requested */ diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c index c5bb86f3ec0..385f6dceba5 100644 --- a/fs/xfs/xfs_rtalloc.c +++ b/fs/xfs/xfs_rtalloc.c @@ -2288,6 +2288,16 @@ xfs_rtmount_inodes( return 0; } +void +xfs_rtunmount_inodes( + struct xfs_mount *mp) +{ + if (mp->m_rbmip) + IRELE(mp->m_rbmip); + if (mp->m_rsumip) + IRELE(mp->m_rsumip); +} + /* * Pick an extent for allocation at the start of a new realtime file. * Use the sequence number stored in the atime field of the bitmap inode. diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h index 8d8dcd21571..3bac681218a 100644 --- a/fs/xfs/xfs_rtalloc.h +++ b/fs/xfs/xfs_rtalloc.h @@ -108,6 +108,9 @@ xfs_rtfree_extent( int /* error */ xfs_rtmount_init( struct xfs_mount *mp); /* file system mount structure */ +void +xfs_rtunmount_inodes( + struct xfs_mount *mp); /* * Get the bitmap and summary inodes into the mount structure @@ -146,6 +149,7 @@ xfs_growfs_rt( # define xfs_growfs_rt(mp,in) (ENOSYS) # define xfs_rtmount_init(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS)) # define xfs_rtmount_inodes(m) (((mp)->m_sb.sb_rblocks == 0)? 0 : (ENOSYS)) +# define xfs_rtunmount_inodes(m) #endif /* CONFIG_XFS_RT */ #endif /* __KERNEL__ */ diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h index d6fe4a88d79..166f728bea7 100644 --- a/fs/xfs/xfs_trans.h +++ b/fs/xfs/xfs_trans.h @@ -343,7 +343,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \ (128 * 5) + \ XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ + (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate) @@ -449,9 +449,9 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \ (2 * (mp)->m_sb.sb_sectsize + \ XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ - XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ + XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ + (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink) @@ -481,9 +481,9 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \ (3 * (mp)->m_sb.sb_sectsize + \ XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \ - XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \ + XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \ XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ + (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ XFS_ALLOCFREE_LOG_COUNT(mp, 1)))))) #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create) @@ -513,7 +513,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp) MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \ (128 * 5) + \ XFS_ALLOCFREE_LOG_RES(mp, 1) + \ - (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \ + (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \ XFS_ALLOCFREE_LOG_COUNT(mp, 1)))) diff --git a/fs/xfs/xfs_trans_space.h b/fs/xfs/xfs_trans_space.h index 4ea2e5074bd..7d2c920dfb9 100644 --- a/fs/xfs/xfs_trans_space.h +++ b/fs/xfs/xfs_trans_space.h @@ -47,7 +47,7 @@ #define XFS_DIRREMOVE_SPACE_RES(mp) \ XFS_DAREMOVE_SPACE_RES(mp, XFS_DATA_FORK) #define XFS_IALLOC_SPACE_RES(mp) \ - (XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp)-1) + (XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels - 1) /* * Space reservation values for various transactions. diff --git a/fs/xfs/xfs_types.h b/fs/xfs/xfs_types.h index b2f724502f1..d725428c9df 100644 --- a/fs/xfs/xfs_types.h +++ b/fs/xfs/xfs_types.h @@ -21,14 +21,6 @@ #ifdef __KERNEL__ /* - * POSIX Extensions - */ -typedef unsigned char uchar_t; -typedef unsigned short ushort_t; -typedef unsigned int uint_t; -typedef