diff options
Diffstat (limited to 'include/linux/sunrpc/svc.h')
| -rw-r--r-- | include/linux/sunrpc/svc.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 31ee3b6047c3..e91d51ea028b 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -248,6 +248,7 @@ struct svc_rqst { size_t rq_xprt_hlen; /* xprt header len */ struct xdr_buf rq_arg; struct xdr_stream rq_arg_stream; + struct xdr_stream rq_res_stream; struct page *rq_scratch_page; struct xdr_buf rq_res; struct page *rq_pages[RPCSVC_MAXPAGES + 1]; @@ -574,4 +575,28 @@ static inline void svcxdr_init_decode(struct svc_rqst *rqstp) xdr_set_scratch_page(xdr, rqstp->rq_scratch_page); } +/** + * svcxdr_init_encode - Prepare an xdr_stream for svc Reply encoding + * @rqstp: controlling server RPC transaction context + * + */ +static inline void svcxdr_init_encode(struct svc_rqst *rqstp) +{ + struct xdr_stream *xdr = &rqstp->rq_res_stream; + struct xdr_buf *buf = &rqstp->rq_res; + struct kvec *resv = buf->head; + + xdr_reset_scratch_buffer(xdr); + + xdr->buf = buf; + xdr->iov = resv; + xdr->p = resv->iov_base + resv->iov_len; + xdr->end = resv->iov_base + PAGE_SIZE - rqstp->rq_auth_slack; + buf->len = resv->iov_len; + xdr->page_ptr = buf->pages - 1; + buf->buflen = PAGE_SIZE * (1 + rqstp->rq_page_end - buf->pages); + buf->buflen -= rqstp->rq_auth_slack; + xdr->rqst = NULL; +} + #endif /* SUNRPC_SVC_H */ |