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SUNRPC: Refactor rpc_xdr_buf_init()

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Clean up: there is some XDR initialization logic that is common
to the forward channel and backchannel. Move it to an XDR header
so it can be shared.

rpc_rqst::rq_buffer points to a buffer containing big-endian data.
Update its annotation as part of the clean up.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever
2016-09-15 10:55:12 -04:00
committed by Anna Schumaker
parent eb342e9a38
commit b9c5bc03be
5 changed files with 21 additions and 37 deletions
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24
net/sunrpc/clnt.c
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@@ -1746,18 +1746,6 @@ rpc_task_force_reencode(struct rpc_task *task)
task->tk_rqstp->rq_bytes_sent = 0;
}
static inline void
rpc_xdr_buf_init(struct xdr_buf *buf, void *start, size_t len)
{
buf->head[0].iov_base = start;
buf->head[0].iov_len = len;
buf->tail[0].iov_len = 0;
buf->page_len = 0;
buf->flags = 0;
buf->len = 0;
buf->buflen = len;
}
/*
* 3. Encode arguments of an RPC call
*/
@@ -1770,12 +1758,12 @@ rpc_xdr_encode(struct rpc_task *task)
dprint_status(task);
rpc_xdr_buf_init(&req->rq_snd_buf,
req->rq_buffer,
req->rq_callsize);
rpc_xdr_buf_init(&req->rq_rcv_buf,
(char *)req->rq_buffer + req->rq_callsize,
req->rq_rcvsize);
xdr_buf_init(&req->rq_snd_buf,
req->rq_buffer,
req->rq_callsize);
xdr_buf_init(&req->rq_rcv_buf,
(char *)req->rq_buffer + req->rq_callsize,
req->rq_rcvsize);
p = rpc_encode_header(task);
if (p == NULL) {