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qemu: migration: allow migration for virtiofs

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Allow migration if the "migrate-precopy" capability is present or
libvirt is not the one running the virtiofs daemon.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Ján Tomko 2024-07-04 15:54:30 +02:00
parent 8dc04cafec
commit d94b31a68a
1 changed files with 7 additions and 2 deletions
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9
src/qemu/qemu_migration.c
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@ -39,6 +39,7 @@
#include "qemu_slirp.h"
#include "qemu_block.h"
#include "qemu_tpm.h"
#include "qemu_vhost_user.h"
#include "domain_audit.h"
#include "virlog.h"
@ -1576,8 +1577,12 @@ qemuMigrationSrcIsAllowed(virDomainObj *vm,
virDomainFSDef *fs = vm->def->fss[i];
if (fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_VIRTIOFS) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("migration with virtiofs device is not supported"));
if (fs->sock ||
virBitmapIsBitSet(fs->caps, QEMU_VHOST_USER_FS_FEATURE_MIGRATE_PRECOPY))
continue;
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("migration with this virtiofs device is not supported"));
return false;
}
}