diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/xprt_rdma.h')
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index ad918c840fc7..b282d3f8cdd8 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -341,6 +341,7 @@ enum { struct rpcrdma_buffer; struct rpcrdma_req { struct list_head rl_list; + __be32 rl_xid; unsigned int rl_mapped_sges; unsigned int rl_connect_cookie; struct rpcrdma_buffer *rl_buffer; @@ -402,6 +403,7 @@ struct rpcrdma_buffer { int rb_send_count, rb_recv_count; struct list_head rb_send_bufs; struct list_head rb_recv_bufs; + struct list_head rb_pending; u32 rb_max_requests; atomic_t rb_credits; /* most recent credit grant */ @@ -550,6 +552,34 @@ void rpcrdma_destroy_req(struct rpcrdma_req *); int rpcrdma_buffer_create(struct rpcrdma_xprt *); void rpcrdma_buffer_destroy(struct rpcrdma_buffer *); +static inline void +rpcrdma_insert_req(struct rpcrdma_buffer *buffers, struct rpcrdma_req *req) +{ + spin_lock(&buffers->rb_lock); + if (list_empty(&req->rl_list)) + list_add_tail(&req->rl_list, &buffers->rb_pending); + spin_unlock(&buffers->rb_lock); +} + +static inline struct rpcrdma_req * +rpcrdma_lookup_req_locked(struct rpcrdma_buffer *buffers, __be32 xid) +{ + struct rpcrdma_req *pos; + + list_for_each_entry(pos, &buffers->rb_pending, rl_list) + if (pos->rl_xid == xid) + return pos; + return NULL; +} + +static inline void +rpcrdma_remove_req(struct rpcrdma_buffer *buffers, struct rpcrdma_req *req) +{ + spin_lock(&buffers->rb_lock); + list_del(&req->rl_list); + spin_unlock(&buffers->rb_lock); +} + struct rpcrdma_mw *rpcrdma_get_mw(struct rpcrdma_xprt *); void rpcrdma_put_mw(struct rpcrdma_xprt *, struct rpcrdma_mw *); struct rpcrdma_req *rpcrdma_buffer_get(struct rpcrdma_buffer *); |