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SubjectRe: VM BUG, set_page_dirty() buggy?
Jens Axboe wrote:
>
> Hi,
>
> I'm seeing what looks like a bug in set_page_dirty() in 2.5.44 (and
> 2.5.44-mm5), pages are being dumped.

It's not set_page_dirty() or direct IO. There's a fairly long-standing
bug in the writeback code which can cause the kernel to never write out
ext2 indirect blocks. Complete bastard of a thing it was, too.

I'll send out the fix shortly.
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