Re: [PATCH] fs: don't overwrite the nsec field if I_CTIME_QUERIED is already set

[Christian Brauner]

On Fri, Aug 09, 2024 at 09:39:43AM GMT, Jeff Layton wrote:
> When fetching the ctime's nsec value for a stat-like operation, do a
> simple fetch first and avoid the atomic_fetch_or if the flag is already
> set.
> 
> Suggested-by: Mateusz Guzik <mjguzik@xxxxxxxxx>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
> I'm running tests on this now, but I don't expect any problems.
> 
> This is based on top of Christian's vfs.mgtime branch. It may be best to
> squash this into 6feb43ecdd8e ("fs: add infrastructure for multigrain
> timestamps").

Squashed it. Can you double-check that things look correct?