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qemu: Skip pre-creation of NVMe disks

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Upon migration with disks, libvirt determines if each disk exists
on the destination and tries to pre-create missing ones. Well,
NVMe disks can't be pre-created, but they can be checked for
presence.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1823639

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Michal Privoznik 2020-05-26 16:26:25 +02:00
parent 146b3ed2bc
commit a5a297f387
1 changed files with 7 additions and 1 deletions
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8
src/qemu/qemu_migration.c
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@ -315,6 +315,7 @@ qemuMigrationDstPrecreateStorage(virDomainObjPtr vm,
for (i = 0; i < nbd->ndisks; i++) {
virDomainDiskDefPtr disk;
const char *diskSrcPath;
g_autofree char *nvmePath = NULL;
VIR_DEBUG("Looking up disk target '%s' (capacity=%llu)",
nbd->disks[i].target, nbd->disks[i].capacity);
@ -326,7 +327,12 @@ qemuMigrationDstPrecreateStorage(virDomainObjPtr vm,
goto cleanup;
}
diskSrcPath = virDomainDiskGetSource(disk);
if (disk->src->type == VIR_STORAGE_TYPE_NVME) {
virPCIDeviceAddressGetSysfsFile(&disk->src->nvme->pciAddr, &nvmePath);
diskSrcPath = nvmePath;
} else {
diskSrcPath = virDomainDiskGetSource(disk);
}
/* Skip disks we don't want to migrate and already existing disks. */
if (!qemuMigrationAnyCopyDisk(disk, nmigrate_disks, migrate_disks) ||