> Yes, but it also is true that the particular behavior in SCSI-2 
> reservations prevents excludes FORMAT.  Its this particular need in 
> SCSI-2, that causes RESERVE and RELEASE to be exposed to blk2scsa 
> dependent drivers.
> 
> These commands are are issued by blk2scsa in response to the 
> corresponding reserve and release commands in the SCSI-2 protocol.

What does blk2scsa do with SCMD's that don't have a corresponding 
B2S_CMD? Reservation commands could be handled in the same way (faked 
success). Even if you tried to write a blk2scsa-based driver for devices 
that support multiple initiators, you got bigger problems and 
B2S_CMD_RESERVE is not going to help.

-Artem
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