libceph: support for checking on status of watch

Implement ceph_osdc_watch_check() to be able to check on status of
watch.  Note that the time it takes for a watch/notify event to get
delivered through the notify_wq is taken into account.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Ilya Dryomov 2016-04-28 16:07:27 +02:00
parent 1907920324
commit b07d3c4bd7
2 changed files with 55 additions and 1 deletions

View file

@ -213,6 +213,8 @@ struct ceph_osd_linger_request {
struct ceph_osd_request *reg_req;
struct ceph_osd_request *ping_req;
unsigned long ping_sent;
unsigned long watch_valid_thru;
struct list_head pending_lworks;
struct ceph_osd_request_target t;
u32 last_force_resend;
@ -417,5 +419,7 @@ int ceph_osdc_notify(struct ceph_osd_client *osdc,
u32 timeout,
struct page ***preply_pages,
size_t *preply_len);
int ceph_osdc_watch_check(struct ceph_osd_client *osdc,
struct ceph_osd_linger_request *lreq);
#endif