unsigned long ulong_t; - -/* * Additional type declarations for XFS */ typedef signed char __int8_t; diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 0e55c5d7db5..59de04954bc 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -1387,23 +1387,28 @@ xfs_create( xfs_inode_t **ipp, cred_t *credp) { - xfs_mount_t *mp = dp->i_mount; - xfs_inode_t *ip; - xfs_trans_t *tp; + int is_dir = S_ISDIR(mode); + struct xfs_mount *mp = dp->i_mount; + struct xfs_inode *ip = NULL; + struct xfs_trans *tp = NULL; int error; xfs_bmap_free_t free_list; xfs_fsblock_t first_block; boolean_t unlock_dp_on_error = B_FALSE; - int dm_event_sent = 0; uint cancel_flags; int committed; xfs_prid_t prid; - struct xfs_dquot *udqp, *gdqp; + struct xfs_dquot *udqp = NULL; + struct xfs_dquot *gdqp = NULL; uint resblks; + uint log_res; + uint log_count; - ASSERT(!*ipp); xfs_itrace_entry(dp); + if (XFS_FORCED_SHUTDOWN(mp)) + return XFS_ERROR(EIO); + if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) { error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE, dp, DM_RIGHT_NULL, NULL, @@ -1412,84 +1417,97 @@ xfs_create( if (error) return error; - dm_event_sent = 1; } - if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); - - /* Return through std_return after this point. */ - - udqp = gdqp = NULL; if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) prid = dp->i_d.di_projid; else - prid = (xfs_prid_t)dfltprid; + prid = dfltprid; /* * Make sure that we have allocated dquot(s) on disk. */ error = XFS_QM_DQVOPALLOC(mp, dp, current_fsuid(), current_fsgid(), prid, - XFS_QMOPT_QUOTALL|XFS_QMOPT_INHERIT, &udqp, &gdqp); + XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp); if (error) goto std_return; - ip = NULL; + if (is_dir) { + rdev = 0; + resblks = XFS_MKDIR_SPACE_RES(mp, name->len); + log_res = XFS_MKDIR_LOG_RES(mp); + log_count = XFS_MKDIR_LOG_COUNT; + tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR); + } else { + resblks = XFS_CREATE_SPACE_RES(mp, name->len); + log_res = XFS_CREATE_LOG_RES(mp); + log_count = XFS_CREATE_LOG_COUNT; + tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE); + } - tp = xfs_trans_alloc(mp, XFS_TRANS_CREATE); cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - resblks = XFS_CREATE_SPACE_RES(mp, name->len); + /* * Initially assume that the file does not exist and * reserve the resources for that case. If that is not * the case we'll drop the one we have and get a more * appropriate transaction later. */ - error = xfs_trans_reserve(tp, resblks, XFS_CREATE_LOG_RES(mp), 0, - XFS_TRANS_PERM_LOG_RES, XFS_CREATE_LOG_COUNT); + error = xfs_trans_reserve(tp, resblks, log_res, 0, + XFS_TRANS_PERM_LOG_RES, log_count); if (error == ENOSPC) { resblks = 0; - error = xfs_trans_reserve(tp, 0, XFS_CREATE_LOG_RES(mp), 0, - XFS_TRANS_PERM_LOG_RES, XFS_CREATE_LOG_COUNT); + error = xfs_trans_reserve(tp, 0, log_res, 0, + XFS_TRANS_PERM_LOG_RES, log_count); } if (error) { cancel_flags = 0; - goto error_return; + goto out_trans_cancel; } xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); unlock_dp_on_error = B_TRUE; - xfs_bmap_init(&free_list, &first_block); + /* + * Check for directory link count overflow. + */ + if (is_dir && dp->i_d.di_nlink >= XFS_MAXLINK) { + error = XFS_ERROR(EMLINK); + goto out_trans_cancel; + } - ASSERT(ip == NULL); + xfs_bmap_init(&free_list, &first_block); /* * Reserve disk quota and the inode. */ error = XFS_TRANS_RESERVE_QUOTA(mp, tp, udqp, gdqp, resblks, 1, 0); if (error) - goto error_return; + goto out_trans_cancel; error = xfs_dir_canenter(tp, dp, name, resblks); if (error) - goto error_return; - error = xfs_dir_ialloc(&tp, dp, mode, 1, - rdev, credp, prid, resblks > 0, - &ip, &committed); + goto out_trans_cancel; + + /* + * A newly created regular or special file just has one directory + * entry pointing to them, but a directory also the "." entry + * pointing to itself. + */ + error = xfs_dir_ialloc(&tp, dp, mode, is_dir ? 