On 2018-09-21 10:18 AM, Bjorn Helgaas wrote: > Where do these store/show functions get connected to sysfs? I know > there's a lot of magic there, so apologies if I'm missing it. Well in this patch set they are used in configfs not sysfs. It's not magic, they are just helpers for other drivers. They are called in Patch 13 by NVMe target's configfs functions. Logan