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block: pass a queue_limits argument to blk_mq_alloc_disk

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Pass a queue_limits to blk_mq_alloc_disk and apply it if non-NULL.  This
will allow allocating queues with valid queue limits instead of setting
the values one at a time later.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20240213073425.1621680-11-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2024-02-13 08:34:20 +01:00 committed by Jens Axboe
parent 9ac4dd8c47
commit 27e32cd23f
30 changed files with 35 additions and 33 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/um/drivers/ubd_kern.c
View file

@ -906,7 +906,7 @@ static int ubd_add(int n, char **error_out)
if (err)
goto out;
disk = blk_mq_alloc_disk(&ubd_dev->tag_set, ubd_dev);
disk = blk_mq_alloc_disk(&ubd_dev->tag_set, NULL, ubd_dev);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_cleanup_tags;

5
block/blk-mq.c
View file

@ -4130,13 +4130,14 @@ void blk_mq_destroy_queue(struct request_queue *q)
}
EXPORT_SYMBOL(blk_mq_destroy_queue);
struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set, void *queuedata,
struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set,
struct queue_limits *lim, void *queuedata,
struct lock_class_key *lkclass)
{
struct request_queue *q;
struct gendisk *disk;
q = blk_mq_alloc_queue(set, NULL, queuedata);
q = blk_mq_alloc_queue(set, lim, queuedata);
if (IS_ERR(q))
return ERR_CAST(q);

2
drivers/block/amiflop.c
View file

@ -1779,7 +1779,7 @@ static int fd_alloc_disk(int drive, int system)
struct gendisk *disk;
int err;
disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL);
disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL, NULL);
if (IS_ERR(disk))
return PTR_ERR(disk);

2
drivers/block/aoe/aoeblk.c
View file

@ -371,7 +371,7 @@ aoeblk_gdalloc(void *vp)
goto err_mempool;
}
gd = blk_mq_alloc_disk(set, d);
gd = blk_mq_alloc_disk(set, NULL, d);
if (IS_ERR(gd)) {
pr_err("aoe: cannot allocate block queue for %ld.%d\n",
d->aoemajor, d->aoeminor);

2
drivers/block/ataflop.c
View file

@ -1994,7 +1994,7 @@ static int ataflop_alloc_disk(unsigned int drive, unsigned int type)
{
struct gendisk *disk;
disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL);
disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL, NULL);
if (IS_ERR(disk))
return PTR_ERR(disk);

2
drivers/block/floppy.c
View file

@ -4518,7 +4518,7 @@ static int floppy_alloc_disk(unsigned int drive, unsigned int type)
{
struct gendisk *disk;
disk = blk_mq_alloc_disk(&tag_sets[drive], NULL);
disk = blk_mq_alloc_disk(&tag_sets[drive], NULL, NULL);
if (IS_ERR(disk))
return PTR_ERR(disk);

2
drivers/block/loop.c
View file

@ -2025,7 +2025,7 @@ static int loop_add(int i)
if (err)
goto out_free_idr;
disk = lo->lo_disk = blk_mq_alloc_disk(&lo->tag_set, lo);
disk = lo->lo_disk = blk_mq_alloc_disk(&lo->tag_set, NULL, lo);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_cleanup_tags;

2
drivers/block/mtip32xx/mtip32xx.c
View file

@ -3431,7 +3431,7 @@ static int mtip_block_initialize(struct driver_data *dd)
goto block_queue_alloc_tag_error;
}
dd->disk = blk_mq_alloc_disk(&dd->tags, dd);
dd->disk = blk_mq_alloc_disk(&dd->tags, NULL, dd);
if (IS_ERR(dd->disk)) {
dev_err(&dd->pdev->dev,
"Unable to allocate request queue\n");

2
drivers/block/nbd.c
View file

@ -1823,7 +1823,7 @@ static struct nbd_device *nbd_dev_add(int index, unsigned int refs)
if (err < 0)
goto out_free_tags;
disk = blk_mq_alloc_disk(&nbd->tag_set, NULL);
disk = blk_mq_alloc_disk(&nbd->tag_set, NULL, NULL);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_free_idr;

2
drivers/block/null_blk/main.c
View file

@ -2147,7 +2147,7 @@ static int null_add_dev(struct nullb_device *dev)
goto out_cleanup_queues;
nullb->tag_set->timeout = 5 * HZ;
nullb->disk = blk_mq_alloc_disk(nullb->tag_set, nullb);
nullb->disk = blk_mq_alloc_disk(nullb->tag_set, NULL, nullb);
if (IS_ERR(nullb->disk)) {
rv = PTR_ERR(nullb->disk);
goto out_cleanup_tags;

