Re: selectively disabling atime updates?

["J. Hannken-Illjes" <hannken%eis.cs.tu-bs.de@localhost>]

A null mount should do the job and this fstab entry should work:

        /path/to/orig /path/to/ovarlay null ro,noatime 

--
Juergen Hannken-Illjes - hannken%eis.cs.tu-bs.de@localhost - TU Braunschweig 
(Germany)

On May 31, 2012, at 2:14 PM, Edgar Fuß wrote:

> Walking a directory tree (e.g. during a backup) unnecessarily updates atimes.
> Mounting -o noatime is not an option because the atime updates are needed
> elsewhere.
> Is there an option (overlay mount or such) to present a file system noatime
> (or even read-only) to one process (or at one mount point) but "normally"
> to other processes (or at another mount point)?
> It would probably suffice if the NFS export would update atimes but local
> access wouldn't.