X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=fs%2Fbtrfs%2Fextent-tree.c;h=45c69c4184c9a6070883ef42e6f3d805a72192eb;hb=55e591ffde38e0088b022129e035e18a8d04c7e6;hp=4e1b153b7c47c99e00adffd8ee6d24e2db29093d;hpb=57a5a882031dba5cb7bc7ebc955b897498365fe2;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4e1b153..45c69c4 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);