2
drivers/block/ps3disk.c
View file

@ -431,7 +431,7 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
if (error)
goto fail_teardown;
gendisk = blk_mq_alloc_disk(&priv->tag_set, dev);
gendisk = blk_mq_alloc_disk(&priv->tag_set, NULL, dev);
if (IS_ERR(gendisk)) {
dev_err(&dev->sbd.core, "%s:%u: blk_mq_alloc_disk failed\n",
__func__, __LINE__);

2
drivers/block/rbd.c
View file

@ -4966,7 +4966,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev)
if (err)
return err;
disk = blk_mq_alloc_disk(&rbd_dev->tag_set, rbd_dev);
disk = blk_mq_alloc_disk(&rbd_dev->tag_set, NULL, rbd_dev);
if (IS_ERR(disk)) {
err = PTR_ERR(disk);
goto out_tag_set;

2
drivers/block/rnbd/rnbd-clt.c
View file

@ -1408,7 +1408,7 @@ static int rnbd_client_setup_device(struct rnbd_clt_dev *dev,
dev->size = le64_to_cpu(rsp->nsectors) *
le16_to_cpu(rsp->logical_block_size);
dev->gd = blk_mq_alloc_disk(&dev->sess->tag_set, dev);
dev->gd = blk_mq_alloc_disk(&dev->sess->tag_set, NULL, dev);
if (IS_ERR(dev->gd))
return PTR_ERR(dev->gd);
dev->queue = dev->gd->queue;

2
drivers/block/sunvdc.c
View file

@ -824,7 +824,7 @@ static int probe_disk(struct vdc_port *port)
if (err)
return err;
g = blk_mq_alloc_disk(&port->tag_set, port);
g = blk_mq_alloc_disk(&port->tag_set, NULL, port);
if (IS_ERR(g)) {
printk(KERN_ERR PFX "%s: Could not allocate gendisk.\n",
port->vio.name);

2
drivers/block/swim.c
View file

@ -820,7 +820,7 @@ static int swim_floppy_init(struct swim_priv *swd)
goto exit_put_disks;
swd->unit[drive].disk =
blk_mq_alloc_disk(&swd->unit[drive].tag_set,
blk_mq_alloc_disk(&swd->unit[drive].tag_set, NULL,
&swd->unit[drive]);
if (IS_ERR(swd->unit[drive].disk)) {
blk_mq_free_tag_set(&swd->unit[drive].tag_set);

2
drivers/block/swim3.c
View file

@ -1210,7 +1210,7 @@ static int swim3_attach(struct macio_dev *mdev,
if (rc)
goto out_unregister;
disk = blk_mq_alloc_disk(&fs->tag_set, fs);
disk = blk_mq_alloc_disk(&fs->tag_set, NULL, fs);
if (IS_ERR(disk)) {
rc = PTR_ERR(disk);
goto out_free_tag_set;

2
drivers/block/ublk_drv.c
View file

@ -2222,7 +2222,7 @@ static int ublk_ctrl_start_dev(struct ublk_device *ub, struct io_uring_cmd *cmd)
goto out_unlock;
}
disk = blk_mq_alloc_disk(&ub->tag_set, NULL);
disk = blk_mq_alloc_disk(&ub->tag_set, NULL, NULL);
if (IS_ERR(disk)) {
ret = PTR_ERR(disk);
goto out_unlock;

2
drivers/block/virtio_blk.c
View file

@ -1330,7 +1330,7 @@ static int virtblk_probe(struct virtio_device *vdev)
if (err)
goto out_free_vq;
vblk->disk = blk_mq_alloc_disk(&vblk->tag_set, vblk);
vblk->disk = blk_mq_alloc_disk(&vblk->tag_set, NULL, vblk);
if (IS_ERR(vblk->disk)) {
err = PTR_ERR(vblk->disk);
goto out_free_tags;

2
drivers/block/xen-blkfront.c
View file

@ -1136,7 +1136,7 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity,
if (err)
goto out_release_minors;
gd = blk_mq_alloc_disk(&info->tag_set, info);
gd = blk_mq_alloc_disk(&info->tag_set, NULL, info);
if (IS_ERR(gd)) {
err = PTR_ERR(gd);
goto out_free_tag_set;

2
drivers/block/z2ram.c
View file

@ -318,7 +318,7 @@ static int z2ram_register_disk(int minor)
struct gendisk *disk;
int err;
disk = blk_mq_alloc_disk(&tag_set, NULL);
disk = blk_mq_alloc_disk(&tag_set, NULL, NULL);
if (IS_ERR(disk))
return PTR_ERR(disk);

