102 lines
3.8 KiB
Diff
102 lines
3.8 KiB
Diff
From 521f0cf0b4830249e6219c27b825311450519213 Mon Sep 17 00:00:00 2001
|
|
From: John Snow <jsnow@redhat.com>
|
|
Date: Wed, 18 Jul 2018 22:54:41 +0200
|
|
Subject: [PATCH 223/268] qapi: add disabled parameter to
|
|
block-dirty-bitmap-add
|
|
|
|
RH-Author: John Snow <jsnow@redhat.com>
|
|
Message-id: <20180718225511.14878-6-jsnow@redhat.com>
|
|
Patchwork-id: 81404
|
|
O-Subject: [RHEL-7.6 qemu-kvm-rhev PATCH 05/35] qapi: add disabled parameter to block-dirty-bitmap-add
|
|
Bugzilla: 1207657
|
|
RH-Acked-by: Eric Blake <eblake@redhat.com>
|
|
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
|
|
RH-Acked-by: Fam Zheng <famz@redhat.com>
|
|
|
|
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
|
|
|
|
This is needed, for example, to create a new bitmap and merge several
|
|
disabled bitmaps into a new one. Without this flag we will have to
|
|
put block-dirty-bitmap-add and block-dirty-bitmap-disable into one
|
|
transaction.
|
|
|
|
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
|
|
Signed-off-by: John Snow <jsnow@redhat.com>
|
|
Reviewed-by: Jeff Cody <jcody@redhat.com>
|
|
Message-id: 20180606182449.1607-6-jsnow@redhat.com
|
|
Signed-off-by: John Snow <jsnow@redhat.com>
|
|
(cherry picked from commit a6e2ca5f6521553681ae136578ec1cb67e1a7973)
|
|
Signed-off-by: John Snow <jsnow@redhat.com>
|
|
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
|
|
---
|
|
blockdev.c | 10 ++++++++++
|
|
qapi/block-core.json | 6 +++++-
|
|
2 files changed, 15 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/blockdev.c b/blockdev.c
|
|
index 837183c..d425746 100644
|
|
--- a/blockdev.c
|
|
+++ b/blockdev.c
|
|
@@ -2074,6 +2074,7 @@ static void block_dirty_bitmap_add_prepare(BlkActionState *common,
|
|
action->has_granularity, action->granularity,
|
|
action->has_persistent, action->persistent,
|
|
action->has_autoload, action->autoload,
|
|
+ action->has_x_disabled, action->x_disabled,
|
|
&local_err);
|
|
|
|
if (!local_err) {
|
|
@@ -2881,6 +2882,7 @@ void qmp_block_dirty_bitmap_add(const char *node, const char *name,
|
|
bool has_granularity, uint32_t granularity,
|
|
bool has_persistent, bool persistent,
|
|
bool has_autoload, bool autoload,
|
|
+ bool has_disabled, bool disabled,
|
|
Error **errp)
|
|
{
|
|
BlockDriverState *bs;
|
|
@@ -2915,6 +2917,10 @@ void qmp_block_dirty_bitmap_add(const char *node, const char *name,
|
|
warn_report("Autoload option is deprecated and its value is ignored");
|
|
}
|
|
|
|
+ if (!has_disabled) {
|
|
+ disabled = false;
|
|
+ }
|
|
+
|
|
if (persistent &&
|
|
!bdrv_can_store_new_dirty_bitmap(bs, name, granularity, errp))
|
|
{
|
|
@@ -2926,6 +2932,10 @@ void qmp_block_dirty_bitmap_add(const char *node, const char *name,
|
|
return;
|
|
}
|
|
|
|
+ if (disabled) {
|
|
+ bdrv_disable_dirty_bitmap(bitmap);
|
|
+ }
|
|
+
|
|
bdrv_dirty_bitmap_set_persistance(bitmap, persistent);
|
|
}
|
|
|
|
diff --git a/qapi/block-core.json b/qapi/block-core.json
|
|
index 50a2763..9a9cfa0 100644
|
|
--- a/qapi/block-core.json
|
|
+++ b/qapi/block-core.json
|
|
@@ -1734,11 +1734,15 @@
|
|
# Currently, all dirty tracking bitmaps are loaded from Qcow2 on
|
|
# open.
|
|
#
|
|
+# @x-disabled: the bitmap is created in the disabled state, which means that
|
|
+# it will not track drive changes. The bitmap may be enabled with
|
|
+# x-block-dirty-bitmap-enable. Default is false. (Since: 3.0)
|
|
+#
|
|
# Since: 2.4
|
|
##
|
|
{ 'struct': 'BlockDirtyBitmapAdd',
|
|
'data': { 'node': 'str', 'name': 'str', '*granularity': 'uint32',
|
|
- '*persistent': 'bool', '*autoload': 'bool' } }
|
|
+ '*persistent': 'bool', '*autoload': 'bool', '*x-disabled': 'bool' } }
|
|
|
|
##
|
|
# @BlockDirtyBitmapMerge:
|
|
--
|
|
1.8.3.1
|
|
|