Blame SOURCES/libvirt-qemu_snapshot-remove-memory-snapshot-when-deleting-external-snapshot.patch

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From 3ef43d47b0a5a49b0896b1725476b4b6ec0629b0 Mon Sep 17 00:00:00 2001
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Message-Id: <3ef43d47b0a5a49b0896b1725476b4b6ec0629b0@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Tue, 21 Feb 2023 16:10:56 +0100
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Subject: [PATCH] qemu_snapshot: remove memory snapshot when deleting external
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 snapshot
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When deleting external snapshot we should remove the memory snapshot
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file as well.
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Reviewed-by: Peter Krempa <pkrempa@redhat.com>
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(cherry picked from commit 356e227208ec66fff178b91ed4b1197c7e6cf974)
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2170826
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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---
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 src/qemu/qemu_snapshot.c | 14 ++++++++++++--
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 1 file changed, 12 insertions(+), 2 deletions(-)
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diff --git a/src/qemu/qemu_snapshot.c b/src/qemu/qemu_snapshot.c
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index b8416808b3..5cdcbc6290 100644
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--- a/src/qemu/qemu_snapshot.c
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+++ b/src/qemu/qemu_snapshot.c
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@@ -2684,9 +2684,11 @@ qemuSnapshotSetInvalid(virDomainObj *vm,
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 static int
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 qemuSnapshotDiscardExternal(virDomainObj *vm,
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+                            virDomainMomentObj *snap,
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                             GSList *externalData)
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 {
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     GSList *cur = NULL;
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+    virDomainSnapshotDef *snapdef = virDomainSnapshotObjGetDef(snap);
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     for (cur = externalData; cur; cur = g_slist_next(cur)) {
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         qemuSnapshotDeleteExternalData *data = cur->data;
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@@ -2756,6 +2758,14 @@ qemuSnapshotDiscardExternal(virDomainObj *vm,
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             goto error;
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     }
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+    if (snapdef->memory == VIR_DOMAIN_SNAPSHOT_LOCATION_EXTERNAL &&
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+        snapdef->memorysnapshotfile) {
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+        if (unlink(snapdef->memorysnapshotfile) < 0) {
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+            VIR_WARN("failed to remove memory snapshot '%s'",
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+                     snapdef->memorysnapshotfile);
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+        }
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+    }
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+
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     return 0;
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  error:
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@@ -2886,7 +2896,7 @@ qemuSnapshotDiscardImpl(virQEMUDriver *driver,
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             }
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             if (virDomainSnapshotIsExternal(snap)) {
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-                if (qemuSnapshotDiscardExternal(vm, externalData) < 0)
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+                if (qemuSnapshotDiscardExternal(vm, snap, externalData) < 0)
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                     return -1;
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             } else {
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                 if (qemuDomainSnapshotForEachQcow2(driver, def, snap, "-d", true) < 0)
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@@ -2894,7 +2904,7 @@ qemuSnapshotDiscardImpl(virQEMUDriver *driver,
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             }
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         } else {
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             if (virDomainSnapshotIsExternal(snap)) {
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-                if (qemuSnapshotDiscardExternal(vm, externalData) < 0)
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+                if (qemuSnapshotDiscardExternal(vm, snap, externalData) < 0)
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                     return -1;
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             } else {
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                 /* Similarly as internal snapshot creation we would use a regular job
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-- 
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2.39.1
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