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Diffstat (limited to 'block/vhdx.c')
-rw-r--r--block/vhdx.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/block/vhdx.c b/block/vhdx.c
index e9704b1fdc..6cb04122bb 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -20,6 +20,7 @@
#include "qemu/module.h"
#include "qemu/crc32c.h"
#include "block/vhdx.h"
+#include "migration/migration.h"
/* Several metadata and region table data entries are identified by
@@ -159,6 +160,7 @@ typedef struct BDRVVHDXState {
VHDXParentLocatorHeader parent_header;
VHDXParentLocatorEntry *parent_entries;
+ Error *migration_blocker;
} BDRVVHDXState;
uint32_t vhdx_checksum_calc(uint32_t crc, uint8_t *buf, size_t size,
@@ -715,7 +717,8 @@ exit:
}
-static int vhdx_open(BlockDriverState *bs, QDict *options, int flags)
+static int vhdx_open(BlockDriverState *bs, QDict *options, int flags,
+ Error **errp)
{
BDRVVHDXState *s = bs->opaque;
int ret = 0;
@@ -805,6 +808,12 @@ static int vhdx_open(BlockDriverState *bs, QDict *options, int flags)
/* TODO: differencing files, write */
+ /* Disable migration when VHDX images are used */
+ error_set(&s->migration_blocker,
+ QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED,
+ "vhdx", bs->device_name, "live migration");
+ migrate_add_blocker(s->migration_blocker);
+
return 0;
fail:
qemu_vfree(s->headers[0]);
@@ -951,6 +960,8 @@ static void vhdx_close(BlockDriverState *bs)
qemu_vfree(s->headers[1]);
qemu_vfree(s->bat);
qemu_vfree(s->parent_entries);
+ migrate_del_blocker(s->migration_blocker);
+ error_free(s->migration_blocker);
}
static BlockDriver bdrv_vhdx = {