Hi,
On Thu, 12 Apr 2007, Christoph Hellwig wrote:
> On Wed, Apr 11, 2007 at 07:49:38PM -0700, Nate Diller wrote:
> > read_mapping_page_async() is going away, so convert its only user to
> > read_mapping_page(). This change has not been benchmarked, however, in
> > order to get real parallelism this wants something completely different,
> > like __do_page_cache_readahead(), which is not currently exported.
>
> Why is read_mapping_page_async going away? This probably needs a lot more
> testing, and I'd be much happier if you split it out of the series and
> sent it separately at the end.
That function wasn't fully async anyway, as it would often sleep in
lock_page(). AFAICT only in the special case of a partial written page
would this function return a not yet uptodate page.
bye, Roman
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