[PATCH 13/16] xfs: batch inode reclaim lookup

[Alex Elder]

On Wed, 2010-09-22 at 16:44 +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> Batch and optimise the per-ag inode lookup for reclaim to minimise
> scanning overhead. This involves gang lookups on the radix trees to
> get multiple inodes during each tree walk, and tighter validation of
> what inodes can be reclaimed without blocking befor we take any
> locks.
> 
> This is based on ideas suggested in a proof-of-concept patch
> posted by Nick Piggin.

Looks good.

Reviewed-by: Alex Elder <aelder at sgi.com>

> Signed-off-by: Dave Chinner <dchinner at redhat.com>