On Mon, 28 Jul 2008 19:00:32 -0400 Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > On Mon, Jul 28, 2008 at 03:46:36PM -0700, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > > From: Hisashi Hifumi <hifumi.hisashi@xxxxxxxxxxxxx> > > > > When we read some part of a file through pagecache, if there is a > > pagecache of corresponding index but this page is not uptodate, read IO is > > issued and this page will be uptodate. > > I was under the impression we wanted to do this in a nicer way than > the hacky method? The only description I've seen of "a nicer way" is vague two-word descriptions of "changing readpage". Or something. No indication of what those changes are, nor who will implement them nor when. That just isn't solid enough to block a change which has significant performance benefits. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html