Dan Williams <[email protected]> writes: > On Fri, Jun 16, 2017 at 10:00 AM, Jeff Moyer <[email protected]> wrote: >> Dave Jiang <[email protected]> writes: >> >>> The daxctl io option allows I/Os to be performed between block/file to >>> and from device dax files. It also provides a way to zero a device dax >>> device. >>> >>> i.e. daxctl io --input=/home/myfile --output=/dev/dax1.0 >> >> Does that really belong in daxctl? > > I'm open to teaching other utilities how to do mmap based i/o, but is > there any harm in carrying this dedicated utility for this purpose?
Well, what is the purpose of daxctl, exactly? Given the 'ctl' in the name, I figured it was used for configuration. > Certainly the error clearing interface to send custom nvdimm ioctls is > not something I expect 'cp' or 'dd' to comprehend. Sure, clearing errors makes sense. I don't see a need to reimplement dd or xfs_io, though. Cheers, Jeff _______________________________________________ Linux-nvdimm mailing list [email protected] https://lists.01.org/mailman/listinfo/linux-nvdimm
