diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2018-07-02 15:46:29 -0400 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2018-07-02 15:23:54 -0500 |
| commit | 930fe17f9900e9c879834f2d2e5c301992623332 (patch) | |
| tree | 0ac6b28082fe6bc5635a0a2de812e01c157f3793 /blockdev.c | |
| parent | 8ee1cef4593a7bda076891470c0620e79333c0d0 (diff) | |
blockdev: enable non-root nodes for backup source
This is needed to implement the image-fleecing workflow where we
create a temporary node backed by an active node, then start
backupdev-backup sync=none from the active node to the temp node.
In this case, the active node is now a root node AND a backing node,
so it no longer qualifies as a root node, so we loosen the restriction
on which nodes can be considered as the source for a backup.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20180702194630.9360-2-jsnow@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/blockdev.c b/blockdev.c index 58d7570932..72f5347df5 100644 --- a/blockdev.c +++ b/blockdev.c @@ -1859,7 +1859,7 @@ static void blockdev_backup_prepare(BlkActionState *common, Error **errp) assert(common->action->type == TRANSACTION_ACTION_KIND_BLOCKDEV_BACKUP); backup = common->action->u.blockdev_backup.data; - bs = qmp_get_root_bs(backup->device, errp); + bs = bdrv_lookup_bs(backup->device, backup->device, errp); if (!bs) { return; } @@ -3517,7 +3517,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn, backup->compress = false; } - bs = qmp_get_root_bs(backup->device, errp); + bs = bdrv_lookup_bs(backup->device, backup->device, errp); if (!bs) { return NULL; } |