diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/vmdk.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index 057c3f1fcd..480ea37d7c 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -2076,6 +2076,26 @@ static ImageInfoSpecific *vmdk_get_specific_info(BlockDriverState *bs) return spec_info; } +static int vmdk_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) +{ + int i; + BDRVVmdkState *s = bs->opaque; + assert(s->num_extents); + bdi->needs_compressed_writes = s->extents[0].compressed; + if (!s->extents[0].flat) { + bdi->cluster_size = s->extents[0].cluster_sectors << BDRV_SECTOR_BITS; + } + /* See if we have multiple extents but they have different cases */ + for (i = 1; i < s->num_extents; i++) { + if (bdi->needs_compressed_writes != s->extents[i].compressed || + (bdi->cluster_size && bdi->cluster_size != + s->extents[i].cluster_sectors << BDRV_SECTOR_BITS)) { + return -ENOTSUP; + } + } + return 0; +} + static QEMUOptionParameter vmdk_create_options[] = { { .name = BLOCK_OPT_SIZE, @@ -2132,6 +2152,7 @@ static BlockDriver bdrv_vmdk = { .bdrv_has_zero_init = vmdk_has_zero_init, .bdrv_get_specific_info = vmdk_get_specific_info, .bdrv_refresh_limits = vmdk_refresh_limits, + .bdrv_get_info = vmdk_get_info, .create_options = vmdk_create_options, }; |