
The current iscsi block driver code makes the rather arbitrary decision that TYPE_MEDIUM_CHANGER and TYPE_TAPE devices have bs->sg = 1 and all other device types are disks. Instead of this, check for TYPE_DISK to expose the disk interface and make everything else bs->sg = 1. In particular, this includes devices with TYPE_STORAGE_ARRAY, which is what LUN 0 of an iscsi target is. (See https://bugzilla.redhat.com/show_bug.cgi?id=1067784 for the exact scenario.) Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Benoit Canet <benoit@irqsave.net> Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org - QEMU team
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