On Tue, 27 Jan 2009 10:37:06 -0500 Theodore Tso <tytso@xxxxxxx> wrote: > On Tue, Jan 27, 2009 at 02:37:14PM +0000, Nick Warne wrote: > > > > I see. I currently build ext3 in the kernel (as well as ext4), as > > I keep /boot partition ext3 for bootloader lilo. > > > > So I can remove ext3 now, and lilo and kernel ext4 will happily read > > and use /boot partition as ext3 OK? > > The only thing which might not work is automatic type detection with > mount. That is, if you specify: > > mount /dev/hda1 /boot > > without specifying a filesystem type, /bin/mount will probably do an > automatic type detection, detect that the filesystem is an ext3 > filesystem, and attempt to mount it as ext3, and not know to try it > with ext4. Libraries such as blkid and fsid could be made smart > enough to do the right thing, but they don't at the moment. > > But if you type "mout -t ext4 /dev/sda1 /boot", you can mount an ext3 > filesystem using the ext4 filesystem driver, and with 2.6.29 and up, > you'll be able to mount ext2 filesystems using the ext4 filesystem > code. (You'll also be able to create extent-based filesystems without > a journal, which is why Google contributed the support for this.) > > - Ted Many thanks Ted - you cleared up the 'missing link' in any of the docs I could find. Nick -- Free Software Foundation Associate Member 5508 http://linicks.net/ -- 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
