[PATCH 1/8] xfs: use per-filesystem I/O completion workqueues

[Dave Chinner]

On Mon, Feb 20, 2012 at 07:38:25PM -0500, Christoph Hellwig wrote:
> The new concurrency managed workqueues are cheap enough that we can create
> per-filesystem instead of global workqueues.  This allows us to remove the
> trylock or defer scheme on the ilock, which is not helpful once we have
> outstanding log reservations until finishing a size update.
> 
> Also allow the default concurrency on this workqueues so that I/O completions
> blocking on the ilock for one inode do not block process for another inode.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Looks good.

Reviewed-by: Dave Chinner <dchinner at redhat.com>
-- 
Dave Chinner
david at fromorbit.com