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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 14:55:59 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-03-26 14:55:59 +0000
commit329f9052dbadf6f4afe2231668bd00c579a4aa10 (patch)
treee080a5c70df40f3ae8cf28a95a3267757668ab97 /fs/btrfs/disk-io.c
parent395b228858778d3c44f7c413693a6acaa8bb62dc (diff)
parent220bf991b0366cc50a94feede3d7341fa5710ee4 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/nand/sh_flctl.c Maxim's patch to initialise sysfs attributes depends on the patch which actually adds sysfs_attr_init().
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c19
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,
static int verify_parent_transid(struct extent_io_tree *io_tree,
struct extent_buffer *eb, u64 parent_transid)
{
+ struct extent_state *cached_state = NULL;
int ret;
if (!parent_transid || btrfs_header_generation(eb) == parent_transid)
return 0;
- lock_extent(io_tree, eb->start, eb->start + eb->len - 1, GFP_NOFS);
- if (extent_buffer_uptodate(io_tree, eb) &&
+ lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1,
+ 0, &cached_state, GFP_NOFS);
+ if (extent_buffer_uptodate(io_tree, eb, cached_state) &&
btrfs_header_generation(eb) == parent_transid) {
ret = 0;
goto out;
@@ -282,10 +284,10 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
(unsigned long long)btrfs_header_generation(eb));
}
ret = 1;
- clear_extent_buffer_uptodate(io_tree, eb);
+ clear_extent_buffer_uptodate(io_tree, eb, &cached_state);
out:
- unlock_extent(io_tree, eb->start, eb->start + eb->len - 1,
- GFP_NOFS);
+ unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1,
+ &cached_state, GFP_NOFS);
return ret;
}
@@ -901,7 +903,7 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
root->highest_objectid = 0;
root->name = NULL;
root->in_sysfs = 0;
- root->inode_tree.rb_node = NULL;
+ root->inode_tree = RB_ROOT;
INIT_LIST_HEAD(&root->dirty_list);
INIT_LIST_HEAD(&root->orphan_list);
@@ -1673,7 +1675,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
insert_inode_hash(fs_info->btree_inode);
spin_lock_init(&fs_info->block_group_cache_lock);
- fs_info->block_group_cache_tree.rb_node = NULL;
+ fs_info->block_group_cache_tree = RB_ROOT;
extent_io_tree_init(&fs_info->freed_extents[0],
fs_info->btree_inode->i_mapping, GFP_NOFS);
@@ -2497,7 +2499,8 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid)
int ret;
struct inode *btree_inode = buf->first_page->mapping->host;
- ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf);
+ ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf,
+ NULL);
if (!ret)
return ret;