Signed-off-by: Christoph Hellwig <h...@lst.de>
---
 drivers/md/linear.c    | 1 -
 drivers/md/md.h        | 7 -------
 drivers/md/multipath.c | 1 -
 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(-)

diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 377a8a3672e3..da363f5d54b0 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -292,7 +292,6 @@ static void linear_make_request(struct mddev *mddev, struct 
bio *bio)
                                
trace_block_bio_remap(bdev_get_queue(split->bi_bdev),
                                                      split, 
disk_devt(mddev->gendisk),
                                                      bio_sector);
-                       mddev_check_writesame(mddev, split);
                        mddev_check_write_zeroes(mddev, split);
                        generic_make_request(split);
                }
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 1e76d64ce180..d82b11b5ae5a 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -703,13 +703,6 @@ 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 &&
-           !bdev_get_queue(bio->bi_bdev)->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/multipath.c b/drivers/md/multipath.c
index e95d521d93e9..68d67a404aab 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -138,7 +138,6 @@ static void 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);
        generic_make_request(&mp_bh->bio);
        return;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index ce7a6a56cf73..c094749c11e5 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -382,7 +382,6 @@ 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, 
mddev->chunk_sectors);
 
@@ -504,7 +503,6 @@ static void raid0_make_request(struct mddev *mddev, struct 
bio *bio)
                                
trace_block_bio_remap(bdev_get_queue(split->bi_bdev),
                                                      split, 
disk_devt(mddev->gendisk),
                                                      bio_sector);
-                       mddev_check_writesame(mddev, split);
                        mddev_check_write_zeroes(mddev, split);
                        generic_make_request(split);
                }
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index b59cc100320a..ac9ef686e625 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -3177,10 +3177,8 @@ 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 28ec3a93acee..79988908f862 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -3748,7 +3748,6 @@ static int raid10_run(struct mddev *mddev)
        if (mddev->queue) {
                blk_queue_max_discard_sectors(mddev->queue,
                                              mddev->chunk_sectors);
-               blk_queue_max_write_same_sectors(mddev->queue, 0);
                blk_queue_max_write_zeroes_sectors(mddev->queue, 0);
                blk_queue_io_min(mddev->queue, chunk_size);
                if (conf->geo.raid_disks % conf->geo.near_copies)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 2efdb0d67460..04fd6a946825 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7262,7 +7262,6 @@ static int raid5_run(struct mddev *mddev)
                blk_queue_max_discard_sectors(mddev->queue,
                                              0xfffe * STRIPE_SECTORS);
 
-               blk_queue_max_write_same_sectors(mddev->queue, 0);
                blk_queue_max_write_zeroes_sectors(mddev->queue, 0);
 
                rdev_for_each(rdev, mddev) {
-- 
2.11.0

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