Re: 2.6.0test9 Reiserfs boot time "buffer layer error at fs/buffer.c:431"
From: Herbert Xu (herbert_at_gondor.apana.org.au)
Date: 11/02/03
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To: akpm@osdl.org (Andrew Morton), Oleg Drokin <green@linuxhacker.ru>, linux-kernel@vger.kernel.org Date: Sun, 02 Nov 2003 18:17:27 +1100
Andrew Morton <akpm@osdl.org> wrote:
>
>> (These buffers are there because reiserfs first reads that offset (in bytes)
>> with whatever current blocksize is, except they should have been invalidated of
>> course).
>> Even if invalidate_bdev() -> invalidate_inode_pages() have not cleaned
>> everything, truncate_inode_pages() should have done this.
>
> yup.
The person who had the problem is actually using the Debian tree which
carried over a patch from 2.4 that removed the truncate_inode_pages
call in set_blocksize. So I appologise for the noise.
However, may I ask what is preventing us from achieving the goal that
the page cache backed buffer heads can be resized without throwing away
the pages?
In particular, aside from the buffer_error() call, is there any problems
with not throwing the pages away upon a resize?
Cheers,
-- Debian GNU/Linux 3.0 is out! ( http://www.debian.org/ ) Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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