[PATCH 1/6] xfs: optimize AGFL refills

[Christoph Hellwig]

On Tue, Mar 22, 2011 at 05:30:51PM -0500, Alex Elder wrote:
> On Tue, 2011-03-22 at 15:55 -0400, Christoph Hellwig wrote:
> > Avoid forcing out busy extent when moving blocks from/to the AGFL.  We
> 
> Without thinking a bit about it, it wasn't clear why doing
> this was OK to do.  It would be nice to record a one-sentence
> justification of why we don't need to force busy extents out
> in this case.

I've added a sentence, but it seems rather pointless.

>  achieve this

fixed.

> > the callers that need it, and by moving the busy list insert from
> > xfs_free_ag_extent extent which is used both by AGFL refills and real
>                      ^^^^^ drop this word

fixed.