diff options
author | David S. Miller <davem@davemloft.net> | 2010-04-03 18:49:14 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-04-03 18:49:14 -0400 |
commit | 87e8b821ed8db3dab03d96cd542e29666bf210aa (patch) | |
tree | 0027060473aafbbb125655ba027319c8a1a665fc /fs/btrfs/disk-io.c | |
parent | 33cd9dfa3a13e3d8e41aef225a9f98169816723b (diff) | |
parent | 5e11611a5d22252f3f9c169a3c9377eac0c32033 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r-- | fs/btrfs/disk-io.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 2b59201b955c..11d0ad30e203 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c | |||
@@ -263,13 +263,15 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf, | |||
263 | static int verify_parent_transid(struct extent_io_tree *io_tree, | 263 | static int verify_parent_transid(struct extent_io_tree *io_tree, |
264 | struct extent_buffer *eb, u64 parent_transid) | 264 | struct extent_buffer *eb, u64 parent_transid) |
265 | { | 265 | { |
266 | struct extent_state *cached_state = NULL; | ||
266 | int ret; | 267 | int ret; |
267 | 268 | ||
268 | if (!parent_transid || btrfs_header_generation(eb) == parent_transid) | 269 | if (!parent_transid || btrfs_header_generation(eb) == parent_transid) |
269 | return 0; | 270 | return 0; |
270 | 271 | ||
271 | lock_extent(io_tree, eb->start, eb->start + eb->len - 1, GFP_NOFS); | 272 | lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1, |
272 | if (extent_buffer_uptodate(io_tree, eb) && | 273 | 0, &cached_state, GFP_NOFS); |
274 | if (extent_buffer_uptodate(io_tree, eb, cached_state) && | ||
273 | btrfs_header_generation(eb) == parent_transid) { | 275 | btrfs_header_generation(eb) == parent_transid) { |
274 | ret = 0; | 276 | ret = 0; |
275 | goto out; | 277 | goto out; |
@@ -282,10 +284,10 @@ static int verify_parent_transid(struct extent_io_tree *io_tree, | |||
282 | (unsigned long long)btrfs_header_generation(eb)); | 284 | (unsigned long long)btrfs_header_generation(eb)); |
283 | } | 285 | } |
284 | ret = 1; | 286 | ret = 1; |
285 | clear_extent_buffer_uptodate(io_tree, eb); | 287 | clear_extent_buffer_uptodate(io_tree, eb, &cached_state); |
286 | out: | 288 | out: |
287 | unlock_extent(io_tree, eb->start, eb->start + eb->len - 1, | 289 | unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1, |
288 | GFP_NOFS); | 290 | &cached_state, GFP_NOFS); |
289 | return ret; | 291 | return ret; |
290 | } | 292 | } |
291 | 293 | ||
@@ -901,7 +903,7 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize, | |||
901 | root->highest_objectid = 0; | 903 | root->highest_objectid = 0; |
902 | root->name = NULL; | 904 | root->name = NULL; |
903 | root->in_sysfs = 0; | 905 | root->in_sysfs = 0; |
904 | root->inode_tree.rb_node = NULL; | 906 | root->inode_tree = RB_ROOT; |
905 | 907 | ||
906 | INIT_LIST_HEAD(&root->dirty_list); | 908 | INIT_LIST_HEAD(&root->dirty_list); |
907 | INIT_LIST_HEAD(&root->orphan_list); | 909 | INIT_LIST_HEAD(&root->orphan_list); |
@@ -1673,7 +1675,7 @@ struct btrfs_root *open_ctree(struct super_block *sb, | |||
1673 | insert_inode_hash(fs_info->btree_inode); | 1675 | insert_inode_hash(fs_info->btree_inode); |
1674 | 1676 | ||
1675 | spin_lock_init(&fs_info->block_group_cache_lock); | 1677 | spin_lock_init(&fs_info->block_group_cache_lock); |
1676 | fs_info->block_group_cache_tree.rb_node = NULL; | 1678 | fs_info->block_group_cache_tree = RB_ROOT; |
1677 | 1679 | ||
1678 | extent_io_tree_init(&fs_info->freed_extents[0], | 1680 | extent_io_tree_init(&fs_info->freed_extents[0], |
1679 | fs_info->btree_inode->i_mapping, GFP_NOFS); | 1681 | fs_info->btree_inode->i_mapping, GFP_NOFS); |
@@ -2497,7 +2499,8 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid) | |||
2497 | int ret; | 2499 | int ret; |
2498 | struct inode *btree_inode = buf->first_page->mapping->host; | 2500 | struct inode *btree_inode = buf->first_page->mapping->host; |
2499 | 2501 | ||
2500 | ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf); | 2502 | ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf, |
2503 | NULL); | ||
2501 | if (!ret) | 2504 | if (!ret) |
2502 | return ret; | 2505 | return ret; |
2503 | 2506 | ||