tree 45ba32ba8d38794215a866619a9cf99c57bb8a4e
parent b07cd3e748b3f27a17c27afeee578dc4eedb8dd5
author Chen Hanxiao <chenhanxiao@gmail.com> 1528963813 +0800
committer Michael Roth <mdroth@linux.vnet.ibm.com> 1530633318 -0500

qga: unset frozen state if no mount points are frozen

If we set mountpoints to qmp_guest_fsfreeze_freeze_list,
we may got nothing to freeze as all mountpoints are
not valid.
So call ga_unset_frozen in this senario.

Also, if we return 0 frozen fs, there is no need to call
guest-fsfreeze-thaw.

Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>