block: add bsg_job_put() and bsg_job_get()
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>
diff --git a/block/bsg-lib.c b/block/bsg-lib.c
index 6661f82..803ec40 100644
--- a/block/bsg-lib.c
+++ b/block/bsg-lib.c
@@ -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 @@
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 @@
{
struct bsg_job *job = rq->special;
- kref_put(&job->kref, bsg_destroy_job);
+ bsg_job_put(job);
}
EXPORT_SYMBOL_GPL(bsg_softirq_done);