Heads up on ext4 changes

[Eric Sandeen]

Tom London wrote:

> OK, this is getting spooky....
> 
> After "forcing" gnome-mount (via "gnome-mount -d /dev/sdb1 --fstype
> ext4"), and unmounting (via gnome-mount -u), I rebooted and forgot to
> power off/unplug the USB drive.
> 
> After gdm login, the system had no problem mounting the ext4
> filesystem (/media/Backup1 was "just there").
> 
> Now, each time I "plug in" the USB drive, it just automagically mounts
> the ext4 FS without any complaints or problems.
> 
> I can only guess that something was "caching" the filesystem type
> (udev?) somewhere....
> 
> On the up side, this is now "just working" for me.  On the down side,
> not sure I can help debug this any longer....
> 
> Make sense to you?
> 
> tom

I'm honestly not as up to speed on udev as I probably should be, but
I've seen Ted make references before to needing reboots before new
filesystems can be recognized via udev... perhaps it's the same thing.

-Eric