Tom London wrote: > On Sat, Oct 11, 2008 at 2:45 PM, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: >> Tom London wrote: >>> On Fri, Oct 10, 2008 at 12:10 PM, Eric Sandeen <sandeen@xxxxxxxxxx> wrote: >>>> Eric Sandeen wrote: >>>> >>>>> Changing /etc/fstab to list "ext4" for the root fs may be enough, do it >>>>> before you install the new kernel. >>>> On further reflection, you will probably just have to do this. >>>> >>>> -Eric >>>> >>>>> notting suggested a module alias to ext4dev in the ext4.ko module >>>>> itself, that sounds like a good plan and as long as it gets upstream >>>>> I'll commit it to Fedora shortly, and I think that should make it all >>>>> seamless. >>> I have an 'ext4' FS on a USB hard drive. When I plug this in, I get a >>> "Cannot mount volume" popup: >>> >>> The volume 'Backup1' uses the ext4dev file system which is not >>> supported by your system, followed by a dbus-type failure error >>> message about a minute later. >>> >>> This just me, or what additional changes are needed? >> Do you have the most recent e2fsprogs? And/or what does blkid >> /dev/whatever say... if it says ext4dev, try newer e2fsprogs - blkid had >> a bug that caused it to say "ext4dev" when "ext4" is what we wanted. >> >> Going forward I think we'll register both ext4 & ext4dev from the ext4 >> kernel module, at least for a while, so that "mount -t ext4dev" will >> work still work in the transition period. >> >> Sorry for all the hassle :) >> >> -Eric >> > No hassle, this is fun! ;) > > Anyway: > > [root@tlondon ~]# rpm -q e2fsprogs > e2fsprogs-1.41.2-2.fc10.i386 > [root@tlondon ~]# blkid /dev/sdb1 > /dev/sdb1: LABEL="Backup1" UUID="7066e635-fe1f-4cf8-94a6-1a3e9229a44c" > TYPE="ext4" > [root@tlondon ~]# > > Guessing that something is compiled with 'ext4dev' (not 'ext4'), I did > 'strings | grep ext4' in the usual places (/bin, /sbin, /usr/bin, > /usr/sbin/, /usr/libexec, /usr/lib). Here is what I got (omitting > those that appeared to have both 'ext4' and ext4dev'): > > /sbin/quotacheck > ext4dev crud, you're right: #define MNTTYPE_EXT4 "ext4dev" /* ext4 filesystem */ we'll need to update that. Thanks, -Eric -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
