X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-bufio.c;h=c6083132c4b8ccaf21c7addb61cf8596165bf915;hb=3b6b7813b198b578aa7e04e4047ddb8225c37b7f;hp=3c955e10a618c2487422efa8063d1f9924a483cc;hpb=0aefda3e8188ad71168bd32152d41b3d72f04087;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 3c955e1..c608313 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1025,6 +1025,8 @@ void dm_bufio_prefetch(struct dm_bufio_client *c,
 {
 	struct blk_plug plug;
 
+	BUG_ON(dm_bufio_in_request());
+
 	blk_start_plug(&plug);
 	dm_bufio_lock(c);