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From 05ce2d88bccb8c43141ff2f03795c505eff247b8 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Fri, 22 Nov 2013 14:23:30 +0100
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Subject: [PATCH 12/14] qcow2: change default for new images to compat=1.1, part2
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <1385130210-31063-3-git-send-email-kwolf@redhat.com>
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Patchwork-id: 55857
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O-Subject: [RHEL-7.0 qemu-kvm PATCH 2/2] qcow2: Change default for new images to compat=1.1
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Bugzilla: 1026739
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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By the time that qemu 1.7 will be released, enough time will have passed
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since qemu 1.1, which is the first version to understand version 3
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images, that changing the default shouldn't hurt many people any more
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and the benefits of using the new format outweigh the pain.
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qemu-iotests already runs with compat=1.1 by default.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 9117b47717ad208b12786ce88eacb013f9b3dd1c)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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block/qcow2.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block/qcow2.c | 4 +++-
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1 files changed, 3 insertions(+), 1 deletions(-)
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diff --git a/block/qcow2.c b/block/qcow2.c
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index 897e48a..850d1c2 100644
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--- a/block/qcow2.c
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+++ b/block/qcow2.c
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@@ -1627,7 +1627,9 @@ static int qcow2_create(const char *filename, QEMUOptionParameter *options,
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return -EINVAL;
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}
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} else if (!strcmp(options->name, BLOCK_OPT_COMPAT_LEVEL)) {
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- if (!options->value.s || !strcmp(options->value.s, "0.10")) {
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+ if (!options->value.s) {
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+ /* keep the default */
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+ } else if (!strcmp(options->value.s, "0.10")) {
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version = 2;
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} else if (!strcmp(options->value.s, "1.1")) {
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version = 3;
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--
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1.7.1
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