diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2017-06-28 15:05:19 +0300 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2017-07-11 17:44:58 +0200 |
| commit | 5f72826e7fc62167cf3a37383d1c1151bc9971fe (patch) | |
| tree | 573f4c28b9f044f6e2511d6cefcf4ec5abee8886 /block/qcow2.c | |
| parent | 3dd10a06d173e0904c6d47ced1de67c40139d5b1 (diff) | |
qcow2: add persistent dirty bitmaps support
Store persistent dirty bitmaps in qcow2 image.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170628120530.31251-20-vsementsov@virtuozzo.com
[mreitz: Always assign ret in store_bitmap() in case of an error]
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index 19cc49a85b..790b5b188f 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2046,6 +2046,7 @@ static int qcow2_inactivate(BlockDriverState *bs) { BDRVQcow2State *s = bs->opaque; int ret, result = 0; + Error *local_err = NULL; ret = qcow2_cache_flush(bs, s->l2_table_cache); if (ret) { @@ -2061,6 +2062,14 @@ static int qcow2_inactivate(BlockDriverState *bs) strerror(-ret)); } + qcow2_store_persistent_dirty_bitmaps(bs, &local_err); + if (local_err != NULL) { + result = -EINVAL; + error_report_err(local_err); + error_report("Persistent bitmaps are lost for node '%s'", + bdrv_get_device_or_node_name(bs)); + } + if (result == 0) { qcow2_mark_clean(bs); } |