block: remove an incorrect check from blk_rq_append_bio

blk_rq_append_bio is also used for the copy case, not just the map case, so tis debug check is not correct. Fixes: 393bb12 ("block: stop calling blk_queue_bounce for passthrough requests") Reported-by: Guenter Roeck <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]> Tested-by: Guenter Roeck <[email protected]> Reviewed-by: Himanshu Madhani <[email protected]> Reviewed-by: Chaitanya Kulkarni <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jens Axboe <[email protected]>
kawasaki · Apr 12, 2021 · cbb749c · cbb749c
1 parent d173b65
commit cbb749c
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/block/blk-map.c b/block/blk-map.c
@@ -485,9 +485,6 @@ int blk_rq_append_bio(struct request *rq, struct bio *bio)
 	struct bio_vec bv;
 	unsigned int nr_segs = 0;
 
-	if (WARN_ON_ONCE(rq->q->limits.bounce != BLK_BOUNCE_NONE))
-		return -EINVAL;
-
 	bio_for_each_bvec(bv, bio, iter)
 		nr_segs++;