should readahead allow generic paths?
Alexander Larsson
alexl at redhat.com
Thu Oct 18 07:14:13 UTC 2007
On Fri, 2007-10-12 at 15:14 -0400, Dave Jones wrote:
> On Fri, Oct 12, 2007 at 09:34:05AM +0200, Alexander Larsson wrote:
>
> > Is there any chance we can use Jens Axboes "fcache"?
> > Info e.g. at:
> > http://en.opensuse.org/Fcache-howto
>
> That really needs to get into the upstream kernel before I'm comfortable
> enabling it in Fedora.
But nobody seems to be interested at all in it, not upstream, nor
everyone working on hacks like preload. I just think that is strange.
> ext3's block allocation policy seems a little.. suboptimal in some cases.
> It doesn't seem particularly difficult to end up with fragmented files,
> especially with large ones.
Maybe one could do the allocation manually for the fcache a file and
then mark the blocks so they won't be moved? This can be done at install
time and doesn't need generic extents support.
More information about the fedora-devel-list
mailing list