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Commit 10433d04 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

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: default avatarShaohua Li <shli@fb.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent f8f84b2d

drivers/md/raid5.c

+3 −1
Original line number Diff line number Diff line
@@ -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);