On Thu, Mar 14, 2019 at 09:38:05PM +0200, Amir Goldstein wrote: > OTOH, ovl_path_open() from ovl_copy_up_data() does open lower > file with O_NOATIME, so I am a bit surprised you did not see the > same issue there. Good point actually, I did forget about that. The reason we did not run into this issue is because Nix store paths are *never* changed (only new ones are added) and the store is mounted read-only (new paths are crated using a mount namespace where the store path is writable). So yes, actually the O_NOATIME should also be removed from ovl_copy_up_data(). a! -- aszlig Universal dilettante
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