[PATCH 3/11] rpcsvc-pages

[Andreas Gruenbacher]

Add a page to an rpc reply from the allocated pool

  Andreas Gruenbacher <agruen@xxxxxxx>, 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)


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