lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Btrfs: Properly release lock in pin_down_bytes

Browse Source 
When buffer isn't uptodate, pin_down_bytes may leave the tree locked
after it returns.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan
2008-07-24 12:18:16 -04:00
committed by Chris Mason
parent 45467261ed
commit 974e35a82d
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/btrfs/extent-tree.c
View File

@@ -1485,8 +1485,8 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes,
struct extent_buffer *buf; struct extent_buffer *buf;
buf = btrfs_find_tree_block(root, bytenr, num_bytes); buf = btrfs_find_tree_block(root, bytenr, num_bytes);
if (buf) { if (buf) {
if (btrfs_try_tree_lock(buf) && if (btrfs_buffer_uptodate(buf, 0) &&
btrfs_buffer_uptodate(buf, 0)) { btrfs_try_tree_lock(buf)) {
u64 transid = u64 transid =
root->fs_info->running_transaction->transid; root->fs_info->running_transaction->transid;
u64 header_transid = u64 header_transid =