2 : 1, rdev, credp, + prid, resblks > 0, &ip, &committed); if (error) { if (error == ENOSPC) - goto error_return; - goto abort_return; + goto out_trans_cancel; + goto out_trans_abort; } - xfs_itrace_ref(ip); /* * At this point, we've gotten a newly allocated inode. * It is locked (and joined to the transaction). */ - + xfs_itrace_ref(ip); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); /* @@ -1508,19 +1526,28 @@ xfs_create( resblks - XFS_IALLOC_SPACE_RES(mp) : 0); if (error) { ASSERT(error != ENOSPC); - goto abort_return; + goto out_trans_abort; } xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); + if (is_dir) { + error = xfs_dir_init(tp, ip, dp); + if (error) + goto out_bmap_cancel; + + error = xfs_bumplink(tp, dp); + if (error) + goto out_bmap_cancel; + } + /* * If this is a synchronous mount, make sure that the * create transaction goes to disk before returning to * the user. */ - if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) { + if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) xfs_trans_set_sync(tp); - } /* * Attach the dquot(s) to the inodes and modify them incore. @@ -1537,16 +1564,13 @@ xfs_create( IHOLD(ip); error = xfs_bmap_finish(&tp, &free_list, &committed); - if (error) { - xfs_bmap_cancel(&free_list); - goto abort_rele; - } + if (error) + goto out_abort_rele; error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); if (error) { IRELE(ip); - tp = NULL; - goto error_return; + goto out_dqrele; } XFS_QM_DQRELE(mp, udqp); @@ -1555,26 +1579,22 @@ xfs_create( *ipp = ip; /* Fallthrough to std_return with error = 0 */ - -std_return: - if ((*ipp || (error != 0 && dm_event_sent != 0)) && - DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { - (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, - dp, DM_RIGHT_NULL, - *ipp ? ip : NULL, - DM_RIGHT_NULL, name->name, NULL, - mode, error, 0); + std_return: + if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { + XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, dp, DM_RIGHT_NULL, + ip, DM_RIGHT_NULL, name->name, NULL, mode, + error, 0); } + return error; - abort_return: + out_bmap_cancel: + xfs_bmap_cancel(&free_list); + out_trans_abort: cancel_flags |= XFS_TRANS_ABORT; - /* FALLTHROUGH */ - - error_return: - if (tp != NULL) - xfs_trans_cancel(tp, cancel_flags); - + out_trans_cancel: + xfs_trans_cancel(tp, cancel_flags); + out_dqrele: XFS_QM_DQRELE(mp, udqp); XFS_QM_DQRELE(mp, gdqp); @@ -1583,20 +1603,18 @@ std_return: goto std_return; - abort_rele: + out_abort_rele: /* * Wait until after the current transaction is aborted to * release the inode. This prevents recursive transactions * and deadlocks from xfs_inactive. */ + xfs_bmap_cancel(&free_list); cancel_flags |= XFS_TRANS_ABORT; xfs_trans_cancel(tp, cancel_flags); IRELE(ip); - - XFS_QM_DQRELE(mp, udqp); - XFS_QM_DQRELE(mp, gdqp); - - goto std_return; + unlock_dp_on_error = B_FALSE; + goto out_dqrele; } #ifdef DEBUG @@ -2004,8 +2022,10 @@ xfs_link( /* Return through std_return after this point. */ error = XFS_QM_DQATTACH(mp, sip, 0); - if (!error && sip != tdp) - error = XFS_QM_DQATTACH(mp, tdp, 0); + if (error) + goto std_return; + + error = XFS_QM_DQATTACH(mp, tdp, 0); if (error) goto std_return; @@ -2110,209 +2130,6 @@ std_return: goto std_return; } - -int -xfs_mkdir( - xfs_inode_t *dp, - struct xfs_name *dir_name, - mode_t mode, - xfs_inode_t **ipp, - cred_t *credp) -{ - xfs_mount_t *mp = dp->i_mount; - xfs_inode_t *cdp; /* inode of created dir */ - xfs_trans_t *tp; - int cancel_flags; - int error; - int committed; - xfs_bmap_free_t free_list; - xfs_fsblock_t first_block; - boolean_t unlock_dp_on_error = B_FALSE; - boolean_t created = B_FALSE; - int dm_event_sent = 0; - xfs_prid_t prid; - struct xfs_dquot *udqp, *gdqp; - uint resblks; - - if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); - - tp = NULL; - - if (DM_EVENT_ENABLED(dp, DM_EVENT_CREATE)) { - error = XFS_SEND_NAMESP(mp, DM_EVENT_CREATE, - dp, DM_RIGHT_NULL, NULL, - DM_RIGHT_NULL, dir_name->name, NULL, - mode, 0, 0); - if (error) - return error; - dm_event_sent = 1; - } - - /* Return through std_return after this point. */ - - xfs_itrace_entry(dp); - - mp = dp->i_mount; - udqp = gdqp = NULL; - if (dp->i_d.di_flags & XFS_DIFLAG_PROJINHERIT) - prid = dp->i_d.di_projid; - else - prid = (xfs_prid_t)dfltprid; - - /* - * Make sure that we have allocated dquot(s) on disk. - */ - error = XFS_QM_DQVOPALLOC(mp, dp, - current_fsuid(), current_fsgid(), prid, - XFS_QMOPT_QUOTALL | XFS_QMOPT_INHERIT, &udqp, &gdqp); - if (error) - goto std_return; - - tp = xfs_trans_alloc(mp, XFS_TRANS_MKDIR); - cancel_flags = XFS_TRANS_RELEASE_LOG_RES; - resblks = XFS_MKDIR_SPACE_RES(mp, dir_name->len); - error = xfs_trans_reserve(tp, resblks, XFS_MKDIR_LOG_RES(mp), 0, - XFS_TRANS_PERM_LOG_RES, XFS_MKDIR_LOG_COUNT); - if (error == ENOSPC) { - resblks = 0; - error = xfs_trans_reserve(tp, 0, XFS_MKDIR_LOG_RES(mp), 0, - XFS_TRANS_PERM_LOG_RES, - XFS_MKDIR_LOG_COUNT); - } - if (error) { - cancel_flags = 0; - goto error_return; - } - - xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT); - unlock_dp_on_error = B_TRUE; - - /* - * Check for directory link count overflow. - */ - if (dp->i_d.di_nlink >= XFS_MAXLINK) { - error = XFS_ERROR(EMLINK); - goto error_return; - } - - /* - * Reserve disk quota and the inode. - */ - error = XFS_TRANS_RESERVE_QUOTA(mp, tp, udqp, gdqp, resblks, 1, 0); - if (error) - goto error_return; - - error = xfs_dir_canenter(tp, dp, dir_name, resblks); - if (error) - goto error_return; - /* - * create the directory inode. - */ - error = xfs_dir_ialloc(&tp, dp, mode, 2, - 0, credp, prid, resblks > 0, - &cdp, NULL); - if (error) { - if (error == ENOSPC) - goto error_return; - goto abort_return; - } - xfs_itrace_ref(cdp); - - /* - * Now we add the directory inode to the transaction. - * We waited until now since xfs_dir_ialloc might start - * a new transaction. Had we joined the transaction - * earlier, the locks might have gotten released. An error - * from here on will result in the transaction cancel - * unlocking dp so don't do it explicitly in the error path. - */ - IHOLD(dp); - xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL); - unlock_dp_on_error = B_FALSE; - - xfs_bmap_init(&free_list, &first_block); - - error = xfs_dir_createname(tp, dp, dir_name, cdp->i_ino, - &first_block, &free_list, resblks ? - resblks - XFS_IALLOC_SPACE_RES(mp) : 0); - if (error) { - ASSERT(error != ENOSPC); - goto error1; - } - xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); - - error = xfs_dir_init(tp, cdp, dp); - if (error) - goto