[PATCH 1/2] btrfs: handle failures of set_extent_bits in add_excluded_extent

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



set_extent_bits may return 0/-EEXIST, so return the result in
add_excluded_extent.

Signed-off-by: Gu Jinxiang <gujx@xxxxxxxxxxxxxx>
---
 fs/btrfs/extent-tree.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 75cfb80d2551..2e85e99b5e6f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -215,11 +215,16 @@ static int add_excluded_extent(struct btrfs_fs_info *fs_info,
 			       u64 start, u64 num_bytes)
 {
 	u64 end = start + num_bytes - 1;
-	set_extent_bits(&fs_info->freed_extents[0],
+	int ret = 0;
+
+	ret = set_extent_bits(&fs_info->freed_extents[0],
 			start, end, EXTENT_UPTODATE);
-	set_extent_bits(&fs_info->freed_extents[1],
+	if (ret)
+		goto out;
+	ret = set_extent_bits(&fs_info->freed_extents[1],
 			start, end, EXTENT_UPTODATE);
-	return 0;
+out:
+	return ret;
 }
 
 static void free_excluded_extents(struct btrfs_fs_info *fs_info,
-- 
1.9.1



--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux