On Mon, May 14, 2012 at 05:33:04PM -0600, Andreas Dilger wrote: > I said as much in another reply - that once i_version is used on > a filesystem, it should be made "sticky" (i.e. permanently enabled > for that filesystem). However, until that time it shouldn't be > enabled just because it might one day be used. > > Even better than just blindly bumping the i_version on every change, > it would be better to have users of i_version (i.e. knfsd) flag the > inode with "needs i_version update" then read the version. When the > filesystem/VFS bumps i_version the next time it can clear this flag > and not update i_version again until after the next time i_version > is actually used. I really don't want to do anything more complicated than necessary. What would be the worst-case test for the extra inode dirtying, so we can see what the numbers actually are? --b. -- 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