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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: 393bb12e00 ("block: stop calling blk_queue_bounce for passthrough requests")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Link: https://lore.kernel.org/r/20210409150447.1977410-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-04-09 17:04:46 +02:00 committed by Jens Axboe
parent d173b65aa7
commit cbb749cf37
1 changed files with 0 additions and 3 deletions
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3
block/blk-map.c
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@ -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++;