> A null mount should do the job and this fstab entry should work: > > /path/to/orig /path/to/ov[e]rlay null ro,noatime Unfortunately, that doesn't work. I get mount_null: -o atime: option not supported (yes, that's "atime", not "noatime").
Just mounting ro doesn't seem to stop the atime updates. Other suggestions to selectively disable atime updates? I'm on 6.0_BETA/amd64 in case that matters.