goto leave;
}
+ if (res->state & DLM_LOCK_RES_MIGRATING) {
+ status = DLM_MIGRATING;
+ goto leave;
+ }
/* see above for what the spec says about
* LKM_CANCEL and the lock queue state */
else
status = dlm_get_unlock_actions(dlm, res, lock, lksb, &actions);
- if (status != DLM_NORMAL)
+ if (status != DLM_NORMAL && (status != DLM_CANCELGRANT || !master_node))
goto leave;
/* By now this has been masked out of cancel requests. */
spin_lock(&lock->spinlock);
/* if the master told us the lock was already granted,
* let the ast handle all of these actions */
- if (status == DLM_NORMAL &&
- lksb->status == DLM_CANCELGRANT) {
+ if (status == DLM_CANCELGRANT) {
actions &= ~(DLM_UNLOCK_REMOVE_LOCK|
DLM_UNLOCK_REGRANT_LOCK|
DLM_UNLOCK_CLEAR_CONVERT_TYPE);
/* this should always be coupled with list removal */
BUG_ON(!(actions & DLM_UNLOCK_REMOVE_LOCK));
mlog(0, "lock %u:%llu should be gone now! refs=%d\n",
- dlm_get_lock_cookie_node(lock->ml.cookie),
- dlm_get_lock_cookie_seq(lock->ml.cookie),
+ dlm_get_lock_cookie_node(be64_to_cpu(lock->ml.cookie)),
+ dlm_get_lock_cookie_seq(be64_to_cpu(lock->ml.cookie)),
atomic_read(&lock->lock_refs.refcount)-1);
dlm_lock_put(lock);
}
vec, veclen, owner, &status);
if (tmpret >= 0) {
// successfully sent and received
- if (status == DLM_CANCELGRANT)
- ret = DLM_NORMAL;
- else if (status == DLM_FORWARD) {
+ if (status == DLM_FORWARD)
mlog(0, "master was in-progress. retry\n");
- ret = DLM_FORWARD;
- } else
- ret = status;
- lksb->status = status;
+ ret = status;
} else {
mlog_errno(tmpret);
if (dlm_is_host_down(tmpret)) {
/* something bad. this will BUG in ocfs2 */
ret = dlm_err_to_dlm_status(tmpret);
}
- lksb->status = ret;
}
return ret;
* returns: DLM_NORMAL, DLM_BADARGS, DLM_IVLOCKID,
* return value from dlmunlock_master
*/
-int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data)
+int dlm_unlock_lock_handler(struct o2net_msg *msg, u32 len, void *data,
+ void **ret_data)
{
struct dlm_ctxt *dlm = data;
struct dlm_unlock_lock *unlock = (struct dlm_unlock_lock *)msg->buf;
if (!found)
mlog(ML_ERROR, "failed to find lock to unlock! "
"cookie=%u:%llu\n",
- dlm_get_lock_cookie_node(unlock->cookie),
- dlm_get_lock_cookie_seq(unlock->cookie));
- else {
- /* send the lksb->status back to the other node */
- status = lksb->status;
+ dlm_get_lock_cookie_node(be64_to_cpu(unlock->cookie)),
+ dlm_get_lock_cookie_seq(be64_to_cpu(unlock->cookie)));
+ else
dlm_lock_put(lock);
- }
leave:
if (res)
if (dlm_lock_on_list(&res->blocked, lock)) {
/* cancel this outright */
- lksb->status = DLM_NORMAL;
status = DLM_NORMAL;
*actions = (DLM_UNLOCK_CALL_AST |
DLM_UNLOCK_REMOVE_LOCK);
} else if (dlm_lock_on_list(&res->converting, lock)) {
/* cancel the request, put back on granted */
- lksb->status = DLM_NORMAL;
status = DLM_NORMAL;
*actions = (DLM_UNLOCK_CALL_AST |
DLM_UNLOCK_REMOVE_LOCK |
DLM_UNLOCK_REGRANT_LOCK |
DLM_UNLOCK_CLEAR_CONVERT_TYPE);
} else if (dlm_lock_on_list(&res->granted, lock)) {
- /* too late, already granted. DLM_CANCELGRANT */
- lksb->status = DLM_CANCELGRANT;
- status = DLM_NORMAL;
+ /* too late, already granted. */
+ status = DLM_CANCELGRANT;
*actions = DLM_UNLOCK_CALL_AST;
} else {
mlog(ML_ERROR, "lock to cancel is not on any list!\n");
- lksb->status = DLM_IVLOCKID;
status = DLM_IVLOCKID;
*actions = 0;
}
/* unlock request */
if (!dlm_lock_on_list(&res->granted, lock)) {
- lksb->status = DLM_DENIED;
status = DLM_DENIED;
dlm_error(status);
*actions = 0;
} else {
/* unlock granted lock */
- lksb->status = DLM_NORMAL;
status = DLM_NORMAL;
*actions = (DLM_UNLOCK_FREE_LOCK |
DLM_UNLOCK_CALL_AST |
}
if (call_ast) {
- mlog(0, "calling unlockast(%p, %d)\n", data, lksb->status);
+ mlog(0, "calling unlockast(%p, %d)\n", data, status);
if (is_master) {
/* it is possible that there is one last bast
* pending. make sure it is flushed, then
wait_event(dlm->ast_wq,
dlm_lock_basts_flushed(dlm, lock));
}
- (*unlockast)(data, lksb->status);
+ (*unlockast)(data, status);
}
+ if (status == DLM_CANCELGRANT)
+ status = DLM_NORMAL;
+
if (status == DLM_NORMAL) {
mlog(0, "kicking the thread\n");
dlm_kick_thread(dlm, res);