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authorDavid S. Miller <davem@davemloft.net>2010-04-06 23:53:30 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-06 23:53:30 -0700
commit4a35ecf8bf1c4b039503fa554100fe85c761de76 (patch)
tree9b75f5d5636004d9a9aa496924377379be09aa1f /fs/btrfs/disk-io.c
parentb4d562e3c3553ac58c7120555c4e4aefbb090a2a (diff)
parentfb9e2d887243499b8d28efcf80821c4f6a092395 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/bonding/bond_main.c drivers/net/via-velocity.c drivers/net/wireless/iwlwifi/iwl-agn.c
Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0427183e3e05..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;
}
@@ -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;