return 1; > > + /* > > + * Is the previous atime value old than a day? If yes, > > * update atime: > > */ > > if ((long)(now.tv_sec - inode->i_atime.tv_sec) >= 24*60*60) > > I don't think this is a good plan for cluster filesystems, since if the > times on the nodes are not exactly synchronised (we do highly recommend > people run ntp or similar) then this might lead to excessive atime > updating. The current behaviour is to ignore atimes which are in the > future for exactly this reason, Well, would these "update storms" really be a problem? AFAICT they should be fairly non-frequent, and worst thing that can happen is that you'll do as many updates as different time settings, settling for the lowest value...? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
