[1/4] bsg-lib: pass the release callback through bsg_setup_queue

Commit Message

Christoph Hellwig Aug. 25, 2017, 3:37 p.m. UTC

The SAS code will need it.  Also mark the name argument const to match
bsg_register_queue.

Signed-off-by: Christoph Hellwig <[e-mail]>
---
 block/bsg-lib.c                     | 7 ++++---
 drivers/scsi/scsi_transport_fc.c    | 6 ++++--
 drivers/scsi/scsi_transport_iscsi.c | 2 +-
 include/linux/bsg-lib.h             | 5 +++--
 4 files changed, 12 insertions(+), 8 deletions(-)

Comments

Johannes Thumshirn Aug. 29, 2017, 11:31 a.m. UTC | #1

Looks good,
Reviewed-by: Johannes Thumshirn <[e-mail]>

Patch

diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index dd56d7460cb9..c82408c7cc3c 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -239,8 +239,9 @@  static void bsg_exit_rq(struct request_queue *q, struct request *req)
  * @job_fn: bsg job handler
  * @dd_job_size: size of LLD data needed for each job
  */
-struct request_queue *bsg_setup_queue(struct device *dev, char *name,
-		bsg_job_fn *job_fn, int dd_job_size)
+struct request_queue *bsg_setup_queue(struct device *dev, const char *name,
+		bsg_job_fn *job_fn, int dd_job_size,
+		void (*release)(struct device *))
 {
 	struct request_queue *q;
 	int ret;
@@ -264,7 +265,7 @@  struct request_queue *bsg_setup_queue(struct device *dev, char *name,
 	blk_queue_softirq_done(q, bsg_softirq_done);
 	blk_queue_rq_timeout(q, BLK_DEFAULT_SG_TIMEOUT);
 
-	ret = bsg_register_queue(q, dev, name, NULL);
+	ret = bsg_register_queue(q, dev, name, release);
 	if (ret) {
 		printk(KERN_ERR "%s: bsg interface failed to "
 		       "initialize - register queue\n", dev->kobj.name);
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 892fbd9800d9..0b453583fce0 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -3763,7 +3763,8 @@  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, i->f->dd_bsg_size);
+	q = bsg_setup_queue(dev, bsg_name, fc_bsg_dispatch, i->f->dd_bsg_size,
+			NULL);
 	if (IS_ERR(q)) {
 		dev_err(dev,
 			"fc_host%d: bsg interface failed to initialize - setup queue\n",
@@ -3808,7 +3809,8 @@  fc_bsg_rportadd(struct Scsi_Host *shost, struct fc_rport *rport)
 	if (!i->f->bsg_request)
 		return -ENOTSUPP;
 
-	q = bsg_setup_queue(dev, NULL, fc_bsg_dispatch, i->f->dd_bsg_size);
+	q = bsg_setup_queue(dev, NULL, fc_bsg_dispatch, i->f->dd_bsg_size,
+			NULL);
 	if (IS_ERR(q)) {
 		dev_err(dev, "failed to setup bsg queue\n");
 		return PTR_ERR(q);
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index a424eaeafeb0..75b3a8d015e1 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1542,7 +1542,7 @@  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, 0);
+	q = bsg_setup_queue(dev, bsg_name, iscsi_bsg_host_dispatch, 0, NULL);
 	if (IS_ERR(q)) {
 		shost_printk(KERN_ERR, shost, "bsg interface failed to "
 			     "initialize - no request queue\n");
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
index 637a20cfb237..b1be0233ce35 100644
--- a/include/linux/bsg-lib.h
+++ b/include/linux/bsg-lib.h
@@ -68,8 +68,9 @@  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, char *name,
-		bsg_job_fn *job_fn, int dd_job_size);
+struct request_queue *bsg_setup_queue(struct device *dev, const char *name,
+		bsg_job_fn *job_fn, int dd_job_size,
+		void (*release)(struct device *));
 void bsg_job_put(struct bsg_job *job);
 int __must_check bsg_job_get(struct bsg_job *job);