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vdi: Add migration blocker 

vdi caches the block map. For migration to work, it would have to be
invalidated. Block migration for now.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2011-11-22 16:46:26 +01:00
parent fd9f102c3e
commit fc9d106c8d
1 changed files with 12 additions and 0 deletions
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12
block/vdi.c
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@ -52,6 +52,7 @@
#include "qemu-common.h" #include "qemu-common.h"
#include "block_int.h" #include "block_int.h"
#include "module.h" #include "module.h"
#include "migration.h"
#if defined(CONFIG_UUID) #if defined(CONFIG_UUID)
#include <uuid/uuid.h> #include <uuid/uuid.h>
@ -203,6 +204,8 @@ typedef struct {
uint32_t bmap_sector; uint32_t bmap_sector;
/* VDI header (converted to host endianness). */ /* VDI header (converted to host endianness). */
VdiHeader header; VdiHeader header;
Error *migration_blocker;
} BDRVVdiState; } BDRVVdiState;
/* Change UUID from little endian (IPRT = VirtualBox format) to big endian /* Change UUID from little endian (IPRT = VirtualBox format) to big endian
@ -454,6 +457,12 @@ static int vdi_open(BlockDriverState *bs, int flags)
goto fail_free_bmap; goto fail_free_bmap;
} }
/* Disable migration when vdi images are used */
error_set(&s->migration_blocker,
QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED,
"vdi", bs->device_name, "live migration");
migrate_add_blocker(s->migration_blocker);
return 0; return 0;
fail_free_bmap: fail_free_bmap:
@ -939,6 +948,9 @@ static int vdi_create(const char *filename, QEMUOptionParameter *options)
static void vdi_close(BlockDriverState *bs) static void vdi_close(BlockDriverState *bs)
{ {
BDRVVdiState *s = bs->opaque;
migrate_del_blocker(s->migration_blocker);
error_free(s->migration_blocker);
} }
static coroutine_fn int vdi_co_flush(BlockDriverState *bs) static coroutine_fn int vdi_co_flush(BlockDriverState *bs)