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authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>2017-06-28 15:05:20 +0300
committerMax Reitz <mreitz@redhat.com>2017-07-11 17:44:58 +0200
commit169b87935966791a860f59a2b17c4e0c7b953779 (patch)
tree2c76d00277ffe3d6b651737e7113b9530f117a9f /block/qcow2.c
parent5f72826e7fc62167cf3a37383d1c1151bc9971fe (diff)
downloadqemu-169b87935966791a860f59a2b17c4e0c7b953779.tar.gz
qcow2: store bitmaps on reopening image as read-only
Store bitmaps and mark them read-only on reopening image as read-only. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: 20170628120530.31251-21-vsementsov@virtuozzo.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/qcow2.c')
-rw-r--r--block/qcow2.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index 790b5b188f..1a31f1d360 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1555,6 +1555,11 @@ static int qcow2_reopen_prepare(BDRVReopenState *state,
/* We need to write out any unwritten data if we reopen read-only. */
if ((state->flags & BDRV_O_RDWR) == 0) {
+ ret = qcow2_reopen_bitmaps_ro(state->bs, errp);
+ if (ret < 0) {
+ goto fail;
+ }
+
ret = bdrv_flush(state->bs);
if (ret < 0) {
goto fail;