diff options
author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-04-16 16:37:01 -0400 |
---|---|---|
committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-05-14 15:09:29 -0400 |
commit | ee5ebe851ed60206f150d3f189416f9c63245b66 (patch) | |
tree | b73f04713c9ae381d40ad136cb60f9f3129d80f6 /net/sunrpc/xprt.c | |
parent | fd86dfd2637db1aef9ebf96ba41aeedb87521e78 (diff) |
SUNRPC: Clean up xprt_release()
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r-- | net/sunrpc/xprt.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 42f09ade0044..18415cc37c01 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c | |||
@@ -62,7 +62,6 @@ | |||
62 | * Local functions | 62 | * Local functions |
63 | */ | 63 | */ |
64 | static void xprt_request_init(struct rpc_task *, struct rpc_xprt *); | 64 | static void xprt_request_init(struct rpc_task *, struct rpc_xprt *); |
65 | static inline void do_xprt_reserve(struct rpc_task *); | ||
66 | static void xprt_connect_status(struct rpc_task *task); | 65 | static void xprt_connect_status(struct rpc_task *task); |
67 | static int __xprt_get_cong(struct rpc_xprt *, struct rpc_task *); | 66 | static int __xprt_get_cong(struct rpc_xprt *, struct rpc_task *); |
68 | 67 | ||
@@ -935,7 +934,7 @@ void xprt_transmit(struct rpc_task *task) | |||
935 | spin_unlock_bh(&xprt->transport_lock); | 934 | spin_unlock_bh(&xprt->transport_lock); |
936 | } | 935 | } |
937 | 936 | ||
938 | static inline void do_xprt_reserve(struct rpc_task *task) | 937 | static void xprt_alloc_slot(struct rpc_task *task) |
939 | { | 938 | { |
940 | struct rpc_xprt *xprt = task->tk_xprt; | 939 | struct rpc_xprt *xprt = task->tk_xprt; |
941 | 940 | ||
@@ -955,6 +954,16 @@ static inline void do_xprt_reserve(struct rpc_task *task) | |||
955 | rpc_sleep_on(&xprt->backlog, task, NULL); | 954 | rpc_sleep_on(&xprt->backlog, task, NULL); |
956 | } | 955 | } |
957 | 956 | ||
957 | static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req) | ||
958 | { | ||
959 | memset(req, 0, sizeof(*req)); /* mark unused */ | ||
960 | |||
961 | spin_lock(&xprt->reserve_lock); | ||
962 | list_add(&req->rq_list, &xprt->free); | ||
963 | rpc_wake_up_next(&xprt->backlog); | ||
964 | spin_unlock(&xprt->reserve_lock); | ||
965 | } | ||
966 | |||
958 | /** | 967 | /** |
959 | * xprt_reserve - allocate an RPC request slot | 968 | * xprt_reserve - allocate an RPC request slot |
960 | * @task: RPC task requesting a slot allocation | 969 | * @task: RPC task requesting a slot allocation |
@@ -968,7 +977,7 @@ void xprt_reserve(struct rpc_task *task) | |||
968 | 977 | ||
969 | task->tk_status = -EIO; | 978 | task->tk_status = -EIO; |
970 | spin_lock(&xprt->reserve_lock); | 979 | spin_lock(&xprt->reserve_lock); |
971 | do_xprt_reserve(task); | 980 | xprt_alloc_slot(task); |
972 | spin_unlock(&xprt->reserve_lock); | 981 | spin_unlock(&xprt->reserve_lock); |
973 | } | 982 | } |
974 | 983 | ||
@@ -1006,14 +1015,10 @@ void xprt_release(struct rpc_task *task) | |||
1006 | { | 1015 | { |
1007 | struct rpc_xprt *xprt; | 1016 | struct rpc_xprt *xprt; |
1008 | struct rpc_rqst *req; | 1017 | struct rpc_rqst *req; |
1009 | int is_bc_request; | ||
1010 | 1018 | ||
1011 | if (!(req = task->tk_rqstp)) | 1019 | if (!(req = task->tk_rqstp)) |
1012 | return; | 1020 | return; |
1013 | 1021 | ||
1014 | /* Preallocated backchannel request? */ | ||
1015 | is_bc_request = bc_prealloc(req); | ||
1016 | |||
1017 | xprt = req->rq_xprt; | 1022 | xprt = req->rq_xprt; |
1018 | rpc_count_iostats(task); | 1023 | rpc_count_iostats(task); |
1019 | spin_lock_bh(&xprt->transport_lock); | 1024 | spin_lock_bh(&xprt->transport_lock); |
@@ -1027,21 +1032,16 @@ void xprt_release(struct rpc_task *task) | |||
1027 | mod_timer(&xprt->timer, | 1032 | mod_timer(&xprt->timer, |
1028 | xprt->last_used + xprt->idle_timeout); | 1033 | xprt->last_used + xprt->idle_timeout); |
1029 | spin_unlock_bh(&xprt->transport_lock); | 1034 | spin_unlock_bh(&xprt->transport_lock); |
1030 | if (!bc_prealloc(req)) | 1035 | if (req->rq_buffer) |
1031 | xprt->ops->buf_free(req->rq_buffer); | 1036 | xprt->ops->buf_free(req->rq_buffer); |
1032 | task->tk_rqstp = NULL; | 1037 | task->tk_rqstp = NULL; |
1033 | if (req->rq_release_snd_buf) | 1038 | if (req->rq_release_snd_buf) |
1034 | req->rq_release_snd_buf(req); | 1039 | req->rq_release_snd_buf(req); |
1035 | 1040 | ||
1036 | dprintk("RPC: %5u release request %p\n", task->tk_pid, req); | 1041 | dprintk("RPC: %5u release request %p\n", task->tk_pid, req); |
1037 | if (likely(!is_bc_request)) { | 1042 | if (likely(!bc_prealloc(req))) |
1038 | memset(req, 0, sizeof(*req)); /* mark unused */ | 1043 | xprt_free_slot(xprt, req); |
1039 | 1044 | else | |
1040 | spin_lock(&xprt->reserve_lock); | ||
1041 | list_add(&req->rq_list, &xprt->free); | ||
1042 | rpc_wake_up_next(&xprt->backlog); | ||
1043 | spin_unlock(&xprt->reserve_lock); | ||
1044 | } else | ||
1045 | xprt_free_bc_request(req); | 1045 | xprt_free_bc_request(req); |
1046 | } | 1046 | } |
1047 | 1047 | ||