[PATCH] knfsd: make nlmclnt_next_cookie SMP safe

The way we incremented the NLM cookie in nlmclnt_next_cookie was not thread
safe.  This patch changes the counter to an atomic_t

Signed-off-by: Olaf Kirch <okir@suse.de>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 7be7aeaeee58..a345650e5622 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -157,6 +157,7 @@ int		  nlmclnt_block(struct nlm_wait *block, struct nlm_rqst *req, long timeout)
 u32               nlmclnt_grant(const struct sockaddr_in *addr, const struct nlm_lock *);
 void              nlmclnt_recovery(struct nlm_host *);
 int               nlmclnt_reclaim(struct nlm_host *, struct file_lock *);
+void              nlmclnt_next_cookie(struct nlm_cookie *);
 
 /*
  * Host cache