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authorDan Carpenter <dan.carpenter@oracle.com>2012-07-30 02:15:15 -0600
committerChris Mason <chris.mason@oracle.com>2012-08-28 16:53:25 -0400
commit55e591ffde38e0088b022129e035e18a8d04c7e6 (patch)
tree535f4dde9fab0a710d92a9e6a330aefc7a85e498
parent57a5a882031dba5cb7bc7ebc955b897498365fe2 (diff)
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Btrfs: unlock on error in btrfs_delalloc_reserve_metadata()
We should release this mutex before returning the error code. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
-rw-r--r--fs/btrfs/extent-tree.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4e1b153b7c4..45c69c4184c 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4571,8 +4571,10 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
if (root->fs_info->quota_enabled) {
ret = btrfs_qgroup_reserve(root, num_bytes +
nr_extents * root->leafsize);
- if (ret)
+ if (ret) {
+ mutex_unlock(&BTRFS_I(inode)->delalloc_mutex);
return ret;
+ }
}
ret = reserve_metadata_bytes(root, block_rsv, to_reserve, flush);