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SubjectRe: [OOPS 2.5.5-dj2] ext3 BUG in do_get_write_access()


On Friday, March 01, 2002 07:41:55 PM +0000 "Stephen C. Tweedie" <sct@redhat.com> wrote:

> In this particular case, I think I'll just have to relax the assertion
> and cause it to printk instead of BUG()ing, because I don't want to
> lose the protection of this test entirely.
>
> I'd really like to be able to detect such direct buffered-io
> "interference" from user-space, though, so that I could preserve the
> BUG() in cases where ext3 is getting this wrong internally. I'll look
> at that --- I may be able to achieve it through ext3's existing
> metadata flags.

Do I misunderstand the assertion? It seems to be saying:

'this buffer has been written out of order. If we were to crash
now, it will result in FS corruption'.
BUG()

If so, a printk alone might be better, since it would give the FS
the chance to put the correct data there anyway.

-chris



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