diff options
Diffstat (limited to 'fs/ocfs2')
| -rw-r--r-- | fs/ocfs2/alloc.c | 300 | ||||
| -rw-r--r-- | fs/ocfs2/alloc.h | 111 | ||||
| -rw-r--r-- | fs/ocfs2/aops.c | 16 | ||||
| -rw-r--r-- | fs/ocfs2/dir.c | 20 | ||||
| -rw-r--r-- | fs/ocfs2/file.c | 36 | ||||
| -rw-r--r-- | fs/ocfs2/suballoc.c | 12 | ||||
| -rw-r--r-- | fs/ocfs2/suballoc.h | 6 | ||||
| -rw-r--r-- | fs/ocfs2/xattr.c | 71 |
8 files changed, 240 insertions, 332 deletions
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index ce54730e18f..786a8298262 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -49,20 +49,6 @@ #include "buffer_head_io.h" -/* - * ocfs2_extent_tree and ocfs2_extent_tree_operations are used to abstract - * the b-tree operations in ocfs2. Now all the b-tree operations are not - * limited to ocfs2_dinode only. Any data which need to allocate clusters - * to store can use b-tree. And it only needs to implement its ocfs2_extent_tree - * and operation. - * - * ocfs2_extent_tree contains info for the root of the b-tree, it must have a - * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree - * functions. - * ocfs2_extent_tree_operations abstract the normal operations we do for - * the root of extent b-tree. - */ -struct ocfs2_extent_tree; struct ocfs2_extent_tree_operations { void (*eo_set_last_eb_blk)(struct ocfs2_extent_tree *et, @@ -83,28 +69,38 @@ struct ocfs2_extent_tree_operations { struct ocfs2_extent_tree *et); }; -struct ocfs2_extent_tree { - enum ocfs2_extent_tree_type et_type; - struct ocfs2_extent_tree_operations *et_ops; - struct buffer_head *et_root_bh; - struct ocfs2_extent_list *et_root_el; - void *et_object; - unsigned int et_max_leaf_clusters; -}; -static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) -{ - struct ocfs2_dinode *di = et->et_object; - - et->et_root_el = &di->id2.i_list; -} +/* + * Pre-declare ocfs2_dinode_et_ops so we can use it as a sanity check + * in the methods. + */ +static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et); +static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, + u64 blkno); +static void ocfs2_dinode_update_clusters(struct inode *inode, + struct ocfs2_extent_tree *et, + u32 clusters); +static int ocfs2_dinode_insert_check(struct inode *inode, + struct ocfs2_extent_tree *et, + struct ocfs2_extent_rec *rec); +static int ocfs2_dinode_sanity_check(struct inode *inode, + struct ocfs2_extent_tree *et); +static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et); +static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { + .eo_set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, + .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, + .eo_update_clusters = ocfs2_dinode_update_clusters, + .eo_insert_check = ocfs2_dinode_insert_check, + .eo_sanity_check = ocfs2_dinode_sanity_check, + .eo_fill_root_el = ocfs2_dinode_fill_root_el, +}; static void ocfs2_dinode_set_last_eb_blk(struct ocfs2_extent_tree *et, u64 blkno) { struct ocfs2_dinode *di = et->et_object; - BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); di->i_last_eb_blk = cpu_to_le64(blkno); } @@ -112,7 +108,7 @@ static u64 ocfs2_dinode_get_last_eb_blk(struct ocfs2_extent_tree *et) { struct ocfs2_dinode *di = et->et_object; - BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); return le64_to_cpu(di->i_last_eb_blk); } @@ -153,7 +149,7 @@ static int ocfs2_dinode_sanity_check(struct inode *inode, int ret = 0; struct ocfs2_dinode *di; - BUG_ON(et->et_type != OCFS2_DINODE_EXTENT); + BUG_ON(et->et_ops != &ocfs2_dinode_et_ops); di = et->et_object; if (!OCFS2_IS_VALID_DINODE(di)) { @@ -166,14 +162,13 @@ static int ocfs2_dinode_sanity_check(struct inode *inode, return ret; } -static struct ocfs2_extent_tree_operations ocfs2_dinode_et_ops = { - .eo_set_last_eb_blk = ocfs2_dinode_set_last_eb_blk, - .eo_get_last_eb_blk = ocfs2_dinode_get_last_eb_blk, - .eo_update_clusters = ocfs2_dinode_update_clusters, - .eo_insert_check = ocfs2_dinode_insert_check, - .eo_sanity_check = ocfs2_dinode_sanity_check, - .eo_fill_root_el = ocfs2_dinode_fill_root_el, -}; +static void ocfs2_dinode_fill_root_el(struct ocfs2_extent_tree *et) +{ + struct ocfs2_dinode *di = et->et_object; + + et->et_root_el = &di->id2.i_list; +} + static void ocfs2_xattr_value_fill_root_el(struct ocfs2_extent_tree *et) { @@ -269,10 +264,8 @@ static void __ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, struct inode *inode, struct buffer_head *bh, void *obj, - enum ocfs2_extent_tree_type et_type, struct ocfs2_extent_tree_operations *ops) { - et->et_type = et_type; et->et_ops = ops; get_bh(bh); et->et_root_bh = bh; @@ -287,50 +280,31 @@ static void __ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, et->et_ops->eo_fill_max_leaf_clusters(inode, et); } -static void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh) +void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh) { - __ocfs2_get_extent_tree(et, inode, bh, NULL, OCFS2_DINODE_EXTENT, - &ocfs2_dinode_et_ops); + __ocfs2_get_extent_tree(et, inode, bh, NULL, &ocfs2_dinode_et_ops); } -static void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh) +void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh) { __ocfs2_get_extent_tree(et, inode, bh, NULL, - OCFS2_XATTR_TREE_EXTENT, &ocfs2_xattr_tree_et_ops); } -static void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh, - struct ocfs2_xattr_value_root *xv) +void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_xattr_value_root *xv) { __ocfs2_get_extent_tree(et, inode, bh, xv, - OCFS2_XATTR_VALUE_EXTENT, &ocfs2_xattr_value_et_ops); } -static void ocfs2_get_extent_tree(struct ocfs2_extent_tree *et, - struct inode *inode, - struct buffer_head *bh, - enum ocfs2_extent_tree_type et_type, - void *obj) -{ - if (et_type == OCFS2_DINODE_EXTENT) - ocfs2_get_dinode_extent_tree(et, inode, bh); - else if (et_type == OCFS2_XATTR_VALUE_EXTENT) - ocfs2_get_xattr_tree_extent_tree(et, inode, bh); - else if (et_type == OCFS2_XATTR_TREE_EXTENT) - ocfs2_get_xattr_value_extent_tree(et, inode, bh, obj); - else - BUG(); -} - -static void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) +void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et) { brelse(et->et_root_bh); } @@ -682,22 +656,18 @@ struct ocfs2_merge_ctxt { */ int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct buffer_head *root_bh, - enum ocfs2_extent_tree_type type, - void *obj) + struct ocfs2_extent_tree *et) { int retval; struct ocfs2_extent_list *el = NULL; struct ocfs2_extent_block *eb; struct buffer_head *eb_bh = NULL; u64 last_eb_blk = 0; - struct ocfs2_extent_tree et; mlog_entry_void(); - ocfs2_get_extent_tree(&et, inode, root_bh, type, obj); - el = et.et_root_el; - last_eb_blk = ocfs2_et_get_last_eb_blk(&et); + el = et->et_root_el; + last_eb_blk = ocfs2_et_get_last_eb_blk(et); if (last_eb_blk) { retval = ocfs2_read_block(osb, last_eb_blk, @@ -717,7 +687,6 @@ bail: if (eb_bh) brelse(eb_bh); - ocfs2_put_extent_tree(&et); mlog_exit(retval); return retval; } @@ -4406,16 +4375,15 @@ out: * * The caller needs to update fe->i_clusters */ -static int ocfs2_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - struct ocfs2_extent_tree *et) +int ocfs2_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac) { int status; int uninitialized_var(free_records); @@ -4464,7 +4432,7 @@ static int ocfs2_insert_extent(struct ocfs2_super *osb, status = ocfs2_do_insert_extent(inode, handle, et, &rec, &insert); if (status < 0) mlog_errno(status); - else if (et->et_type == OCFS2_DINODE_EXTENT) + else if (et->et_ops == &ocfs2_dinode_et_ops) ocfs2_extent_map_insert_rec(inode, &rec); bail: @@ -4475,77 +4443,10 @@ bail: return status; } -int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac) -{ - int status; - struct ocfs2_extent_tree et; - - ocfs2_get_dinode_extent_tree(&et, inode, root_bh); - status = ocfs2_insert_extent(osb, handle, inode, root_bh, - cpos, start_blk, new_clusters, - flags, meta_ac, &et); - ocfs2_put_extent_tree(&et); - - return status; -} - -int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - struct ocfs2_xattr_value_root *xv) -{ - int status; - struct ocfs2_extent_tree et; - - ocfs2_get_xattr_value_extent_tree(&et, inode, root_bh, xv); - status = ocfs2_insert_extent(osb, handle, inode, root_bh, - cpos, start_blk, new_clusters, - flags, meta_ac, &et); - ocfs2_put_extent_tree(&et); - - return status; -} - -int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac) -{ - int status; - struct ocfs2_extent_tree et; - - ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); - status = ocfs2_insert_extent(osb, handle, inode, root_bh, - cpos, start_blk, new_clusters, - flags, meta_ac, &et); - ocfs2_put_extent_tree(&et); - - return status; -} - /* * Allcate and add clusters into the extent b-tree. * The new clusters(clusters_to_add) will be inserted at logical_offset. - * The extent b-tree's root is root_el and it should be in root_bh, and + * The extent b-tree's root is specified by et, and * it is not limited to the file storage. Any extent tree can use this * function if it implements the proper ocfs2_extent_tree. */ @@ -4554,14 +4455,11 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, u32 *logical_offset, u32 clusters_to_add, int mark_unwritten, - struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, + struct ocfs2_extent_tree *et, handle_t *handle, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, - enum ocfs2_alloc_restarted *reason_ret, - enum ocfs2_extent_tree_type type, - void *obj) + enum ocfs2_alloc_restarted *reason_ret) { int status = 0; int free_extents; @@ -4575,8 +4473,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, if (mark_unwritten) flags = OCFS2_EXT_UNWRITTEN; - free_extents = ocfs2_num_free_extents(osb, inode, root_bh, type, - obj); + free_extents = ocfs2_num_free_extents(osb, inode, et); if (free_extents < 0) { status = free_extents; mlog_errno(status); @@ -4595,7 +4492,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, goto leave; } else if ((!free_extents) && (ocfs2_alloc_context_bits_left(meta_ac) - < ocfs2_extend_meta_needed(root_el))) { + < ocfs2_extend_meta_needed(et->et_root_el))) { mlog(0, "filesystem is really fragmented...\n"); status = -EAGAIN; reason = RESTART_META; @@ -4613,7 +4510,7 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, BUG_ON(num_bits > clusters_to_add); /* reserve our write early -- insert_extent may update the inode */ - status = ocfs2_journal_access(handle, inode, root_bh, + status = ocfs2_journal_access(handle, inode, et->et_root_bh, OCFS2_JOURNAL_ACCESS_WRITE); if (status < 0) { mlog_errno(status); @@ -4623,28 +4520,15 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, block = ocfs2_clusters_to_blocks(osb->sb, bit_off); mlog(0, "Allocating %u clusters at block %u for inode %llu\n", num_bits, bit_off, (unsigned long long)OCFS2_I(inode)->ip_blkno); - if (type == OCFS2_DINODE_EXTENT) - status = ocfs2_dinode_insert_extent(osb, handle, inode, root_bh, - *logical_offset, block, - num_bits, flags, meta_ac); - else if (type == OCFS2_XATTR_TREE_EXTENT) - status = ocfs2_xattr_tree_insert_extent(osb, handle, - inode, root_bh, - *logical_offset, - block, num_bits, flags, - meta_ac); - else - status = ocfs2_xattr_value_insert_extent(osb, handle, - inode, root_bh, - *logical_offset, - block, num_bits, flags, - meta_ac, obj); + status = ocfs2_insert_extent(osb, handle, inode, et, + *logical_offset, block, + num_bits, flags, meta_ac); if (status < 0) { mlog_errno(status); goto leave; } - status = ocfs2_journal_dirty(handle, root_bh); + status = ocfs2_journal_dirty(handle, et->et_root_bh); if (status < 0) { mlog_errno(status); goto leave; @@ -4915,25 +4799,21 @@ out: * * The caller is responsible for passing down meta_ac if we'll need it. */ -int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, +int ocfs2_mark_extent_written(struct inode *inode, + struct ocfs2_extent_tree *et, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *obj) + struct ocfs2_cached_dealloc_ctxt *dealloc) { int ret, index; u64 start_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys); struct ocfs2_extent_rec split_rec; struct ocfs2_path *left_path = NULL; struct ocfs2_extent_list *el; - struct ocfs2_extent_tree et; mlog(0, "Inode %lu cpos %u, len %u, phys %u (%llu)\n", inode->i_ino, cpos, len, phys, (unsigned long long)start_blkno); - ocfs2_get_extent_tree(&et, inode, root_bh, et_type, obj); - if (!ocfs2_writes_unwritten_extents(OCFS2_SB(inode->i_sb))) { ocfs2_error(inode->i_sb, "Inode %llu has unwritten extents " "that are being written to, but the feature bit " @@ -4946,11 +4826,14 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, /* * XXX: This should be fixed up so that we just re-insert the * next extent records. + * + * XXX: This is a hack on the extent tree, maybe it should be + * an op? */ - if (et_type == OCFS2_DINODE_EXTENT) + if (et->et_ops == &ocfs2_dinode_et_ops) ocfs2_extent_map_trunc(inode, 0); - left_path = ocfs2_new_path(et.et_root_bh, et.et_root_el); + left_path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!left_path) { ret = -ENOMEM; mlog_errno(ret); @@ -4981,7 +4864,7 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, split_rec.e_flags = path_leaf_el(left_path)->l_recs[index].e_flags; split_rec.e_flags &= ~OCFS2_EXT_UNWRITTEN; - ret = __ocfs2_mark_extent_written(inode, &et, handle, left_path, + ret = __ocfs2_mark_extent_written(inode, et, handle, left_path, index, &split_rec, meta_ac, dealloc); if (ret) @@ -4989,7 +4872,6 @@ int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, out: ocfs2_free_path(left_path); - ocfs2_put_extent_tree(&et); return ret; } @@ -5219,25 +5101,21 @@ out: return ret; } -int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, +int ocfs2_remove_extent(struct inode *inode, + struct ocfs2_extent_tree *et, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *obj) + struct ocfs2_cached_dealloc_ctxt *dealloc) { int ret, index; u32 rec_range, trunc_range; struct ocfs2_extent_rec *rec; struct ocfs2_extent_list *el; struct ocfs2_path *path = NULL; - struct ocfs2_extent_tree et; - - ocfs2_get_extent_tree(&et, inode, root_bh, et_type, obj); ocfs2_extent_map_trunc(inode, 0); - path = ocfs2_new_path(et.et_root_bh, et.et_root_el); + path = ocfs2_new_path(et->et_root_bh, et->et_root_el); if (!path) { ret = -ENOMEM; mlog_errno(ret); @@ -5290,13 +5168,13 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, if (le32_to_cpu(rec->e_cpos) == cpos || rec_range == trunc_range) { ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len, &et); + cpos, len, et); if (ret) { mlog_errno(ret); goto out; } } else { - ret = ocfs2_split_tree(inode, &et, handle, path, index, + ret = ocfs2_split_tree(inode, et, handle, path, index, trunc_range, meta_ac); if (ret) { mlog_errno(ret); @@ -5345,7 +5223,7 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, } ret = ocfs2_truncate_rec(inode, handle, path, index, dealloc, - cpos, len, &et); + cpos, len, et); if (ret) { mlog_errno(ret); goto out; @@ -5354,7 +5232,6 @@ int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, out: ocfs2_free_path(path); - ocfs2_put_extent_tree(&et); return ret; } @@ -6773,6 +6650,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, struct ocfs2_alloc_context *data_ac = NULL; struct page **pages = NULL; loff_t end = osb->s_clustersize; + struct ocfs2_extent_tree et; has_data = i_size_read(inode) ? 1 : 0; @@ -6872,8 +6750,10 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode, * this proves to be false, we could always re-build * the in-inode data from our pages. */ - ret = ocfs2_dinode_insert_extent(osb, handle, inode, di_bh, - 0, block, 1, 0, NULL); + ocfs2_get_dinode_extent_tree(&et, inode, di_bh); + ret = ocfs2_insert_extent(osb, handle, inode, &et, + 0, block, 1, 0, NULL); + ocfs2_put_extent_tree(&et); if (ret) { mlog_errno(ret); goto out_commit; diff --git a/fs/ocfs2/alloc.h b/fs/ocfs2/alloc.h index 5cc9a83cf1a..35ad07f9610 100644 --- a/fs/ocfs2/alloc.h +++ b/fs/ocfs2/alloc.h @@ -26,46 +26,66 @@ #ifndef OCFS2_ALLOC_H #define OCFS2_ALLOC_H -enum ocfs2_extent_tree_type { - OCFS2_DINODE_EXTENT = 0, - OCFS2_XATTR_VALUE_EXTENT, - OCFS2_XATTR_TREE_EXTENT, -}; /* * For xattr tree leaf, we limit the leaf byte size to be 64K. */ #define OCFS2_MAX_XATTR_TREE_LEAF_SIZE 65536 +/* + * ocfs2_extent_tree and ocfs2_extent_tree_operations are used to abstract + * the b-tree operations in ocfs2. Now all the b-tree operations are not + * limited to ocfs2_dinode only. Any data which need to allocate clusters + * to store can use b-tree. And it only needs to implement its ocfs2_extent_tree + * and operation. + * + * ocfs2_extent_tree becomes the first-class object for extent tree + * manipulation. Callers of the alloc.c code need to fill it via one of + * the ocfs2_get_*_extent_tree() operations below. + * + * ocfs2_extent_tree contains info for the root of the b-tree, it must have a + * root ocfs2_extent_list and a root_bh so that they can be used in the b-tree + * functions. + * ocfs2_extent_tree_operations abstract the normal operations we do for + * the root of extent b-tree. + */ +struct