dm mpath: split and rename activate_path() to prepare for its expanded use

commit 89bfce763e43fa4897e0d3af6b29ed909df64cfd upstream.

activate_path() is renamed to activate_path_work() which now calls
activate_or_offline_path().  activate_or_offline_path() will be used
by the next commit.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 12 insertions, 5 deletions

diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index e477af8596e2..ac8235bda61b 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -119,7 +119,8 @@ static struct kmem_cache *_mpio_cache;
 
 static struct workqueue_struct *kmultipathd, *kmpath_handlerd;
 static void trigger_event(struct work_struct *work);
-static void activate_path(struct work_struct *work);
+static void activate_or_offline_path(struct pgpath *pgpath);
+static void activate_path_work(struct work_struct *work);
 static void process_queued_bios(struct work_struct *work);
 
 /*-----------------------------------------------
@@ -144,7 +145,7 @@ static struct pgpath *alloc_pgpath(void)
 
         if (pgpath) {
                 pgpath->is_active = true;
-                INIT_DELAYED_WORK(&pgpath->activate_path, activate_path);
+                INIT_DELAYED_WORK(&pgpath->activate_path, activate_path_work);
         }
 
         return pgpath;
@@ -1515,10 +1516,8 @@ out:
         spin_unlock_irqrestore(&m->lock, flags);
 }
 
-static void activate_path(struct work_struct *work)
+static void activate_or_offline_path(struct pgpath *pgpath)
 {
-        struct pgpath *pgpath =
-                container_of(work, struct pgpath, activate_path.work);
         struct request_queue *q = bdev_get_queue(pgpath->path.dev->bdev);
 
         if (pgpath->is_active && !blk_queue_dying(q))
@@ -1527,6 +1526,14 @@ static void activate_path(struct work_struct *work)
                 pg_init_done(pgpath, SCSI_DH_DEV_OFFLINED);
 }
 
+static void activate_path_work(struct work_struct *work)
+{
+        struct pgpath *pgpath =
+                container_of(work, struct pgpath, activate_path.work);
+
+        activate_or_offline_path(pgpath);
+}
+
 static int noretry_error(int error)
 {
         switch (error) {