Add a page to an rpc reply from the allocated pool
Andreas Gruenbacher <[email protected]>, SUSE Labs
Index: linux-2.6.6-rc2/include/linux/sunrpc/svc.h
===================================================================
--- linux-2.6.6-rc2.orig/include/linux/sunrpc/svc.h
+++ linux-2.6.6-rc2/include/linux/sunrpc/svc.h
@@ -177,6 +177,17 @@ xdr_ressize_check(struct svc_rqst *rqstp
return vec->iov_len <= PAGE_SIZE;
}
+static inline struct page *
+svc_take_res_page(struct svc_rqst *rqstp)
+{
+ if (rqstp->rq_arghi <= rqstp->rq_argused)
+ return NULL;
+ rqstp->rq_arghi--;
+ rqstp->rq_respages[rqstp->rq_resused] =
+ rqstp->rq_argpages[rqstp->rq_arghi];
+ return rqstp->rq_respages[rqstp->rq_resused++];
+}
+
static inline int svc_take_page(struct svc_rqst *rqstp)
{
if (rqstp->rq_arghi <= rqstp->rq_argused)