error2; - - error = xfs_bumplink(tp, dp); - if (error) - goto error2; - - created = B_TRUE; - - *ipp = cdp; - IHOLD(cdp); - - /* - * Attach the dquots to the new inode and modify the icount incore. - */ - XFS_QM_DQVOPCREATE(mp, tp, cdp, udqp, gdqp); - - /* - * If this is a synchronous mount, make sure that the - * mkdir transaction goes to disk before returning to - * the user. - */ - if (mp->m_flags & (XFS_MOUNT_WSYNC|XFS_MOUNT_DIRSYNC)) { - xfs_trans_set_sync(tp); - } - - error = xfs_bmap_finish(&tp, &free_list, &committed); - if (error) { - IRELE(cdp); - goto error2; - } - - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); - XFS_QM_DQRELE(mp, udqp); - XFS_QM_DQRELE(mp, gdqp); - if (error) { - IRELE(cdp); - } - - /* Fall through to std_return with error = 0 or errno from - * xfs_trans_commit. */ - -std_return: - if ((created || (error != 0 && dm_event_sent != 0)) && - DM_EVENT_ENABLED(dp, DM_EVENT_POSTCREATE)) { - (void) XFS_SEND_NAMESP(mp, DM_EVENT_POSTCREATE, - dp, DM_RIGHT_NULL, - created ? cdp : NULL, - DM_RIGHT_NULL, - dir_name->name, NULL, - mode, error, 0); - } - return error; - - error2: - error1: - xfs_bmap_cancel(&free_list); - abort_return: - cancel_flags |= XFS_TRANS_ABORT; - error_return: - xfs_trans_cancel(tp, cancel_flags); - XFS_QM_DQRELE(mp, udqp); - XFS_QM_DQRELE(mp, gdqp); - - if (unlock_dp_on_error) - xfs_iunlock(dp, XFS_ILOCK_EXCL); - - goto std_return; -} - int xfs_symlink( xfs_inode_t *dp, @@ -2587,51 +2404,6 @@ std_return: } int -xfs_inode_flush( - xfs_inode_t *ip, - int flags) -{ - xfs_mount_t *mp = ip->i_mount; - int error = 0; - - if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); - - /* - * Bypass inodes which have already been cleaned by - * the inode flush clustering code inside xfs_iflush - */ - if (xfs_inode_clean(ip)) - return 0; - - /* - * We make this non-blocking if the inode is contended, - * return EAGAIN to indicate to the caller that they - * did not succeed. This prevents the flush path from - * blocking on inodes inside another operation right - * now, they get caught later by xfs_sync. - */ - if (flags & FLUSH_SYNC) { - xfs_ilock(ip, XFS_ILOCK_SHARED); - xfs_iflock(ip); - } else if (xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) { - if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) { - xfs_iunlock(ip, XFS_ILOCK_SHARED); - return EAGAIN; - } - } else { - return EAGAIN; - } - - error = xfs_iflush(ip, (flags & FLUSH_SYNC) ? XFS_IFLUSH_SYNC - : XFS_IFLUSH_ASYNC_NOBLOCK); - xfs_iunlock(ip, XFS_ILOCK_SHARED); - - return error; -} - - -int xfs_set_dmattrs( xfs_inode_t *ip, u_int evmask, diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h index 76df328c61b..04373c6c61f 100644 --- a/fs/xfs/xfs_vnodeops.h +++ b/fs/xfs/xfs_vnodeops.h @@ -31,14 +31,11 @@ int xfs_remove(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode *ip); int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip, struct xfs_name *target_name); -int xfs_mkdir(struct xfs_inode *dp, struct xfs_name *dir_name, - mode_t mode, struct xfs_inode **ipp, cred_t *credp); int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize, xfs_off_t *offset, filldir_t filldir); int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name, const char *target_path, mode_t mode, struct xfs_inode **ipp, cred_t *credp); -int xfs_inode_flush(struct xfs_inode *ip, int flags); int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state); int xfs_reclaim(struct xfs_inode *ip); int xfs_change_file_space(struct xfs_inode *ip, int cmd, |