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authorChristoph Hellwig <hch@lst.de>2022-02-09 11:28:26 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2022-02-23 05:11:08 +0300
commit10fa225c33a97385f2843e60b8e86b0ce0cd1e5f (patch)
tree0bef64a326edfbdd2fc6dbeb547c8d5a7cddf088 /drivers/md
parente383e16e84e97375d543f0dcf6f49b4d1618dbf2 (diff)
downloadlinux-10fa225c33a97385f2843e60b8e86b0ce0cd1e5f.tar.xz
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 <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md-linear.c1
-rw-r--r--drivers/md/md-multipath.c1
-rw-r--r--drivers/md/md.h7
-rw-r--r--drivers/md/raid0.c2
-rw-r--r--drivers/md/raid1.c4
-rw-r--r--drivers/md/raid10.c1
-rw-r--r--drivers/md/raid5.c1
7 files changed, 1 insertions, 16 deletions
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) {