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| author | Andy Adamson <andros@netapp.com> | 2011-01-06 02:04:24 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2011-01-06 14:46:23 -0500 |
| commit | 4b5b3ba16be1b195d2e1161746637acd4b9fed4f (patch) | |
| tree | 6e58eb24836d73b8fd756d9dff7199a88a9ebafe /net/sunrpc | |
| parent | 64c2ce8b72eceec4030b04bca32d098b3d1431bb (diff) | |
| download | kernel_samsung_tuna-4b5b3ba16be1b195d2e1161746637acd4b9fed4f.zip kernel_samsung_tuna-4b5b3ba16be1b195d2e1161746637acd4b9fed4f.tar.gz kernel_samsung_tuna-4b5b3ba16be1b195d2e1161746637acd4b9fed4f.tar.bz2 | |
SUNRPC move svc_drop to caller of svc_process_common
The NFSv4.1 shared back channel does not need to call svc_drop because the
callback service never outlives the single connection it services, and it
reuses it's buffers and keeps the trasport.
Signed-off-by: Andy Adamson <andros@netapp.com>
Acked-by: Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/svc.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 6359c42..606d182 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1147,7 +1147,6 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) dropit: svc_authorise(rqstp); /* doesn't hurt to call this twice */ dprintk("svc: svc_process dropit\n"); - svc_drop(rqstp); return 0; err_short_len: @@ -1218,7 +1217,6 @@ svc_process(struct svc_rqst *rqstp) struct kvec *resv = &rqstp->rq_res.head[0]; struct svc_serv *serv = rqstp->rq_server; u32 dir; - int error; /* * Setup response xdr_buf. @@ -1246,11 +1244,13 @@ svc_process(struct svc_rqst *rqstp) return 0; } - error = svc_process_common(rqstp, argv, resv); - if (error <= 0) - return error; - - return svc_send(rqstp); + /* Returns 1 for send, 0 for drop */ + if (svc_process_common(rqstp, argv, resv)) + return svc_send(rqstp); + else { + svc_drop(rqstp); + return 0; + } } #if defined(CONFIG_NFS_V4_1) @@ -1264,7 +1264,6 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req, { struct kvec *argv = &rqstp->rq_arg.head[0]; struct kvec *resv = &rqstp->rq_res.head[0]; - int error; /* Build the svc_rqst used by the common processing routine */ rqstp->rq_xprt = serv->bc_xprt; @@ -1292,12 +1291,15 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req, svc_getu32(argv); /* XID */ svc_getnl(argv); /* CALLDIR */ - error = svc_process_common(rqstp, argv, resv); - if (error <= 0) - return error; - - memcpy(&req->rq_snd_buf, &rqstp->rq_res, sizeof(req->rq_snd_buf)); - return bc_send(req); + /* Returns 1 for send, 0 for drop */ + if (svc_process_common(rqstp, argv, resv)) { + memcpy(&req->rq_snd_buf, &rqstp->rq_res, + sizeof(req->rq_snd_buf)); + return bc_send(req); + } else { + /* Nothing to do to drop request */ + return 0; + } } EXPORT_SYMBOL(bc_svc_process); #endif /* CONFIG_NFS_V4_1 */ |