[PATCH 02/28] xfs: re-enable non-blocking behaviour in xfs_map_blocks

[Dave Chinner]

On Thu, Jul 07, 2011 at 07:05:37AM -0400, Christoph Hellwig wrote:
> The non-blockig behaviour in xfs_vm_writepage currently is conditional on
> having both the WB_SYNC_NONE sync_mode and the nonblocking flag set.
> The latter used to be used by both pdflush, kswapd and a few other places
> in older kernels, but has been fading out starting with the introduction
> of the per-bdi flusher threads.
> 
> Enable the non-blocking behaviour for all WB_SYNC_NONE calls to get back
> the behaviour we want.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> Signed-off-by: Alex Elder <aelder at sgi.com>

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

-- 
Dave Chinner
david at fromorbit.com