Re: [PATCH 0/7] Reduce filesystem writeback from page reclaim v3

Mel Gorman
2011-08-10T11:15:51Z

On Wed, Aug 10, 2011 at 07:00:56AM -0400, Christoph Hellwig wrote:
> On Wed, Aug 10, 2011 at 11:47:13AM +0100, Mel Gorman wrote:
> > o Dropped btrfs warning when filesystems are called from direct
> > reclaim. The fallback method for migration looks indistinguishable
> > from direct reclaim.
>
> The right fix is to simply remove that fallback, possibly in combination
> with implementating real migration support for btrfs.
>

Removing the fallback entirely is overkill as proper migration support
is not going to get 100% coverage but I agree that btrfs should have
real migration support. I didn't think it belonged in this series
though.

--
Mel Gorman
SUSE Labs