On Tue, Jul 10, 2018 at 05:53:18PM -0400, Tony Battersby wrote: > At my job (https://www.cybernetics.com/), I use the write()/read() > interface to the SCSI generic driver for access to tape drives and tape > medium changers. For example, the write()/read() interface is useful > for implementing RAID-like functionality for tape drives since a single > thread can send commands to multiple tape drives at once and poll() for > command completion. We have a lot of code invested in this interface, > so it would be a huge pain for us if it were removed. But in our case, > everything runs as root (as the firmware of an embedded storage > appliance), so extra permission checks should be OK. Do you just use read/write on /dev/sg or also on /dev/bsg? Because I started a discussion to kill the read/write support for the latter even before Linus brought it up here.. (and we have the same fix pending for /dev/bsg)
