Re: Linux page cache doubt

[Christoph Hellwig <hch@xxxxxxxxxx>]

On Wed, Oct 24, 2001 at 05:36:41PM -0500, Steve Lord wrote:
> Hi Arun, well filesystem I/O is divided into two chunks - file data
> which is definitely page cache based, and metadata which is done through
> various means depending on:
> 
>       o which kernel you are running
>       o which filesystem
> 
> All filesystems that I am aware of except for XFS use buffer heads and the
> block cache for metadata I/O.

JFS uses the pagecache for all I/O - for metadata they have an additional
'metapage' abstraction.

        Christoph

-- 
Of course it doesn't work. We've performed a software upgrade.