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authorTrond Myklebust <trond.myklebust@primarydata.com>2015-02-25 04:31:39 +0300
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-02-01 05:37:22 +0300
commit30c5116b113689c87a711a0963753adadd702c04 (patch)
tree96065e4c74b1427029f2a72f1da56bc05b7fd065 /include/linux/sunrpc
parent5edd1051f4f3bd7cddcc91e346fdd22eee639c72 (diff)
downloadlinux-30c5116b113689c87a711a0963753adadd702c04.tar.xz
SUNRPC: Uninline xprt_get(); It isn't performance critical.
Also allow callers to pass NULL arguments to xprt_get() and xprt_put(). Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'include/linux/sunrpc')
-rw-r--r--include/linux/sunrpc/xprt.h16
1 files changed, 3 insertions, 13 deletions
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 69ef5b3ab038..1bdb59a2efe8 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -13,6 +13,7 @@
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/ktime.h>
+#include <linux/kref.h>
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/msg_prot.h>
@@ -166,7 +167,7 @@ enum xprt_transports {
};
struct rpc_xprt {
- atomic_t count; /* Reference count */
+ struct kref kref; /* Reference count */
struct rpc_xprt_ops * ops; /* transport methods */
const struct rpc_timeout *timeout; /* timeout parms */
@@ -318,24 +319,13 @@ int xprt_adjust_timeout(struct rpc_rqst *req);
void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);
void xprt_release(struct rpc_task *task);
+struct rpc_xprt * xprt_get(struct rpc_xprt *xprt);
void xprt_put(struct rpc_xprt *xprt);
struct rpc_xprt * xprt_alloc(struct net *net, size_t size,
unsigned int num_prealloc,
unsigned int max_req);
void xprt_free(struct rpc_xprt *);
-/**
- * xprt_get - return a reference to an RPC transport.
- * @xprt: pointer to the transport
- *
- */
-static inline struct rpc_xprt *xprt_get(struct rpc_xprt *xprt)
-{
- if (atomic_inc_not_zero(&xprt->count))
- return xprt;
- return NULL;
-}
-
static inline __be32 *xprt_skip_transport_header(struct rpc_xprt *xprt, __be32 *p)
{
return p + xprt->tsh_size;