Re: ext3 kernel bug, was: Compiling a kernel on an UltraSparc?
On Mon, Dec 23, 2002 at 06:31:30PM -0500, Andrew Hurt wrote:
> On 12/21/02 20:52, Craig Dickson wrote:
> >Frank Copeland wrote:
> >>AIUI, the problem with ext3 filesystems applies only if they are in
> >>journal mode, which isn't the default. I've also seen suggestions that
> >>the bug exists in several versions of the 2.4.x kernels prior to
> >You mean "data journaling" mode -- ext3 is always journaling, so your
> >statement as written makes no sense, though what you meant to say is
> >correct. The default "ordered" mode is not affected by the bug in
> Just a small aside, guys:
> How do I tell what type of mode I currently have (I'm with ext3, and still
> using kernel-2.4.19).
Look in your fstab (or vgrep the output of 'mount') and look at the
options in parens after the "type ext3" bit: if you don't see
"data=journal" (or some other "data=" option) then you are running the
default which is "data=ordered", which means you are in the clear.
nnorman@aglarond:~ $ mount
/dev/sda1 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw)
/dev/sda2 on /usr type ext3 (rw,data=journal)
/dev/sda4 on /var type ext3 (rw,data=journal)
/dev/sda5 on /tmp type ext3 (rw)
/dev/sda6 on /var/tmp type ext3 (rw)
/dev/sda7 on /home type ext3 (rw)
Nathan Norman - Incanus Networking mailto:email@example.com
If you don't know what your program is supposed to do, you'd
better not start writing it.
-- Edsger Dijkstra