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dm: remove unnecessary work queue type field

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Remove "type" field from struct dm_wq_req because we no longer need it
to have more than one value.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
This commit is contained in:
Mikulas Patocka 2009-04-02 19:55:36 +01:00 committed by Alasdair G Kergon
parent 99c75e3130
commit 143773965b
1 changed files with 6 additions and 17 deletions
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23
drivers/md/dm.c
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@ -100,9 +100,6 @@ union map_info *dm_get_mapinfo(struct bio *bio)
* Work processed by per-device workqueue. * Work processed by per-device workqueue.
*/ */
struct dm_wq_req { struct dm_wq_req {
enum {
DM_WQ_FLUSH_DEFERRED,
} type;
struct work_struct work; struct work_struct work;
struct mapped_device *md; struct mapped_device *md;
void *context; void *context;
@ -1434,32 +1431,24 @@ static void dm_wq_work(struct work_struct *work)
struct mapped_device *md = req->md; struct mapped_device *md = req->md;
down_write(&md->io_lock); down_write(&md->io_lock);
switch (req->type) { __flush_deferred_io(md);
case DM_WQ_FLUSH_DEFERRED:
__flush_deferred_io(md);
break;
default:
DMERR("dm_wq_work: unrecognised work type %d", req->type);
BUG();
}
up_write(&md->io_lock); up_write(&md->io_lock);
} }
static void dm_wq_queue(struct mapped_device *md, int type, void *context, static void dm_wq_queue(struct mapped_device *md, void *context,
struct dm_wq_req *req) struct dm_wq_req *req)
{ {
req->type = type;
req->md = md; req->md = md;
req->context = context; req->context = context;
INIT_WORK(&req->work, dm_wq_work); INIT_WORK(&req->work, dm_wq_work);
queue_work(md->wq, &req->work); queue_work(md->wq, &req->work);
} }
static void dm_queue_flush(struct mapped_device *md, int type, void *context) static void dm_queue_flush(struct mapped_device *md, void *context)
{ {
struct dm_wq_req req; struct dm_wq_req req;
dm_wq_queue(md, type, context, &req); dm_wq_queue(md, context, &req);
flush_workqueue(md->wq); flush_workqueue(md->wq);
} }
@ -1605,7 +1594,7 @@ int dm_suspend(struct mapped_device *md, unsigned suspend_flags)
/* were we interrupted ? */ /* were we interrupted ? */
if (r < 0) { if (r < 0) {
dm_queue_flush(md, DM_WQ_FLUSH_DEFERRED, NULL); dm_queue_flush(md, NULL);
unlock_fs(md); unlock_fs(md);
goto out; /* pushback list is already flushed, so skip flush */ goto out; /* pushback list is already flushed, so skip flush */
@ -1645,7 +1634,7 @@ int dm_resume(struct mapped_device *md)
if (r) if (r)
goto out; goto out;
dm_queue_flush(md, DM_WQ_FLUSH_DEFERRED, NULL); dm_queue_flush(md, NULL);
unlock_fs(md); unlock_fs(md);