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block: add bsg_job_put() and bsg_job_get()

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Add bsg_job_put() and bsg_job_get() so don't need to export
bsg_destroy_job() any more.

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>
This commit is contained in:
Johannes Thumshirn
2016-11-17 10:31:23 +01:00
committed by Martin K. Petersen
parent 06548160df
commit fb6f7c8d8a
3 changed files with 18 additions and 6 deletions
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17
block/bsg-lib.c
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@@ -32,7 +32,7 @@
* bsg_destroy_job - routine to teardown/delete a bsg job
* @job: bsg_job that is to be torn down
*/
void bsg_destroy_job(struct kref *kref)
static void bsg_destroy_job(struct kref *kref)
{
struct bsg_job *job = container_of(kref, struct bsg_job, kref);
struct request *rq = job->req;
@@ -45,7 +45,18 @@ void bsg_destroy_job(struct kref *kref)
kfree(job->reply_payload.sg_list);
kfree(job);
}
EXPORT_SYMBOL_GPL(bsg_destroy_job);
void bsg_job_put(struct bsg_job *job)
{
kref_put(&job->kref, bsg_destroy_job);
}
EXPORT_SYMBOL_GPL(bsg_job_put);
int bsg_job_get(struct bsg_job *job)
{
return kref_get_unless_zero(&job->kref);
}
EXPORT_SYMBOL_GPL(bsg_job_get);
/**
* bsg_job_done - completion routine for bsg requests
@@ -89,7 +100,7 @@ void bsg_softirq_done(struct request *rq)
{
struct bsg_job *job = rq->special;
kref_put(&job->kref, bsg_destroy_job);
bsg_job_put(job);
}
EXPORT_SYMBOL_GPL(bsg_softirq_done);