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aoe: pass queue_limits to blk_mq_alloc_disk

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Pass the few limits aoe imposes directly to blk_mq_alloc_disk instead
of setting them one at a time and improve the way the default
max_hw_sectors is initialized while we're at it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240215070300.2200308-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-02-15 08:02:45 +01:00 committed by Jens Axboe
parent 5d6789ce33
commit 9999200f58
1 changed files with 7 additions and 8 deletions
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15
drivers/block/aoe/aoeblk.c
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@ -24,8 +24,8 @@ static DEFINE_MUTEX(aoeblk_mutex);
static struct kmem_cache *buf_pool_cache;
static struct dentry *aoe_debugfs_dir;
/* GPFS needs a larger value than the default. */
static int aoe_maxsectors;
/* random default picked from the historic block max_sectors cap */
static int aoe_maxsectors = 2560;
module_param(aoe_maxsectors, int, 0644);
MODULE_PARM_DESC(aoe_maxsectors,
"When nonzero, set the maximum number of sectors per I/O request");
@ -334,6 +334,10 @@ aoeblk_gdalloc(void *vp)
mempool_t *mp;
struct blk_mq_tag_set *set;
sector_t ssize;
struct queue_limits lim = {
.max_hw_sectors = aoe_maxsectors,
.io_opt = SZ_2M,
};
ulong flags;
int late = 0;
int err;
@ -371,7 +375,7 @@ aoeblk_gdalloc(void *vp)
goto err_mempool;
}
gd = blk_mq_alloc_disk(set, NULL, d);
gd = blk_mq_alloc_disk(set, &lim, d);
if (IS_ERR(gd)) {
pr_err("aoe: cannot allocate block queue for %ld.%d\n",
d->aoemajor, d->aoeminor);
@ -384,14 +388,9 @@ aoeblk_gdalloc(void *vp)
WARN_ON(d->flags & DEVFL_TKILL);
WARN_ON(d->gd);
WARN_ON(d->flags & DEVFL_UP);
/* random number picked from the history block max_sectors cap */
blk_queue_max_hw_sectors(gd->queue, 2560u);
blk_queue_io_opt(gd->queue, SZ_2M);
d->bufpool = mp;
d->blkq = gd->queue;
d->gd = gd;
if (aoe_maxsectors)
blk_queue_max_hw_sectors(gd->queue, aoe_maxsectors);
gd->major = AOE_MAJOR;
gd->first_minor = d->sysminor;
gd->minors = AOE_PARTITIONS;