> On 02/25/10 11:23, Markus Armbruster wrote: > > You're supposed to use scsi-generic for that. Which rejects anything > > but /dev/sg*. > > Well, it isn't *that* easy. The SG_IO ioctl used by scsi-generic works > on tons of devices in linux, not only /dev/sg*. I've seen patches > floading around which change the check bdrv_is_sg() into "try SG_IO and > see if it works", which would allow to use /dev/sda with both scsi-disk > and scsi-generic depending on what you want. Which makes alot of sense. > > Making that change needs some extra care though to avoid existing > configurations switching from scsi-disk to scsi-generic unnoticed.
Don't we really want to be testing !bdrv_is_block() ? Paul
