aboutsummaryrefslogtreecommitdiff
path: root/block/iscsi.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/iscsi.c')
-rw-r--r--block/iscsi.c9
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;
}