ocfs2_extent_tree_operations; +struct ocfs2_extent_tree { + struct ocfs2_extent_tree_operations *et_ops; + struct buffer_head *et_root_bh; + struct ocfs2_extent_list *et_root_el; + void *et_object; + unsigned int et_max_leaf_clusters; +}; + +/* + * ocfs2_*_get_extent_tree() will fill an ocfs2_extent_tree from the + * specified object buffer. The bh is referenced until + * ocfs2_put_extent_tree(). + */ +void ocfs2_get_dinode_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh); +void ocfs2_get_xattr_tree_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh); +void ocfs2_get_xattr_value_extent_tree(struct ocfs2_extent_tree *et, + struct inode *inode, + struct buffer_head *bh, + struct ocfs2_xattr_value_root *xv); +void ocfs2_put_extent_tree(struct ocfs2_extent_tree *et); + struct ocfs2_alloc_context; -int ocfs2_dinode_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac); -int ocfs2_xattr_value_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac, - struct ocfs2_xattr_value_root *xv); -int ocfs2_xattr_tree_insert_extent(struct ocfs2_super *osb, - handle_t *handle, - struct inode *inode, - struct buffer_head *root_bh, - u32 cpos, - u64 start_blk, - u32 new_clusters, - u8 flags, - struct ocfs2_alloc_context *meta_ac); +int ocfs2_insert_extent(struct ocfs2_super *osb, + handle_t *handle, + struct inode *inode, + struct ocfs2_extent_tree *et, + u32 cpos, + u64 start_blk, + u32 new_clusters, + u8 flags, + struct ocfs2_alloc_context *meta_ac); + enum ocfs2_alloc_restarted { RESTART_NONE = 0, RESTART_TRANS, @@ -76,32 +96,25 @@ int ocfs2_add_clusters_in_btree(struct ocfs2_super *osb, u32 *logical_offset, u32 clusters_to_add, int mark_unwritten, - struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, + struct ocfs2_extent_tree *et, handle_t *handle, struct ocfs2_alloc_context *data_ac, struct ocfs2_alloc_context *meta_ac, - enum ocfs2_alloc_restarted *reason_ret, - enum ocfs2_extent_tree_type type, - void *private); + enum ocfs2_alloc_restarted *reason_ret); struct ocfs2_cached_dealloc_ctxt; -int ocfs2_mark_extent_written(struct inode *inode, struct buffer_head *root_bh, +int ocfs2_mark_extent_written(struct inode *inode, + struct ocfs2_extent_tree *et, handle_t *handle, u32 cpos, u32 len, u32 phys, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *private); -int ocfs2_remove_extent(struct inode *inode, struct buffer_head *root_bh, + struct ocfs2_cached_dealloc_ctxt *dealloc); +int ocfs2_remove_extent(struct inode *inode, + struct ocfs2_extent_tree *et, u32 cpos, u32 len, handle_t *handle, struct ocfs2_alloc_context *meta_ac, - struct ocfs2_cached_dealloc_ctxt *dealloc, - enum ocfs2_extent_tree_type et_type, - void *private); + struct ocfs2_cached_dealloc_ctxt *dealloc); int ocfs2_num_free_extents(struct ocfs2_super *osb, struct inode *inode, - struct buffer_head *root_bh, - enum ocfs2_extent_tree_type et_type, - void *private); + struct ocfs2_extent_tree *et); /* * how many new metadata chunks would an allocation need at maximum? diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 530b1ff599c..ed937fa9e4e 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1242,6 +1242,7 @@ static int ocfs2_write_cluster(struct address_space *mapping, int ret, i, new, should_zero = 0; u64 v_blkno, p_blkno; struct inode *inode = mapping->host; + struct ocfs2_extent_tree et; new = phys == 0 ? 1 : 0; if (new || unwritten) @@ -1276,10 +1277,11 @@ static int ocfs2_write_cluster(struct address_space *mapping, goto out; } } else if (unwritten) { - ret = ocfs2_mark_extent_written(inode, wc->w_di_bh, + ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh); + ret = ocfs2_mark_extent_written(inode, &et, wc->w_handle, cpos, 1, phys, - meta_ac, &wc->w_dealloc, - OCFS2_DINODE_EXTENT, NULL); + meta_ac, &wc->w_dealloc); + ocfs2_put_extent_tree(&et); if (ret < 0) { mlog_errno(ret); goto out; @@ -1666,6 +1668,7 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, struct ocfs2_alloc_context *data_ac = NULL; struct ocfs2_alloc_context *meta_ac = NULL; handle_t *handle; + struct ocfs2_extent_tree et; ret = ocfs2_alloc_write_ctxt(&wc, osb, pos, len, di_bh); if (ret) { @@ -1719,10 +1722,11 @@ int ocfs2_write_begin_nolock(struct address_space *mapping, (long long)i_size_read(inode), le32_to_cpu(di->i_clusters), clusters_to_alloc, extents_to_split); - ret = ocfs2_lock_allocators(inode, wc->w_di_bh, &di->id2.i_list, + ocfs2_get_dinode_extent_tree(&et, inode, wc->w_di_bh); + ret = ocfs2_lock_allocators(inode, &et, clusters_to_alloc, extents_to_split, - &data_ac, &meta_ac, - OCFS2_DINODE_EXTENT, NULL); + &data_ac, &meta_ac); + ocfs2_put_extent_tree(&et); if (ret) { mlog_errno(ret); goto out; diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 5426a02c12b..2cdc5539034 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1192,6 +1192,9 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, struct buffer_head *dirdata_bh = NULL; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; handle_t *handle; + struct ocfs2_extent_tree et; + + ocfs2_get_dinode_extent_tree(&et, dir, di_bh); alloc = ocfs2_clusters_for_bytes(sb, bytes); @@ -1305,8 +1308,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, * This should never fail as our extent list is empty and all * related blocks have been journaled already. */ - ret = ocfs2_dinode_insert_extent(osb, handle, dir, di_bh, 0, blkno, - len, 0, NULL); + ret = ocfs2_insert_extent(osb, handle, dir, &et, 0, blkno, len, + 0, NULL); if (ret) { mlog_errno(ret); goto out_commit; @@ -1337,8 +1340,8 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, } blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off); - ret = ocfs2_dinode_insert_extent(osb, handle, dir, di_bh, 1, - blkno, len, 0, NULL); + ret = ocfs2_insert_extent(osb, handle, dir, &et, 1, + blkno, len, 0, NULL); if (ret) { mlog_errno(ret); goto out_commit; @@ -1360,6 +1363,7 @@ out: brelse(dirdata_bh); + ocfs2_put_extent_tree(&et); return ret; } @@ -1437,6 +1441,7 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, struct buffer_head *new_bh = NULL; struct ocfs2_dir_entry * de; struct super_block *sb = osb->sb; + struct ocfs2_extent_tree et; mlog_entry_void(); @@ -1480,10 +1485,9 @@ static int ocfs2_extend_dir(struct ocfs2_super *osb, spin_lock(&OCFS2_I(dir)->ip_lock); if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) { spin_unlock(&OCFS2_I(dir)->ip_lock); - num_free_extents = ocfs2_num_free_extents(osb, dir, - parent_fe_bh, - OCFS2_DINODE_EXTENT, - NULL); + ocfs2_get_dinode_extent_tree(&et, dir, parent_fe_bh); + num_free_extents = ocfs2_num_free_extents(osb, dir, &et); + ocfs2_put_extent_tree(&et); if (num_free_extents < 0) { status = num_free_extents; mlog_errno(status); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index f4273c2c209..ca3d38addbb 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -509,14 +509,17 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb, struct ocfs2_alloc_context *meta_ac, enum ocfs2_alloc_restarted *reason_ret) { - struct ocfs2_dinode *fe = (struct ocfs2_dinode *) fe_bh->b_data; - struct ocfs2_extent_list *el = &fe->id2.i_list; + int ret; + struct ocfs2_extent_tree et; - return ocfs2_add_clusters_in_btree(osb, inode, logical_offset, + ocfs2_get_dinode_extent_tree(&et, inode, fe_bh); + ret = ocfs2_add_clusters_in_btree(osb, inode, logical_offset, clusters_to_add, mark_unwritten, - fe_bh, el, handle, - data_ac, meta_ac, reason_ret, - OCFS2_DINODE_EXTENT, NULL); + &et, handle, + data_ac, meta_ac, reason_ret); + ocfs2_put_extent_tree(&et); + + return ret; } static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, @@ -533,6 +536,7 @@ static int __ocfs2_extend_allocation(struct inode *inode, u32 logical_start, struct ocfs2_alloc_context *meta_ac = NULL; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); + struct ocfs2_extent_tree et; mlog_entry("(clusters_to_add = %u)\n", clusters_to_add); @@ -564,9 +568,10 @@ restart_all: (unsigned long long)OCFS2_I(inode)->ip_blkno, (long long)i_size_read(inode), le32_to_cpu(fe->i_clusters), clusters_to_add); - status = ocfs2_lock_allocators(inode, bh, &fe->id2.i_list, - clusters_to_add, 0, &data_ac, - &meta_ac, OCFS2_DINODE_EXTENT, NULL); + ocfs2_get_dinode_extent_tree(&et, inode, bh); + status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, + &data_ac, &meta_ac); + ocfs2_put_extent_tree(&et); if (status) { mlog_errno(status); goto leave; @@ -1236,11 +1241,13 @@ static int __ocfs2_remove_inode_range(struct inode *inode, handle_t *handle; struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data; + struct ocfs2_extent_tree