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svcrdma: Eliminate code duplication in svc_rdma_recvfrom()

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Clean up.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever 2016-05-04 10:53:39 -04:00 committed by J. Bruce Fields
parent 76ee8fd64a
commit 84f225c23d
1 changed files with 5 additions and 21 deletions
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26
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
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@ -508,11 +508,10 @@ static int rdma_read_chunks(struct svcxprt_rdma *xprt,
return ret;
}
static int rdma_read_complete(struct svc_rqst *rqstp,
struct svc_rdma_op_ctxt *head)
static void rdma_read_complete(struct svc_rqst *rqstp,
struct svc_rdma_op_ctxt *head)
{
int page_no;
int ret;
/* Copy RPC pages */
for (page_no = 0; page_no < head->count; page_no++) {
@ -548,23 +547,6 @@ static int rdma_read_complete(struct svc_rqst *rqstp,
rqstp->rq_arg.tail[0] = head->arg.tail[0];
rqstp->rq_arg.len = head->arg.len;
rqstp->rq_arg.buflen = head->arg.buflen;
/* Free the context */
svc_rdma_put_context(head, 0);
/* XXX: What should this be? */
rqstp->rq_prot = IPPROTO_MAX;
svc_xprt_copy_addrs(rqstp, rqstp->rq_xprt);
ret = rqstp->rq_arg.head[0].iov_len
+ rqstp->rq_arg.page_len
+ rqstp->rq_arg.tail[0].iov_len;
dprintk("svcrdma: deferred read ret=%d, rq_arg.len=%u, "
"rq_arg.head[0].iov_base=%p, rq_arg.head[0].iov_len=%zu\n",
ret, rqstp->rq_arg.len, rqstp->rq_arg.head[0].iov_base,
rqstp->rq_arg.head[0].iov_len);
return ret;
}
/* By convention, backchannel calls arrive via rdma_msg type
@ -622,7 +604,8 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
dto_q);
list_del_init(&ctxt->dto_q);
spin_unlock_bh(&rdma_xprt->sc_rq_dto_lock);
return rdma_read_complete(rqstp, ctxt);
rdma_read_complete(rqstp, ctxt);
goto complete;
} else if (!list_empty(&rdma_xprt->sc_rq_dto_q)) {
ctxt = list_entry(rdma_xprt->sc_rq_dto_q.next,
struct svc_rdma_op_ctxt,
@ -680,6 +663,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
return 0;
}
complete:
ret = rqstp->rq_arg.head[0].iov_len
+ rqstp->rq_arg.page_len
+ rqstp->rq_arg.tail[0].iov_len;