From aaaa99423b4b1f9cfd33ea5643d9274c25f62491 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Wed, 1 Feb 2006 12:18:25 -0500
Subject: NLM: Ensure that nlmclnt_cancel_callback() doesn't loop forever
If the server returns NLM_LCK_DENIED_NOLOCKS, we currently retry the
entire NLM_CANCEL request. This may end up looping forever unless the
server changes its mind (why would it do that, though?).
Ensure that we limit the number of retries (to 3).
See bug# 5957 in bugzilla.kernel.org.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
include/linux/lockd/lockd.h | 1 +
1 file changed, 1 insertion(+)
(limited to 'include')
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index afe9a8f5c5..920766cea7 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -84,6 +84,7 @@ struct nlm_rqst {
struct nlm_args a_args; /* arguments */
struct nlm_res a_res; /* result */
struct nlm_wait * a_block;
+ unsigned int a_retries; /* Retry count */
char a_owner[NLMCLNT_OHSIZE];
};
--
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