2
drivers/cdrom/gdrom.c
View file

@ -778,7 +778,7 @@ static int probe_gdrom(struct platform_device *devptr)
if (err)
goto probe_fail_free_cd_info;
gd.disk = blk_mq_alloc_disk(&gd.tag_set, NULL);
gd.disk = blk_mq_alloc_disk(&gd.tag_set, NULL, NULL);
if (IS_ERR(gd.disk)) {
err = PTR_ERR(gd.disk);
goto probe_fail_free_tag_set;

2
drivers/memstick/core/ms_block.c
View file

@ -2093,7 +2093,7 @@ static int msb_init_disk(struct memstick_dev *card)
if (rc)
goto out_release_id;
msb->disk = blk_mq_alloc_disk(&msb->tag_set, card);
msb->disk = blk_mq_alloc_disk(&msb->tag_set, NULL, card);
if (IS_ERR(msb->disk)) {
rc = PTR_ERR(msb->disk);
goto out_free_tag_set;

2
drivers/memstick/core/mspro_block.c
View file

@ -1138,7 +1138,7 @@ static int mspro_block_init_disk(struct memstick_dev *card)
if (rc)
goto out_release_id;
msb->disk = blk_mq_alloc_disk(&msb->tag_set, card);
msb->disk = blk_mq_alloc_disk(&msb->tag_set, NULL, card);
if (IS_ERR(msb->disk)) {
rc = PTR_ERR(msb->disk);
goto out_free_tag_set;

2
drivers/mmc/core/queue.c
View file

@ -447,7 +447,7 @@ struct gendisk *mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
return ERR_PTR(ret);
disk = blk_mq_alloc_disk(&mq->tag_set, mq);
disk = blk_mq_alloc_disk(&mq->tag_set, NULL, mq);
if (IS_ERR(disk)) {
blk_mq_free_tag_set(&mq->tag_set);
return disk;

2
drivers/mtd/mtd_blkdevs.c
View file

@ -333,7 +333,7 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
goto out_kfree_tag_set;
/* Create gendisk */
gd = blk_mq_alloc_disk(new->tag_set, new);
gd = blk_mq_alloc_disk(new->tag_set, NULL, new);
if (IS_ERR(gd)) {
ret = PTR_ERR(gd);
goto out_free_tag_set;

2
drivers/mtd/ubi/block.c
View file

@ -393,7 +393,7 @@ int ubiblock_create(struct ubi_volume_info *vi)
/* Initialize the gendisk of this ubiblock device */
gd = blk_mq_alloc_disk(&dev->tag_set, dev);
gd = blk_mq_alloc_disk(&dev->tag_set, NULL, dev);
if (IS_ERR(gd)) {
ret = PTR_ERR(gd);
goto out_free_tags;

2
drivers/nvme/host/core.c
View file

@ -3694,7 +3694,7 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info)
if (!ns)
return;
disk = blk_mq_alloc_disk(ctrl->tagset, ns);
disk = blk_mq_alloc_disk(ctrl->tagset, NULL, ns);
if (IS_ERR(disk))
goto out_free_ns;
disk->fops = &nvme_bdev_ops;

2
drivers/s390/block/dasd_genhd.c
View file

@ -53,7 +53,7 @@ int dasd_gendisk_alloc(struct dasd_block *block)
if (rc)
return rc;
gdp = blk_mq_alloc_disk(&block->tag_set, block);
gdp = blk_mq_alloc_disk(&block->tag_set, NULL, block);
if (IS_ERR(gdp)) {
blk_mq_free_tag_set(&block->tag_set);
return PTR_ERR(gdp);

2
drivers/s390/block/scm_blk.c
View file

@ -462,7 +462,7 @@ int scm_blk_dev_setup(struct scm_blk_dev *bdev, struct scm_device *scmdev)
if (ret)
goto out;
bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, scmdev);
bdev->gendisk = blk_mq_alloc_disk(&bdev->tag_set, NULL, scmdev);
if (IS_ERR(bdev->gendisk)) {
ret = PTR_ERR(bdev->gendisk);
goto out_tag;

7
include/linux/blk-mq.h
View file

@ -682,13 +682,14 @@ enum {
#define BLK_MQ_NO_HCTX_IDX (-1U)
struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set, void *queuedata,
struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set,
struct queue_limits *lim, void *queuedata,
struct lock_class_key *lkclass);
#define blk_mq_alloc_disk(set, queuedata) \
#define blk_mq_alloc_disk(set, lim, queuedata) \
({ \
static struct lock_class_key __key; \
\
__blk_mq_alloc_disk(set, queuedata, &__key); \
__blk_mq_alloc_disk(set, lim, queuedata, &__key); \
})
struct gendisk *blk_mq_alloc_disk_for_queue(struct request_queue *q,
struct lock_class_key *lkclass);