From: David Howells Subject: Re: [PATCH 02/18] xstat: Add a pair of system calls to make extended file stats available [ver #6] Date: Sat, 17 Jul 2010 10:49:00 +0100 Message-ID: <19785.1279360140@redhat.com> References: <20100717055130.GA2053@zoia.osj.us> <201007161302.35775.arnd@arndb.de> <20100716062251.GA9318@zoia.osj.us> <30646.1279230807@redhat.com> <8527.1279275842@redhat.com> <10677.1279283886@redhat.com> Cc: dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, Arnd Bergmann , Steve French , viro-RmSDqhL/yNMiFSDQTTA3OLVCufUGDwFn@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, samba-technical-w/Ol4Ecudpl8XjKLYN78aQ@public.gmane.org, linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Harris Return-path: In-Reply-To: <20100717055130.GA2053-EJgEOVOPJGBzbRFIqnYvSA@public.gmane.org> Sender: linux-cifs-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-ext4.vger.kernel.org Mark Harris wrote: > At least for the in-tree filesystems, I do not see any that keep > timestamps with a granularity larger than 2s. For that, a simple > 32-bit tv_granularity in nanoseconds (not limited to 1e9) would > suffice, and there is no need for the complexity of dealing with > a separate exponent. That's a good point. David