From: Jens Axboe <jens.axboe@oracle.com>
Date: Fri, 22 Jun 2007 18:41:27 +0000 (+0200)
Subject: netsplice: use zero-copy if possible
X-Git-Tag: fio-1.16.6~5
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=4d94c275d2344b9231d9dc4585bd42b8e9fb7794

netsplice: use zero-copy if possible

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/engines/net.c b/engines/net.c
index a67432bf..bc3946d5 100644
--- a/engines/net.c
+++ b/engines/net.c
@@ -122,7 +122,7 @@ static int vmsplice_io_u_out(struct thread_data *td, struct io_u *io_u,
 	int bytes = 0;
 
 	while (iov.iov_len) {
-		int ret = vmsplice(nd->pipes[0], &iov, 1, 0);
+		int ret = vmsplice(nd->pipes[0], &iov, 1, SPLICE_F_MOVE);
 
 		if (ret < 0) {
 			if (!bytes)
@@ -153,7 +153,7 @@ static int vmsplice_io_u_in(struct thread_data *td, struct io_u *io_u)
 	unsigned int bytes = 0;
 
 	while (iov.iov_len) {
-		int ret = vmsplice(nd->pipes[1], &iov, 1, 0);
+		int ret = vmsplice(nd->pipes[1], &iov, 1, SPLICE_F_MOVE);
 
 		if (ret < 0)
 			return -1;