Re: Tailmerging for Ext2

[Stephen C. Tweedie]

Hi,

On Wed, Jul 26, 2000 at 02:56:01PM -0400, Alexander Viro wrote:
> 
> Not. Data normally is in page. Buffer_heads are not included into buffer
> cache. They are refered from the struct page and their ->b_data just
> points to appropriate pieces of page. You can not get them via bread().
> At all. Buffer cache is only for metadata.

Only in the default usage.  There's no reason at all why we can't use
separate buffer and page cache aliases of the same data for tails as a
special case.

Cheers,
 Stephen