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-rw-r--r--include/linux/sunrpc/svc.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 965d6c20086e..64f3d60c72af 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -144,8 +144,11 @@ extern u32 svc_max_payload(const struct svc_rqst *rqstp);
144 * 144 *
145 * Each request/reply pair can have at most one "payload", plus two pages, 145 * Each request/reply pair can have at most one "payload", plus two pages,
146 * one for the request, and one for the reply. 146 * one for the request, and one for the reply.
147 * We using ->sendfile to return read data, we might need one extra page
148 * if the request is not page-aligned. So add another '1'.
147 */ 149 */
148#define RPCSVC_MAXPAGES ((RPCSVC_MAXPAYLOAD+PAGE_SIZE-1)/PAGE_SIZE + 2) 150#define RPCSVC_MAXPAGES ((RPCSVC_MAXPAYLOAD+PAGE_SIZE-1)/PAGE_SIZE \
151 + 2 + 1)
149 152
150static inline u32 svc_getnl(struct kvec *iov) 153static inline u32 svc_getnl(struct kvec *iov)
151{ 154{