From 9ee3844884821d599845c19b1250557cecd61e6f Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Tue, 1 Feb 2011 13:32:38 -0200
Subject: [PATCH 18/28] qemu-img snapshot: Use writeback caching
RH-Author: Kevin Wolf <kwolf@redhat.com>
Message-id: <1296567161-8837-3-git-send-email-kwolf@redhat.com>
Patchwork-id: 17407
O-Subject: [RHEL-6.1 qemu-kvm PATCH v2 2/5] qemu-img snapshot: Use writeback
caching
Bugzilla: 635527
RH-Acked-by: Markus Armbruster <armbru@redhat.com>
RH-Acked-by: Avi Kivity <avi@redhat.com>
RH-Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Bugzilla: 635527
None of the other qemu-img subcommands uses writethrough, and there's no reason
why snapshot should be special.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
(cherry picked from commit 710da702beb0dc4aeeab1b9e712cd9473b083a89)
---
qemu-img.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---
qemu-img.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/qemu-img.c b/qemu-img.c
index 2dd304b..3d31f40 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1047,7 +1047,7 @@ static int img_snapshot(int argc, char **argv)
int action = 0;
qemu_timeval tv;
- bdrv_oflags = BDRV_O_RDWR;
+ bdrv_oflags = BDRV_O_FLAGS | BDRV_O_RDWR;
/* Parse commandline parameters */
for(;;) {
c = getopt(argc, argv, "la:c:d:h");
--
1.7.4.rc1.16.gd2f15e