diff options
| -rw-r--r-- | drivers/md/dm.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f913b507fc81..dac79d11458d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -99,11 +99,6 @@ union map_info *dm_get_mapinfo(struct bio *bio) /* * Work processed by per-device workqueue. */ -struct dm_wq_req { - struct work_struct work; - struct mapped_device *md; -}; - struct mapped_device { struct rw_semaphore io_lock; struct mutex suspend_lock; @@ -125,6 +120,7 @@ struct mapped_device { */ atomic_t pending; wait_queue_head_t wait; + struct work_struct work; struct bio_list deferred; struct bio_list pushback; @@ -1070,6 +1066,8 @@ out: static struct block_device_operations dm_blk_dops; +static void dm_wq_work(struct work_struct *work); + /* * Allocate and initialise a blank device with a given minor. */ @@ -1136,6 +1134,7 @@ static struct mapped_device *alloc_dev(int minor) atomic_set(&md->pending, 0); init_waitqueue_head(&md->wait); + INIT_WORK(&md->work, dm_wq_work); init_waitqueue_head(&md->eventq); md->disk->major = _major; @@ -1426,26 +1425,17 @@ static void __merge_pushback_list(struct mapped_device *md) static void dm_wq_work(struct work_struct *work) { - struct dm_wq_req *req = container_of(work, struct dm_wq_req, work); - struct mapped_device *md = req->md; + struct mapped_device *md = container_of(work, struct mapped_device, + work); down_write(&md->io_lock); __flush_deferred_io(md); up_write(&md->io_lock); } -static void dm_wq_queue(struct mapped_device *md, struct dm_wq_req *req) -{ - req->md = md; - INIT_WORK(&req->work, dm_wq_work); - queue_work(md->wq, &req->work); -} - static void dm_queue_flush(struct mapped_device *md) { - struct dm_wq_req req; - - dm_wq_queue(md, &req); + queue_work(md->wq, &md->work); flush_workqueue(md->wq); } |