Commit a273208e authored by Yan's avatar Yan Committed by Chris Mason
Browse files

Fix EXTENT_MAP_INLINE off by one in btrfs_drop_extents 



Don't set hint_byte to EXTENT_MAP_INLINE when 'end == extent_end' or
'start == key.offset' . The inline extent will be truncated in these
cases.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent dcfec0dc

fs/btrfs/file.c

+1 −2
Original line number Diff line number Diff line
@@ -475,8 +475,7 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans, 
			search_start = (extent_end + mask) & ~mask;

		} else

			search_start = extent_end;



		if (end <= extent_end && start >= key.offset && found_inline) {

		if (end < extent_end && start > key.offset && found_inline) {

			*hint_byte = EXTENT_MAP_INLINE;

		}

		if (end < extent_end && end >= key.offset) {