diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2019-06-19 17:33:15 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-07-09 17:30:25 +0300 |
| commit | 0ab115237025f5e379620bbcd56a02697d07b002 (patch) | |
| tree | 670d6d24149aa7f2b1e3ab254e6658c2a297441a /net/sunrpc/xprtrdma/xprt_rdma.h | |
| parent | d8099feda4833bab96b1bf312e9e6aad6b771570 (diff) | |
| download | linux-0ab115237025f5e379620bbcd56a02697d07b002.tar.xz | |
xprtrdma: Wake RPCs directly in rpcrdma_wc_send path
Eliminate a context switch in the path that handles RPC wake-ups
when a Receive completion has to wait for a Send completion.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/xprt_rdma.h')
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index e465221c9c96..5475f0dff22a 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -44,7 +44,8 @@ #include <linux/wait.h> /* wait_queue_head_t, etc */ #include <linux/spinlock.h> /* spinlock_t, etc */ -#include <linux/atomic.h> /* atomic_t, etc */ +#include <linux/atomic.h> /* atomic_t, etc */ +#include <linux/kref.h> /* struct kref */ #include <linux/workqueue.h> /* struct work_struct */ #include <rdma/rdma_cm.h> /* RDMA connection api */ @@ -329,17 +330,12 @@ struct rpcrdma_req { struct rpcrdma_regbuf *rl_recvbuf; /* rq_rcv_buf */ struct list_head rl_all; - unsigned long rl_flags; + struct kref rl_kref; struct list_head rl_registered; /* registered segments */ struct rpcrdma_mr_seg rl_segments[RPCRDMA_MAX_SEGS]; }; -/* rl_flags */ -enum { - RPCRDMA_REQ_F_TX_RESOURCES, -}; - static inline struct rpcrdma_req * rpcr_to_rdmar(const struct rpc_rqst *rqst) { @@ -584,8 +580,6 @@ int rpcrdma_marshal_req(struct rpcrdma_xprt *r_xprt, struct rpc_rqst *rqst); void rpcrdma_set_max_header_sizes(struct rpcrdma_xprt *); void rpcrdma_complete_rqst(struct rpcrdma_rep *rep); void rpcrdma_reply_handler(struct rpcrdma_rep *rep); -void rpcrdma_release_rqst(struct rpcrdma_xprt *r_xprt, - struct rpcrdma_req *req); static inline void rpcrdma_set_xdrlen(struct xdr_buf *xdr, size_t len) { |