[PATCH] knfsd: convert sk_inuse to atomic_t
Convert the svc_sock->sk_inuse counter from an int protected by
svc_serv->sv_lock, to an atomic. This reduces the number of places we need to
take the (effectively global) svc_serv->sv_lock.
Signed-off-by: Greg Banks <gnb@melbourne.sgi.com>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h
index 846aee9..17cb834 100644
--- a/include/linux/sunrpc/svcsock.h
+++ b/include/linux/sunrpc/svcsock.h
@@ -21,7 +21,7 @@
struct sock * sk_sk; /* INET layer */
struct svc_serv * sk_server; /* service for this socket */
- unsigned int sk_inuse; /* use count */
+ atomic_t sk_inuse; /* use count */
unsigned long sk_flags;
#define SK_BUSY 0 /* enqueued/receiving */
#define SK_CONN 1 /* conn pending */