dm: remove unnecessary work queue context field

Remove the context field from struct dm_wq_req because we will no longer
need it.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index bbc7ecf..f913b50 100644 (file)
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -102,7 +102,6 @@ union map_info *dm_get_mapinfo(struct bio *bio)
 struct dm_wq_req {
        struct work_struct work;
        struct mapped_device *md;
-       void *context;
 };
 
 struct mapped_device {
@@ -1435,20 +1434,18 @@ static void dm_wq_work(struct work_struct *work)
        up_write(&md->io_lock);
 }
 
-static void dm_wq_queue(struct mapped_device *md, void *context,
-                       struct dm_wq_req *req)
+static void dm_wq_queue(struct mapped_device *md, struct dm_wq_req *req)
 {
        req->md = md;
-       req->context = context;
        INIT_WORK(&req->work, dm_wq_work);
        queue_work(md->wq, &req->work);
 }
 
-static void dm_queue_flush(struct mapped_device *md, void *context)
+static void dm_queue_flush(struct mapped_device *md)
 {
        struct dm_wq_req req;
 
-       dm_wq_queue(md, context, &req);
+       dm_wq_queue(md, &req);
        flush_workqueue(md->wq);
 }
 
@@ -1594,7 +1591,7 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
 
        /* were we interrupted ? */
        if (r < 0) {
-               dm_queue_flush(md, NULL);
+               dm_queue_flush(md);
 
                unlock_fs(md);
                goto out; /* pushback list is already flushed, so skip flush */
@@ -1634,7 +1631,7 @@ int dm_resume(struct mapped_device *md)
        if (r)
                goto out;
 
-       dm_queue_flush(md, NULL);
+       dm_queue_flush(md);
 
        unlock_fs(md);