Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: [PATCH v3] libnvdimm, region: sysfs trigger for nvdimm_flush() | Date | Thu, 27 Apr 2017 15:43:41 -0400 |
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Dan Williams <dan.j.williams@intel.com> writes:
> We also still seem to need a discovery mechanism as I've had questions > about "how do I tell if my system supports deep flush?". That's where > sysfs is much better than an ioctl. The need for deep flush discovery > tips the scales, at least for me, to also do deep flush triggering > through the same interface.
Return ENXIO or EOPNOTSUPP from the ioctl when it isn't supported?
Cheers, Jeff
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