On Wed, Jan 24, 2007 at 09:40:34AM -0800, Mingming Cao wrote: > Could we just increment the counter each time the mtime is modifies(not > the ctime)? Is that enough to serve NFSv4 need? No, the NFSv4 change attribute is also supposed to change on metadata updates. --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