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scsi: bsg: Pass queue_limits to bsg_setup_queue() 

This allows bsg_setup_queue() to pass them to blk_mq_alloc_queue() and thus
set up the limits at queue allocation time.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240409143748.980206-3-hch@lst.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig 2024-04-09 16:37:27 +02:00 committed by Martin K. Petersen
parent 293066264f
commit 4373d2ecca
7 changed files with 16 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
block/bsg-lib.c
View File

@ -354,12 +354,14 @@ static const struct blk_mq_ops bsg_mq_ops = {
* bsg_setup_queue - Create and add the bsg hooks so we can receive requests
* @dev: device to attach bsg device to
* @name: device to give bsg device
* @lim: queue limits for the bsg queue
* @job_fn: bsg job handler
* @timeout: timeout handler function pointer
* @dd_job_size: size of LLD data needed for each job
*/
struct request_queue *bsg_setup_queue(struct device *dev, const char *name,
bsg_job_fn *job_fn, bsg_timeout_fn *timeout, int dd_job_size)
struct queue_limits *lim, bsg_job_fn *job_fn,
bsg_timeout_fn *timeout, int dd_job_size)
{
struct bsg_set *bset;
struct blk_mq_tag_set *set;
@ -383,7 +385,7 @@ struct request_queue *bsg_setup_queue(struct device *dev, const char *name,
if (blk_mq_alloc_tag_set(set))
goto out_tag_set;
q = blk_mq_alloc_queue(set, NULL, NULL);
q = blk_mq_alloc_queue(set, lim, NULL);
if (IS_ERR(q)) {
ret = PTR_ERR(q);
goto out_queue;

2
drivers/scsi/mpi3mr/mpi3mr_app.c
View File

@ -1860,7 +1860,7 @@ void mpi3mr_bsg_init(struct mpi3mr_ioc *mrioc)
return;
}
mrioc->bsg_queue = bsg_setup_queue(bsg_dev, dev_name(bsg_dev),
mrioc->bsg_queue = bsg_setup_queue(bsg_dev, dev_name(bsg_dev), NULL,
mpi3mr_bsg_request, NULL, 0);
if (IS_ERR(mrioc->bsg_queue)) {
ioc_err(mrioc, "%s: bsg registration failed\n",

6
drivers/scsi/scsi_transport_fc.c
View File

@ -4287,8 +4287,8 @@ fc_bsg_hostadd(struct Scsi_Host *shost, struct fc_host_attrs *fc_host)
snprintf(bsg_name, sizeof(bsg_name),
"fc_host%d", shost->host_no);
q = bsg_setup_queue(dev, bsg_name, fc_bsg_dispatch, fc_bsg_job_timeout,
i->f->dd_bsg_size);
q = bsg_setup_queue(dev, bsg_name, NULL, fc_bsg_dispatch,
fc_bsg_job_timeout, i->f->dd_bsg_size);
if (IS_ERR(q)) {
dev_err(dev,
"fc_host%d: bsg interface failed to initialize - setup queue\n",
@ -4318,7 +4318,7 @@ fc_bsg_rportadd(struct Scsi_Host *shost, struct fc_rport *rport)
if (!i->f->bsg_request)
return -ENOTSUPP;
q = bsg_setup_queue(dev, dev_name(dev), fc_bsg_dispatch_prep,
q = bsg_setup_queue(dev, dev_name(dev), NULL, fc_bsg_dispatch_prep,
fc_bsg_job_timeout, i->f->dd_bsg_size);
if (IS_ERR(q)) {
dev_err(dev, "failed to setup bsg queue\n");

3
drivers/scsi/scsi_transport_iscsi.c
View File

@ -1542,7 +1542,8 @@ iscsi_bsg_host_add(struct Scsi_Host *shost, struct iscsi_cls_host *ihost)
return -ENOTSUPP;
snprintf(bsg_name, sizeof(bsg_name), "iscsi_host%d", shost->host_no);
q = bsg_setup_queue(dev, bsg_name, iscsi_bsg_host_dispatch, NULL, 0);
q = bsg_setup_queue(dev, bsg_name, NULL, iscsi_bsg_host_dispatch, NULL,
0);
if (IS_ERR(q)) {
shost_printk(KERN_ERR, shost, "bsg interface failed to "
"initialize - no request queue\n");

4
drivers/scsi/scsi_transport_sas.c
View File

@ -197,7 +197,7 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy)
}
if (rphy) {
q = bsg_setup_queue(&rphy->dev, dev_name(&rphy->dev),
q = bsg_setup_queue(&rphy->dev, dev_name(&rphy->dev), NULL,
sas_smp_dispatch, NULL, 0);
if (IS_ERR(q))
return PTR_ERR(q);
@ -206,7 +206,7 @@ static int sas_bsg_initialize(struct Scsi_Host *shost, struct sas_rphy *rphy)
char name[20];
snprintf(name, sizeof(name), "sas_host%d", shost->host_no);
q = bsg_setup_queue(&shost->shost_gendev, name,
q = bsg_setup_queue(&shost->shost_gendev, name, NULL,
sas_smp_dispatch, NULL, 0);
if (IS_ERR(q))
return PTR_ERR(q);

3
drivers/ufs/core/ufs_bsg.c
View File

@ -253,7 +253,8 @@ int ufs_bsg_probe(struct ufs_hba *hba)
if (ret)
goto out;
q = bsg_setup_queue(bsg_dev, dev_name(bsg_dev), ufs_bsg_request, NULL, 0);
q = bsg_setup_queue(bsg_dev, dev_name(bsg_dev), NULL, ufs_bsg_request,
NULL, 0);
if (IS_ERR(q)) {
ret = PTR_ERR(q);
goto out;

3
include/linux/bsg-lib.h
View File

@ -65,7 +65,8 @@ struct bsg_job {
void bsg_job_done(struct bsg_job *job, int result,
unsigned int reply_payload_rcv_len);
struct request_queue *bsg_setup_queue(struct device *dev, const char *name,
bsg_job_fn *job_fn, bsg_timeout_fn *timeout, int dd_job_size);
struct queue_limits *lim, bsg_job_fn *job_fn,
bsg_timeout_fn *timeout, int dd_job_size);
void bsg_remove_queue(struct request_queue *q);
void bsg_job_put(struct bsg_job *job);
int __must_check bsg_job_get(struct bsg_job *job);