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Btrfs: fix btrfs_unlock_up_safe to walk the entire path 

btrfs_unlock_up_safe would break out at the first NULL node entry or
unlocked node it found in the path.

Some of the callers have missing nodes at the lower levels of the path, so this
commit fixes things to check all the nodes in the path before returning.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2009-02-04 09:31:42 -05:00
parent 4d081c41a4
commit 12f4daccfc
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/ctree.c
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@ -1439,9 +1439,9 @@ noinline void btrfs_unlock_up_safe(struct btrfs_path *path, int level)
for (i = level; i < BTRFS_MAX_LEVEL; i++) {
if (!path->nodes[i])
break;
continue;
if (!path->locks[i])
break;
continue;
btrfs_tree_unlock(path->nodes[i]);
path->locks[i] = 0;
}