Am 13.10.2011 13:04, schrieb Paolo Bonzini: > scsi-block is a new device that supports device passthrough of Linux > block devices (i.e. /dev/sda, not /dev/sg0). It uses SG_IO for commands > other than I/O commands, and regular AIO read/writes for I/O commands. > Besides being simpler to configure (no mapping required to scsi-generic > device names), this removes the need for a large bounce buffer and, > in the future, will get scatter/gather support for free from scsi-disk. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
This doesn't seem to use much of scsi-disk, so what about exporting &scsi_disk_reqops and adding a separate file scsi-block.c? Would make things a bit more symmetrical between scsi-disk and scsi-generic. Or will future patches add code that depends on internal interfaces of scsi-disk? Kevin
