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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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8
net/sunrpc/backchannel_rqst.c
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@@ -76,13 +76,7 @@ static int xprt_alloc_xdr_buf(struct xdr_buf *buf, gfp_t gfp_flags)
page = alloc_page(gfp_flags);
if (page == NULL)
return -ENOMEM;
buf->head[0].iov_base = page_address(page);
buf->head[0].iov_len = PAGE_SIZE;
buf->tail[0].iov_base = NULL;
buf->tail[0].iov_len = 0;
buf->page_len = 0;
buf->len = 0;
buf->buflen = PAGE_SIZE;
xdr_buf_init(buf, page_address(page), PAGE_SIZE);
return 0;
}