From: David Teigland <teigland@redhat.com>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org
Subject: [patch 02/12] dlm: resend lookups
Date: Fri, 15 Jul 2005 18:34:52 +0800 [thread overview]
Message-ID: <20050715103452.GE17316@redhat.com> (raw)
[-- Attachment #1: resend-lookups.patch --]
[-- Type: text/plain, Size: 1371 bytes --]
During recovery, set the RESEND flag on locks waiting for a lookup so
they'll be resent when recovery completes.
Signed-off-by: David Teigland <teigland@redhat.com>
Index: linux-2.6.12-mm1/drivers/dlm/lock.c
===================================================================
--- linux-2.6.12-mm1.orig/drivers/dlm/lock.c
+++ linux-2.6.12-mm1/drivers/dlm/lock.c
@@ -3212,12 +3212,20 @@ void dlm_recover_waiters_pre(struct dlm_
down(&ls->ls_waiters_sem);
list_for_each_entry_safe(lkb, safe, &ls->ls_waiters, lkb_wait_reply) {
- if (!dlm_is_removed(ls, lkb->lkb_nodeid))
- continue;
-
log_debug(ls, "pre recover waiter lkid %x type %d flags %x",
lkb->lkb_id, lkb->lkb_wait_type, lkb->lkb_flags);
+ /* all outstanding lookups, regardless of destination will be
+ resent after recovery is done */
+
+ if (lkb->lkb_wait_type == DLM_MSG_LOOKUP) {
+ lkb->lkb_flags |= DLM_IFL_RESEND;
+ continue;
+ }
+
+ if (!dlm_is_removed(ls, lkb->lkb_nodeid))
+ continue;
+
switch (lkb->lkb_wait_type) {
case DLM_MSG_REQUEST:
@@ -3244,11 +3252,6 @@ void dlm_recover_waiters_pre(struct dlm_
put_lkb(lkb);
break;
- case DLM_MSG_LOOKUP:
- /* all outstanding lookups, regardless of dest.
- will be resent after recovery is done */
- break;
-
default:
log_error(ls, "invalid lkb wait_type %d",
lkb->lkb_wait_type);
--
reply other threads:[~2005-07-15 10:34 UTC|newest]
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