summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2024-05-27 14:36:20 +0200
committerJens Axboe <axboe@kernel.dk>2024-05-27 09:16:39 -0600
commitc8c1f7012b807ca4da0136eacab96961b56f25d5 (patch)
treefcd761caea1cb4f9560dea53799287cc3f939f82
parent5e7a4bbcc33d7df6bcc8565a8938c196285e5423 (diff)
downloadlinux-stable-c8c1f7012b807ca4da0136eacab96961b56f25d5.tar.gz
linux-stable-c8c1f7012b807ca4da0136eacab96961b56f25d5.tar.bz2
linux-stable-c8c1f7012b807ca4da0136eacab96961b56f25d5.zip
dm: make dm_set_zones_restrictions work on the queue limits
Don't stuff the values directly into the queue without any synchronization, but instead delay applying the queue limits in the caller and let dm_set_zones_restrictions work on the limit structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Link: https://lore.kernel.org/r/20240527123634.1116952-4-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--drivers/md/dm-table.c12
-rw-r--r--drivers/md/dm-zone.c11
-rw-r--r--drivers/md/dm.h3
3 files changed, 14 insertions, 12 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index e291b78b307b..b2d5246cff21 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1981,10 +1981,6 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
if (!dm_table_supports_secure_erase(t))
limits->max_secure_erase_sectors = 0;
- r = queue_limits_set(q, limits);
- if (r)
- return r;
-
if (dm_table_supports_flush(t, (1UL << QUEUE_FLAG_WC))) {
wc = true;
if (dm_table_supports_flush(t, (1UL << QUEUE_FLAG_FUA)))
@@ -2036,12 +2032,16 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
* For a zoned target, setup the zones related queue attributes
* and resources necessary for zone append emulation if necessary.
*/
- if (blk_queue_is_zoned(q)) {
- r = dm_set_zones_restrictions(t, q);
+ if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) && limits->zoned) {
+ r = dm_set_zones_restrictions(t, q, limits);
if (r)
return r;
}
+ r = queue_limits_set(q, limits);
+ if (r)
+ return r;
+
dm_update_crypto_profile(q, t);
/*
diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c
index 0ee22494857d..5d66d916730e 100644
--- a/drivers/md/dm-zone.c
+++ b/drivers/md/dm-zone.c
@@ -220,7 +220,8 @@ static bool dm_table_supports_zone_append(struct dm_table *t)
return true;
}
-int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q)
+int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q,
+ struct queue_limits *lim)
{
struct mapped_device *md = t->md;
struct gendisk *disk = md->disk;
@@ -236,7 +237,7 @@ int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q)
clear_bit(DMF_EMULATE_ZONE_APPEND, &md->flags);
} else {
set_bit(DMF_EMULATE_ZONE_APPEND, &md->flags);
- blk_queue_max_zone_append_sectors(q, 0);
+ lim->max_zone_append_sectors = 0;
}
if (!get_capacity(md->disk))
@@ -260,9 +261,9 @@ int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q)
* a regular device.
*/
if (nr_conv_zones >= ret) {
- disk->queue->limits.max_open_zones = 0;
- disk->queue->limits.max_active_zones = 0;
- disk->queue->limits.zoned = false;
+ lim->max_open_zones = 0;
+ lim->max_active_zones = 0;
+ lim->zoned = false;
clear_bit(DMF_EMULATE_ZONE_APPEND, &md->flags);
disk->nr_zones = 0;
return 0;
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index e0c57f19839b..53ef8207fe2c 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -101,7 +101,8 @@ int dm_setup_md_queue(struct mapped_device *md, struct dm_table *t);
/*
* Zoned targets related functions.
*/
-int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q);
+int dm_set_zones_restrictions(struct dm_table *t, struct request_queue *q,
+ struct queue_limits *lim);
void dm_zone_endio(struct dm_io *io, struct bio *clone);
#ifdef CONFIG_BLK_DEV_ZONED
int dm_blk_report_zones(struct gendisk *disk, sector_t sector,