et; + + ocfs2_get_dinode_extent_tree(&et, inode, di_bh); - ret = ocfs2_lock_allocators(inode, di_bh, &di->id2.i_list, - 0, 1, NULL, &meta_ac, - OCFS2_DINODE_EXTENT, NULL); + ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { + ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -1269,8 +1276,8 @@ static int __ocfs2_remove_inode_range(struct inode *inode, goto out; } - ret = ocfs2_remove_extent(inode, di_bh, cpos, len, handle, meta_ac, - dealloc, OCFS2_DINODE_EXTENT, NULL); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, + dealloc); if (ret) { mlog_errno(ret); goto out_commit; @@ -1297,6 +1304,7 @@ out: if (meta_ac) ocfs2_free_alloc_context(meta_ac); + ocfs2_put_extent_tree(&et); return ret; } diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index f1871ca8381..8d3947e94a2 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1914,12 +1914,11 @@ static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe) * File systems which don't support holes call this from * ocfs2_extend_allocation(). */ -int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, +int ocfs2_lock_allocators(struct inode *inode, + struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac, - enum ocfs2_extent_tree_type type, void *private) + struct ocfs2_alloc_context **meta_ac) { int ret = 0, num_free_extents; unsigned int max_recs_needed = clusters_to_add + 2 * extents_to_split; @@ -1931,8 +1930,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, BUG_ON(clusters_to_add != 0 && data_ac == NULL); - num_free_extents = ocfs2_num_free_extents(osb, inode, root_bh, - type, private); + num_free_extents = ocfs2_num_free_extents(osb, inode, et); if (num_free_extents < 0) { ret = num_free_extents; mlog_errno(ret); @@ -1954,7 +1952,7 @@ int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, */ if (!num_free_extents || (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed)) { - ret = ocfs2_reserve_new_metadata(osb, root_el, meta_ac); + ret = ocfs2_reserve_new_metadata(osb, et->et_root_el, meta_ac); if (ret < 0) { if (ret != -ENOSPC) mlog_errno(ret); diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index 028fd633b44..dd0963695ed 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -165,10 +165,8 @@ u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); int ocfs2_check_group_descriptor(struct super_block *sb, struct ocfs2_dinode *di, struct ocfs2_group_desc *gd); -int ocfs2_lock_allocators(struct inode *inode, struct buffer_head *root_bh, - struct ocfs2_extent_list *root_el, +int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_extent_tree *et, u32 clusters_to_add, u32 extents_to_split, struct ocfs2_alloc_context **data_ac, - struct ocfs2_alloc_context **meta_ac, - enum ocfs2_extent_tree_type type, void *private); + struct ocfs2_alloc_context **meta_ac); #endif /* _CHAINALLOC_H_ */ diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 1b349c7367a..9c3d4dc3e2e 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -206,22 +206,24 @@ static int ocfs2_xattr_extend_allocation(struct inode *inode, struct ocfs2_alloc_context *meta_ac = NULL; enum ocfs2_alloc_restarted why; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_extent_list *root_el = &xv->xr_list; u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters); + struct ocfs2_extent_tree et; mlog(0, "(clusters_to_add for xattr= %u)\n", clusters_to_add); + ocfs2_get_xattr_value_extent_tree(&et, inode, xattr_bh, xv); + restart_all: - status = ocfs2_lock_allocators(inode, xattr_bh, root_el, - clusters_to_add, 0, &data_ac, - &meta_ac, OCFS2_XATTR_VALUE_EXTENT, xv); + status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, + &data_ac, &meta_ac); if (status) { mlog_errno(status); goto leave; } - credits = ocfs2_calc_extend_credits(osb->sb, root_el, clusters_to_add); + credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, + clusters_to_add); handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { status = PTR_ERR(handle); @@ -244,14 +246,11 @@ restarted_transaction: &logical_start, clusters_to_add, 0, - xattr_bh, - root_el, + &et, handle, data_ac, meta_ac, - &why, - OCFS2_XATTR_VALUE_EXTENT, - xv); + &why); if ((status < 0) && (status != -EAGAIN)) { if (status != -ENOSPC) mlog_errno(status); @@ -276,7 +275,7 @@ restarted_transaction: mlog(0, "restarting transaction.