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authorJens Axboe <axboe@kernel.dk>2025-09-17 07:20:42 -0600
committerJens Axboe <axboe@kernel.dk>2025-09-17 07:20:42 -0600
commitde09bcb81874b1c92bc624482e8d028dd454603f (patch)
tree5d7b5782d75697c9aee38ba456acacbf952b17c8
parent743bf030947169c413a711f60cebe73f837e649f (diff)
parentf0bd03832f5c84f90919bd018156b1b6eb911692 (diff)
Merge tag 'md-6.17-20250917' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into block-6.17
Pull MD fixes from Yu Kuai: "For 6.17 on drivers supporting write zeros, raid{0,1,10,5} are broken and can't be assembled." * tag 'md-6.17-20250917' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux: md: init queue_limits->max_hw_wzeroes_unmap_sectors parameter
-rw-r--r--drivers/md/md-linear.c1
-rw-r--r--drivers/md/raid0.c1
-rw-r--r--drivers/md/raid1.c1
-rw-r--r--drivers/md/raid10.c1
-rw-r--r--drivers/md/raid5.c1
5 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c
index 5d9b08115375..3e1f165c2d20 100644
--- a/drivers/md/md-linear.c
+++ b/drivers/md/md-linear.c
@@ -73,6 +73,7 @@ static int linear_set_limits(struct mddev *mddev)
md_init_stacking_limits(&lim);
lim.max_hw_sectors = mddev->chunk_sectors;
lim.max_write_zeroes_sectors = mddev->chunk_sectors;
+ lim.max_hw_wzeroes_unmap_sectors = mddev->chunk_sectors;
lim.io_min = mddev->chunk_sectors << 9;
err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);
if (err)
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index f1d8811a542a..419139ad7663 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -382,6 +382,7 @@ static int raid0_set_limits(struct mddev *mddev)
md_init_stacking_limits(&lim);
lim.max_hw_sectors = mddev->chunk_sectors;
lim.max_write_zeroes_sectors = mddev->chunk_sectors;
+ lim.max_hw_wzeroes_unmap_sectors = mddev->chunk_sectors;
lim.io_min = mddev->chunk_sectors << 9;
lim.io_opt = lim.io_min * mddev->raid_disks;
lim.chunk_sectors = mddev->chunk_sectors;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index bf44878ec640..d30b82beeb92 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -3211,6 +3211,7 @@ static int raid1_set_limits(struct mddev *mddev)
md_init_stacking_limits(&lim);
lim.max_write_zeroes_sectors = 0;
+ lim.max_hw_wzeroes_unmap_sectors = 0;
lim.features |= BLK_FEAT_ATOMIC_WRITES;
err = mddev_stack_rdev_limits(mddev, &lim, MDDEV_STACK_INTEGRITY);
if (err)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index b60c30bfb6c7..9832eefb2f15 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -4008,6 +4008,7 @@ static int raid10_set_queue_limits(struct mddev *mddev)
md_init_stacking_limits(&lim);
lim.max_write_zeroes_sectors = 0;
+ lim.max_hw_wzeroes_unmap_sectors = 0;
lim.io_min = mddev->chunk_sectors << 9;
lim.chunk_sectors = mddev->chunk_sectors;
lim.io_opt = lim.io_min * raid10_nr_stripes(conf);
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 023649fe2476..e385ef1355e8 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -7732,6 +7732,7 @@ static int raid5_set_limits(struct mddev *mddev)
lim.features |= BLK_FEAT_RAID_PARTIAL_STRIPES_EXPENSIVE;
lim.discard_granularity = stripe;
lim.max_write_zeroes_sectors = 0;
+ lim.max_hw_wzeroes_unmap_sectors = 0;
mddev_stack_rdev_limits(mddev, &lim, 0);
rdev_for_each(rdev, mddev)
queue_limits_stack_bdev(&lim, rdev->bdev, rdev->new_data_offset,