[PATCH 2/2] btrfs: propagate failures of __exclude_logged_extent to upper caller

[Gu Jinxiang <gujx@cn.fujitsu.com>]

Function btrfs_exclude_logged_extents may call __exclude_logged_extent
which may fail.
Propagate the failures of __exclude_logged_extent to upper caller.

Signed-off-by: Gu Jinxiang <gujx@cn.fujitsu.com>
---
 fs/btrfs/extent-tree.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 2e85e99b5e6f..28fd71579141 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6468,6 +6468,7 @@ int btrfs_exclude_logged_extents(struct btrfs_fs_info *fs_info,
 	struct btrfs_key key;
 	int found_type;
 	int i;
+	int ret = 0;
 
 	if (!btrfs_fs_incompat(fs_info, MIXED_GROUPS))
 		return 0;
@@ -6484,10 +6485,14 @@ int btrfs_exclude_logged_extents(struct btrfs_fs_info *fs_info,
 			continue;
 		key.objectid = btrfs_file_extent_disk_bytenr(eb, item);
 		key.offset = btrfs_file_extent_disk_num_bytes(eb, item);
-		__exclude_logged_extent(fs_info, key.objectid, key.offset);
+		ret = __exclude_logged_extent(fs_info, key.objectid,
+				key.offset);
+		if (ret)
+			goto out;
 	}
 
-	return 0;
+out:
+	return ret;
 }
 
 static void
-- 
1.9.1