\n"); /* TODO: This can be more intelligent. */ credits = ocfs2_calc_extend_credits(osb->sb, - root_el, + et.et_root_el, clusters_to_add); status = ocfs2_extend_trans(handle, credits); if (status < 0) { @@ -308,6 +307,7 @@ leave: goto restart_all; } + ocfs2_put_extent_tree(&et); return status; } @@ -323,11 +323,13 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, struct inode *tl_inode = osb->osb_tl_inode; handle_t *handle; struct ocfs2_alloc_context *meta_ac = NULL; + struct ocfs2_extent_tree et; + + ocfs2_get_xattr_value_extent_tree(&et, inode, root_bh, xv); - ret = ocfs2_lock_allocators(inode, root_bh, &xv->xr_list, - 0, 1, NULL, &meta_ac, - OCFS2_XATTR_VALUE_EXTENT, xv); + ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { + ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -356,8 +358,8 @@ static int __ocfs2_remove_xattr_range(struct inode *inode, goto out_commit; } - ret = ocfs2_remove_extent(inode, root_bh, cpos, len, handle, meta_ac, - dealloc, OCFS2_XATTR_VALUE_EXTENT, xv); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, + dealloc); if (ret) { mlog_errno(ret); goto out_commit; @@ -383,6 +385,7 @@ out: if (meta_ac) ocfs2_free_alloc_context(meta_ac); + ocfs2_put_extent_tree(&et); return ret; } @@ -3622,26 +3625,24 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, struct ocfs2_alloc_context *data_ac = NULL; struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); - struct ocfs2_xattr_block *xb = - (struct ocfs2_xattr_block *)root_bh->b_data; - struct ocfs2_xattr_tree_root *xb_root = &xb->xb_attrs.xb_root; - struct ocfs2_extent_list *root_el = &xb_root->xt_list; - enum ocfs2_extent_tree_type type = OCFS2_XATTR_TREE_EXTENT; + struct ocfs2_extent_tree et; mlog(0, "Add new xattr cluster for %llu, previous xattr hash = %u, " "previous xattr blkno = %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno, prev_cpos, prev_blkno); - ret = ocfs2_lock_allocators(inode, root_bh, root_el, - clusters_to_add, 0, &data_ac, - &meta_ac, type, NULL); + ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); + + ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0, + &data_ac, &meta_ac); if (ret) { mlog_errno(ret); goto leave; } - credits = ocfs2_calc_extend_credits(osb->sb, root_el, clusters_to_add); + credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el, + clusters_to_add); handle = ocfs2_start_trans(osb, credits); if (IS_ERR(handle)) { ret = PTR_ERR(handle); @@ -3705,9 +3706,8 @@ static int ocfs2_add_new_xattr_cluster(struct inode *inode, mlog(0, "Insert %u clusters at block %llu for xattr at %u\n", num_bits, block, v_start); - ret = ocfs2_xattr_tree_insert_extent(osb, handle, inode, root_bh, - v_start, block, num_bits, - 0, meta_ac); + ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block, + num_bits, 0, meta_ac); if (ret < 0) { mlog_errno(ret); goto leave; @@ -3727,6 +3727,7 @@ leave: if (meta_ac) ocfs2_free_alloc_context(meta_ac); + ocfs2_put_extent_tree(&et); return ret; } @@ -4331,9 +4332,11 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, handle_t *handle; struct ocfs2_xattr_block *xb = (struct ocfs2_xattr_block *)root_bh->b_data; - struct ocfs2_extent_list *root_el = &xb->xb_attrs.xb_root.xt_list; struct ocfs2_alloc_context *meta_ac = NULL; struct ocfs2_cached_dealloc_ctxt dealloc; + struct ocfs2_extent_tree et; + + ocfs2_get_xattr_tree_extent_tree(&et, inode, root_bh); ocfs2_init_dealloc_ctxt(&dealloc); @@ -4342,10 +4345,9 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, ocfs2_remove_xattr_clusters_from_cache(inode, blkno, len); - ret = ocfs2_lock_allocators(inode, root_bh, root_el, - 0, 1, NULL, &meta_ac, - OCFS2_XATTR_TREE_EXTENT, NULL); + ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac); if (ret) { + ocfs2_put_extent_tree(&et); mlog_errno(ret); return ret; } @@ -4374,8 +4376,8 @@ static int ocfs2_rm_xattr_cluster(struct inode *inode, goto out_commit; } - ret = ocfs2_remove_extent(inode, root_bh, cpos, len, handle, meta_ac, - &dealloc, OCFS2_XATTR_TREE_EXTENT, NULL); + ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac, + &dealloc); if (ret) { mlog_errno(ret); goto out_commit; @@ -4405,6 +4407,7 @@ out: ocfs2_run_deallocs(osb, &dealloc); + ocfs2_put_extent_tree(&et); return ret; } |