libvirt/SOURCES/libvirt-qemu_snapshot-allow-reverting-to-external-disk-only-snapshot.patch
2025-05-13 09:18:07 +03:00

51 lines
2.1 KiB
Diff

From b0282d5149f90b155a38881f92e3263bd23d9878 Mon Sep 17 00:00:00 2001
Message-ID: <b0282d5149f90b155a38881f92e3263bd23d9878.1741876175.git.jdenemar@redhat.com>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Wed, 31 Jan 2024 17:14:28 +0100
Subject: [PATCH] qemu_snapshot: allow reverting to external disk only snapshot
When snapshot is created with disk-only flag it is always external
snapshot without memory state. Historically when there was not support
to revert external snapshots this produced error message.
error: Failed to revert snapshot s1
error: internal error: Invalid target domain state 'disk-snapshot'. Refusing snapshot reversion
Now we can simply consider this as reverting to offline snapshot as the
possible damage to file system is already done at the point of snapshot
creation.
Resolves: https://issues.redhat.com/browse/RHEL-21549
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
(cherry picked from commit 443ae4adec3a94a575ea2acaa112188e721c7dfe)
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
---
src/qemu/qemu_snapshot.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/src/qemu/qemu_snapshot.c b/src/qemu/qemu_snapshot.c
index b1f4ebb995..3a8510c69e 100644
--- a/src/qemu/qemu_snapshot.c
+++ b/src/qemu/qemu_snapshot.c
@@ -2884,6 +2884,7 @@ qemuSnapshotRevert(virDomainObj *vm,
case VIR_DOMAIN_SNAPSHOT_SHUTDOWN:
case VIR_DOMAIN_SNAPSHOT_SHUTOFF:
case VIR_DOMAIN_SNAPSHOT_CRASHED:
+ case VIR_DOMAIN_SNAPSHOT_DISK_SNAPSHOT:
ret = qemuSnapshotRevertInactive(vm, snapshot, snap,
driver, cfg,
&inactiveConfig,
@@ -2895,8 +2896,6 @@ qemuSnapshotRevert(virDomainObj *vm,
_("qemu doesn't support reversion of snapshot taken in PMSUSPENDED state"));
goto endjob;
- case VIR_DOMAIN_SNAPSHOT_DISK_SNAPSHOT:
- /* Rejected earlier as an external snapshot */
case VIR_DOMAIN_SNAPSHOT_NOSTATE:
case VIR_DOMAIN_SNAPSHOT_BLOCKED:
case VIR_DOMAIN_SNAPSHOT_LAST:
--
2.48.1