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rbd: rbd_dev_header_unwatch_sync() variant 

Introduce __rbd_dev_header_unwatch_sync(), which doesn't flush notify
callbacks.  This is for the new rados_watcherrcb_t, which would be
called from a notify callback.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2016-04-28 16:07:26 +02:00
parent 42b0696527
commit c525f03601
1 changed files with 9 additions and 4 deletions
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13
drivers/block/rbd.c
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@ -3246,10 +3246,7 @@ static int rbd_dev_header_watch_sync(struct rbd_device *rbd_dev)
return 0; return 0;
} }
/* static void __rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev)
* Tear down a watch request, synchronously.
*/
static void rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev)
{ {
struct rbd_obj_request *obj_request; struct rbd_obj_request *obj_request;
@ -3269,6 +3266,14 @@ static void rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev)
ceph_osdc_cancel_event(rbd_dev->watch_event); ceph_osdc_cancel_event(rbd_dev->watch_event);
rbd_dev->watch_event = NULL; rbd_dev->watch_event = NULL;
}
/*
* Tear down a watch request, synchronously.
*/
static void rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev)
{
__rbd_dev_header_unwatch_sync(rbd_dev);
dout("%s flushing notifies\n", __func__); dout("%s flushing notifies\n", __func__);
ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc); ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc);