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-rw-r--r--block/blk-zoned.c38
1 files changed, 28 insertions, 10 deletions
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index bad68277c0b2..731d1abb80f6 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -1513,10 +1513,6 @@ static int disk_revalidate_zone_resources(struct gendisk *disk,
if (!disk->zone_wplugs_hash)
return disk_alloc_zone_resources(disk, pool_size);
- /* Resize the zone write plug memory pool if needed. */
- if (disk->zone_wplugs_pool->min_nr != pool_size)
- return mempool_resize(disk->zone_wplugs_pool, pool_size);
-
return 0;
}
@@ -1536,11 +1532,24 @@ static int disk_update_zone_resources(struct gendisk *disk,
struct blk_revalidate_zone_args *args)
{
struct request_queue *q = disk->queue;
+ unsigned int nr_seq_zones, nr_conv_zones = 0;
+ unsigned int pool_size;
struct queue_limits lim;
disk->nr_zones = args->nr_zones;
disk->zone_capacity = args->zone_capacity;
swap(disk->conv_zones_bitmap, args->conv_zones_bitmap);
+ if (disk->conv_zones_bitmap)
+ nr_conv_zones = bitmap_weight(disk->conv_zones_bitmap,
+ disk->nr_zones);
+ if (nr_conv_zones >= disk->nr_zones) {
+ pr_warn("%s: Invalid number of conventional zones %u / %u\n",
+ disk->disk_name, nr_conv_zones, disk->nr_zones);
+ return -ENODEV;
+ }
+
+ if (!disk->zone_wplugs_pool)
+ return 0;
/*
* If the device has no limit on the maximum number of open and active
@@ -1549,14 +1558,23 @@ static int disk_update_zone_resources(struct gendisk *disk,
* dynamic zone write plug allocation when simultaneously writing to
* more zones than the size of the mempool.
*/
- if (disk->zone_wplugs_pool) {
- lim = queue_limits_start_update(q);
- if (!lim.max_open_zones && !lim.max_active_zones)
- lim.max_open_zones = disk->zone_wplugs_pool->min_nr;
- return queue_limits_commit_update(q, &lim);
+ lim = queue_limits_start_update(q);
+
+ nr_seq_zones = disk->nr_zones - nr_conv_zones;
+ pool_size = max(lim.max_open_zones, lim.max_active_zones);
+ if (!pool_size)
+ pool_size = min(BLK_ZONE_WPLUG_DEFAULT_POOL_SIZE, nr_seq_zones);
+
+ mempool_resize(disk->zone_wplugs_pool, pool_size);
+
+ if (!lim.max_open_zones && !lim.max_active_zones) {
+ if (pool_size < nr_seq_zones)
+ lim.max_open_zones = pool_size;
+ else
+ lim.max_open_zones = 0;
}
- return 0;
+ return queue_limits_commit_update(q, &lim);
}
/*