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-rw-r--r--include/linux/sunrpc/bc_xprt.h5
-rw-r--r--net/sunrpc/bc_svc.c15
-rw-r--r--net/sunrpc/xprt.c22
-rw-r--r--net/sunrpc/xprtsock.c3
4 files changed, 13 insertions, 32 deletions
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h
index d7152b451e2..7c91260c44a 100644
--- a/include/linux/sunrpc/bc_xprt.h
+++ b/include/linux/sunrpc/bc_xprt.h
@@ -36,7 +36,6 @@ struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt);
36void xprt_free_bc_request(struct rpc_rqst *req); 36void xprt_free_bc_request(struct rpc_rqst *req);
37int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs); 37int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);
38void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs); 38void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs);
39void bc_release_request(struct rpc_task *);
40int bc_send(struct rpc_rqst *req); 39int bc_send(struct rpc_rqst *req);
41 40
42/* 41/*
@@ -59,6 +58,10 @@ static inline int svc_is_backchannel(const struct svc_rqst *rqstp)
59{ 58{
60 return 0; 59 return 0;
61} 60}
61
62static inline void xprt_free_bc_request(struct rpc_rqst *req)
63{
64}
62#endif /* CONFIG_NFS_V4_1 */ 65#endif /* CONFIG_NFS_V4_1 */
63#endif /* _LINUX_SUNRPC_BC_XPRT_H */ 66#endif /* _LINUX_SUNRPC_BC_XPRT_H */
64 67
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 13f214f5312..f0c05d3311c 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -37,21 +37,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 37
38#define RPCDBG_FACILITY RPCDBG_SVCDSP 38#define RPCDBG_FACILITY RPCDBG_SVCDSP
39 39
40void bc_release_request(struct rpc_task *task)
41{
42 struct rpc_rqst *req = task->tk_rqstp;
43
44 dprintk("RPC: bc_release_request: task= %p\n", task);
45
46 /*
47 * Release this request only if it's a backchannel
48 * preallocated request
49 */
50 if (!bc_prealloc(req))
51 return;
52 xprt_free_bc_request(req);
53}
54
55/* Empty callback ops */ 40/* Empty callback ops */
56static const struct rpc_call_ops nfs41_callback_ops = { 41static const struct rpc_call_ops nfs41_callback_ops = {
57}; 42};
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 469de292c23..42f09ade004 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -46,6 +46,7 @@
46 46
47#include <linux/sunrpc/clnt.h> 47#include <linux/sunrpc/clnt.h>
48#include <linux/sunrpc/metrics.h> 48#include <linux/sunrpc/metrics.h>
49#include <linux/sunrpc/bc_xprt.h>
49 50
50#include "sunrpc.h" 51#include "sunrpc.h"
51 52
@@ -1032,21 +1033,16 @@ void xprt_release(struct rpc_task *task)
1032 if (req->rq_release_snd_buf) 1033 if (req->rq_release_snd_buf)
1033 req->rq_release_snd_buf(req); 1034 req->rq_release_snd_buf(req);
1034 1035
1035 /*
1036 * Early exit if this is a backchannel preallocated request.
1037 * There is no need to have it added to the RPC slot list.
1038 */
1039 if (is_bc_request)
1040 return;
1041
1042 memset(req, 0, sizeof(*req)); /* mark unused */
1043
1044 dprintk("RPC: %5u release request %p\n", task->tk_pid, req); 1036 dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
1037 if (likely(!is_bc_request)) {
1038 memset(req, 0, sizeof(*req)); /* mark unused */
1045 1039
1046 spin_lock(&xprt->reserve_lock); 1040 spin_lock(&xprt->reserve_lock);
1047 list_add(&req->rq_list, &xprt->free); 1041 list_add(&req->rq_list, &xprt->free);
1048 rpc_wake_up_next(&xprt->backlog); 1042 rpc_wake_up_next(&xprt->backlog);
1049 spin_unlock(&xprt->reserve_lock); 1043 spin_unlock(&xprt->reserve_lock);
1044 } else
1045 xprt_free_bc_request(req);
1050} 1046}
1051 1047
1052/** 1048/**
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index e4839c07c91..9847c30b500 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2251,9 +2251,6 @@ static struct rpc_xprt_ops xs_tcp_ops = {
2251 .buf_free = rpc_free, 2251 .buf_free = rpc_free,
2252 .send_request = xs_tcp_send_request, 2252 .send_request = xs_tcp_send_request,
2253 .set_retrans_timeout = xprt_set_retrans_timeout_def, 2253 .set_retrans_timeout = xprt_set_retrans_timeout_def,
2254#if defined(CONFIG_NFS_V4_1)
2255 .release_request = bc_release_request,
2256#endif /* CONFIG_NFS_V4_1 */
2257 .close = xs_tcp_close, 2254 .close = xs_tcp_close,
2258 .destroy = xs_destroy, 2255 .destroy = xs_destroy,
2259 .print_stats = xs_tcp_print_stats, 2256 .print_stats = xs_tcp_print_stats,