From 10fa225c33a97385f2843e60b8e86b0ce0cd1e5f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 9 Feb 2022 09:28:26 +0100 Subject: scsi: md: Remove WRITE_SAME support There are no more end-users of REQ_OP_WRITE_SAME left, so we can start deleting it. Link: https://lore.kernel.org/r/20220209082828.2629273-6-hch@lst.de Signed-off-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/md/md-linear.c | 1 - drivers/md/md-multipath.c | 1 - drivers/md/md.h | 7 ------- drivers/md/raid0.c | 2 -- drivers/md/raid1.c | 4 +--- drivers/md/raid10.c | 1 - drivers/md/raid5.c | 1 - 7 files changed, 1 insertion(+), 16 deletions(-) (limited to 'drivers/md') diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c index 1ff51647a682..0f55b079371b 100644 --- a/drivers/md/md-linear.c +++ b/drivers/md/md-linear.c @@ -259,7 +259,6 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio) if (mddev->gendisk) trace_block_bio_remap(bio, disk_devt(mddev->gendisk), bio_sector); - mddev_check_writesame(mddev, bio); mddev_check_write_zeroes(mddev, bio); submit_bio_noacct(bio); } diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c index e7d6486f090f..ae0b0a9f2a98 100644 --- a/drivers/md/md-multipath.c +++ b/drivers/md/md-multipath.c @@ -129,7 +129,6 @@ static bool multipath_make_request(struct mddev *mddev, struct bio * bio) mp_bh->bio.bi_opf |= REQ_FAILFAST_TRANSPORT; mp_bh->bio.bi_end_io = multipath_end_request; mp_bh->bio.bi_private = mp_bh; - mddev_check_writesame(mddev, &mp_bh->bio); mddev_check_write_zeroes(mddev, &mp_bh->bio); submit_bio_noacct(&mp_bh->bio); return true; diff --git a/drivers/md/md.h b/drivers/md/md.h index f1bf3625ef4c..6ac283864533 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -797,13 +797,6 @@ static inline void mddev_clear_unsupported_flags(struct mddev *mddev, mddev->flags &= ~unsupported_flags; } -static inline void mddev_check_writesame(struct mddev *mddev, struct bio *bio) -{ - if (bio_op(bio) == REQ_OP_WRITE_SAME && - !bio->bi_bdev->bd_disk->queue->limits.max_write_same_sectors) - mddev->queue->limits.max_write_same_sectors = 0; -} - static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio) { if (bio_op(bio) == REQ_OP_WRITE_ZEROES && diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index b59a77b31b90..b21e101183f4 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -402,7 +402,6 @@ static int raid0_run(struct mddev *mddev) bool discard_supported = false; blk_queue_max_hw_sectors(mddev->queue, mddev->chunk_sectors); - blk_queue_max_write_same_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_max_write_zeroes_sectors(mddev->queue, mddev->chunk_sectors); blk_queue_max_discard_sectors(mddev->queue, UINT_MAX); @@ -594,7 +593,6 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio) if (mddev->gendisk) trace_block_bio_remap(bio, disk_devt(mddev->gendisk), bio_sector); - mddev_check_writesame(mddev, bio); mddev_check_write_zeroes(mddev, bio); submit_bio_noacct(bio); return true; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index e2d8acb1e988..203ec58f0d3e 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -3147,10 +3147,8 @@ static int raid1_run(struct mddev *mddev) if (IS_ERR(conf)) return PTR_ERR(conf); - if (mddev->queue) { - blk_queue_max_write_same_sectors(mddev->queue, 0); + if (mddev->queue) blk_queue_max_write_zeroes_sectors(mddev->queue, 0); - } rdev_for_each(rdev, mddev) { if (!mddev->gendisk) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 2b969f70a31f..4086273497c6 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -4115,7 +4115,6 @@ static int raid10_run(struct mddev *mddev) if (mddev->queue) { blk_queue_max_discard_sectors(mddev->queue, UINT_MAX); - blk_queue_max_write_same_sectors(mddev->queue, 0); blk_queue_max_write_zeroes_sectors(mddev->queue, 0); blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9); raid10_set_io_opt(conf); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index ffe720c73b0a..06025f7177e3 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -7767,7 +7767,6 @@ static int raid5_run(struct mddev *mddev) mddev->queue->limits.discard_alignment = stripe; mddev->queue->limits.discard_granularity = stripe; - blk_queue_max_write_same_sectors(mddev->queue, 0); blk_queue_max_write_zeroes_sectors(mddev->queue, 0); rdev_for_each(rdev, mddev) { -- cgit v1.2.3