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authorJohannes Thumshirn <jthumshirn@suse.de>2016-11-17 12:31:20 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-11-18 04:15:25 +0300
commitc00da4c90ffd066cdfe7f53ff3529c8ab4a35db0 (patch)
treed2cf6b3db87f8379926d039c6786947318cf7407
parent75cc8cfc6e13d42d50c2bf4307d0a68c2a70f709 (diff)
downloadlinux-c00da4c90ffd066cdfe7f53ff3529c8ab4a35db0.tar.xz
scsi: fc: Use bsg_destroy_job
fc_destroy_bsgjob() and bsg_destroy_job() are now 1:1 copies, so use the latter. As bsg_destroy_job() comes from bsg-lib we need to select it in Kconfig once CONFOG_SCSI_FC_ATTRS is active. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--block/bsg-lib.c7
-rw-r--r--drivers/scsi/Kconfig1
-rw-r--r--drivers/scsi/scsi_transport_fc.c25
-rw-r--r--include/linux/bsg-lib.h1
4 files changed, 10 insertions, 24 deletions
diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index 632fb4006c40..9f1e8fde924a 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -32,9 +32,12 @@
* bsg_destroy_job - routine to teardown/delete a bsg job
* @job: bsg_job that is to be torn down
*/
-static void bsg_destroy_job(struct kref *kref)
+void bsg_destroy_job(struct kref *kref)
{
struct bsg_job *job = container_of(kref, struct bsg_job, kref);
+ struct request *rq = job->req;
+
+ blk_end_request_all(rq, rq->errors);
put_device(job->dev); /* release reference for the request */
@@ -42,6 +45,7 @@ static void bsg_destroy_job(struct kref *kref)
kfree(job->reply_payload.sg_list);
kfree(job);
}
+EXPORT_SYMBOL_GPL(bsg_destroy_job);
/**
* bsg_job_done - completion routine for bsg requests
@@ -85,7 +89,6 @@ static void bsg_softirq_done(struct request *rq)
{
struct bsg_job *job = rq->special;
- blk_end_request_all(rq, rq->errors);
kref_put(&job->kref, bsg_destroy_job);
}
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 3b416c9efe5e..dfa93347c752 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -263,6 +263,7 @@ config SCSI_SPI_ATTRS
config SCSI_FC_ATTRS
tristate "FiberChannel Transport Attributes"
depends on SCSI && NET
+ select BLK_DEV_BSGLIB
select SCSI_NETLINK
help
If you wish to export transport-specific information about
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index bb705e02374c..616c7e1cbab2 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -30,6 +30,7 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/kernel.h>
+#include <linux/bsg-lib.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport.h>
@@ -3554,26 +3555,6 @@ fc_vport_sched_delete(struct work_struct *work)
* BSG support
*/
-
-/**
- * fc_destroy_bsgjob - routine to teardown/delete a fc bsg job
- * @job: fc_bsg_job that is to be torn down
- */
-static void
-fc_destroy_bsgjob(struct kref *kref)
-{
- struct bsg_job *job = container_of(kref, struct bsg_job, kref);
- struct request *rq = job->req;
-
- blk_end_request_all(rq, rq->errors);
-
- put_device(job->dev); /* release reference for the request */
-
- kfree(job->request_payload.sg_list);
- kfree(job->reply_payload.sg_list);
- kfree(job);
-}
-
/**
* fc_bsg_jobdone - completion routine for bsg requests that the LLD has
* completed
@@ -3617,7 +3598,7 @@ static void fc_bsg_softirq_done(struct request *rq)
{
struct bsg_job *job = rq->special;
- kref_put(&job->kref, fc_destroy_bsgjob);
+ kref_put(&job->kref, bsg_destroy_job);
}
/**
@@ -3642,7 +3623,7 @@ fc_bsg_job_timeout(struct request *req)
/* call LLDD to abort the i/o as it has timed out */
err = i->f->bsg_timeout(job);
if (err == -EAGAIN) {
- kref_put(&job->kref, fc_destroy_bsgjob);
+ kref_put(&job->kref, bsg_destroy_job);
return BLK_EH_RESET_TIMER;
} else if (err)
printk(KERN_ERR "ERROR: FC BSG request timeout - LLD "
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
index 58e0717fda6e..67f7de6146c9 100644
--- a/include/linux/bsg-lib.h
+++ b/include/linux/bsg-lib.h
@@ -69,5 +69,6 @@ void bsg_job_done(struct bsg_job *job, int result,
int bsg_setup_queue(struct device *dev, struct request_queue *q, char *name,
bsg_job_fn *job_fn, int dd_job_size);
void bsg_request_fn(struct request_queue *q);
+void bsg_destroy_job(struct kref *kref);
#endif