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rbd: support updating the lock cookie without releasing the lock

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As we no longer release the lock before potentially raising BLACKLISTED
in rbd_reregister_watch(), the "either locked or blacklisted" assert in
rbd_queue_workfn() needs to go: we can be both locked and blacklisted
at that point now.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
This commit is contained in:
Ilya Dryomov
2017-04-13 12:17:38 +02:00
parent cbbfb0ff11
commit 14bb211d32
3 changed files with 97 additions and 25 deletions
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5
include/linux/ceph/cls_lock_client.h
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@@ -37,6 +37,11 @@ int ceph_cls_break_lock(struct ceph_osd_client *osdc,
struct ceph_object_locator *oloc,
char *lock_name, char *cookie,
struct ceph_entity_name *locker);
int ceph_cls_set_cookie(struct ceph_osd_client *osdc,
struct ceph_object_id *oid,
struct ceph_object_locator *oloc,
char *lock_name, u8 type, char *old_cookie,
char *tag, char *new_cookie);
void ceph_free_lockers(struct ceph_locker *lockers, u32 num_lockers);