On a Monday in 2021, Peter Krempa wrote:
Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx> --- NEWS.rst | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index 440dbf2601..8d639253ff 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -51,6 +51,20 @@ v7.1.0 (unreleased) * **Bug fixes** + * qemu: Fix disk quiescing rollback when creating external snapshots + + If the qemu guest agent call to freeze filesystems failed when creating + an external snapshot with ``VIR_DOMAIN_SNAPSHOT_CREATE_QUIESCE`` flag the + filesystems would be unconditionally thawed. This could cause problems when + the filesystems were frozen by an explicit call to ``virDomainFSFreeze`` + since the guest agent then rejects any further freeze attempts once are + filesystems frozen, an explicit freeze followed by a quiesced snapshot + would fail and thaw filesystems. + + Users are also encouraged to use ``virDomainFSFreeze/Thaw`` manually instead + of relying on ``VIR_DOMAIN_SNAPSHOT_CREATE_QUIESCE`` if they need finer + grained control. +
Reviewed-by: Ján Tomko <jtomko@xxxxxxxxxx> Jano
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