Re: CVS commit: src/sys/ufs/ufs

[YAMAMOTO Takashi <yamt%mwd.biglobe.ne.jp@localhost>]

hi,

> Can you please request this change to be pulled up to the netbsd-2-0
> branch?  The patch looks ok to me.

i will do after a few days.  i don't like immediate pullups...

> How did you uncover this problem?  I've been interested in testing
> filesystems with large numbers of logical blocks by creating a 2tb
> ufs2 filesystem with a 512 byte fragment size, but haven't yet done so
> myself.

"dd if=/dev/zero of=a seek=1t" and see softdep panics.
no need to create a large filesystem,
because what matters in this case are file offsets.

to test disk offsets, using vnd(4) on a large sparse file over nfs
might be the easiest way.

> Do you know if there are other problems lurking for that
> case?

no.

YAMAMOTO Takashi