diff options
| -rw-r--r-- | block/iscsi.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/block/iscsi.c b/block/iscsi.c index 0a15f53f8c..b490e98c05 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -1231,12 +1231,11 @@ static int iscsi_open(BlockDriverState *bs, QDict *options, int flags, bs->total_sectors = sector_lun2qemu(iscsilun->num_blocks, iscsilun); bs->request_alignment = iscsilun->block_size; - /* Medium changer or tape. We dont have any emulation for this so this must - * be sg ioctl compatible. We force it to be sg, otherwise qemu will try - * to read from the device to guess the image format. + /* We don't have any emulation for devices other than disks and CD-ROMs, so + * this must be sg ioctl compatible. We force it to be sg, otherwise qemu + * will try to read from the device to guess the image format. */ - if (iscsilun->type == TYPE_MEDIUM_CHANGER || - iscsilun->type == TYPE_TAPE) { + if (iscsilun->type != TYPE_DISK && iscsilun->type != TYPE_ROM) { bs->sg = 1; } |