From 10433d04b8e647a50feffec72fd3cf40ce42b084 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 23 Aug 2017 19:10:28 +0200 Subject: [PATCH] raid5: remove a call to get_start_sect The block layer always remaps partitions before calling into the ->make_request methods of drivers. Thus the call to get_start_sect in in_chunk_boundary will always return 0 and can be removed. Reviewed-by: Shaohua Li Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/md/raid5.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 0fc2748aaf95..d687aeb1b538 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5092,10 +5092,12 @@ static int raid5_congested(struct mddev *mddev, int bits) static int in_chunk_boundary(struct mddev *mddev, struct bio *bio) { struct r5conf *conf = mddev->private; - sector_t sector = bio->bi_iter.bi_sector + get_start_sect(bio->bi_bdev); + sector_t sector = bio->bi_iter.bi_sector; unsigned int chunk_sectors; unsigned int bio_sectors = bio_sectors(bio); + WARN_ON_ONCE(bio->bi_partno); + chunk_sectors = min(conf->chunk_sectors, conf->prev_chunk_sectors); return chunk_sectors >= ((sector & (chunk_sectors - 1)) + bio_sectors); -- 2.20.1