On Mon, Feb 13, 2012 at 02:40:26PM -0700, Andreas Dilger wrote: > > If a kernel understands METADATA_CSUM, it will check this first and > ignore whether GDT_CSUM is set or not (though it shouldn't ever be > set at the same time). Either of these features will cause an older > kernel to mount the filesystem read-only, which is all that is needed. ... note that when we check for the uninit bits, this will have to be done if GDT_CSUM || METADATA_CSUM are set. - Ted -- 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