On Wed, Nov 18, 2009 at 04:26:55PM +0800, Wu Fengguang wrote:
> No one is calling wb_writeback and write_cache_pages with
> wbc.nonblocking=1 any more. And lumpy pageout will want to do
> nonblocking writeback without the congestion wait.
....
> --- linux.orig/fs/xfs/linux-2.6/xfs_aops.c 2009-11-06 09:22:35.000000000 +0800
> +++ linux/fs/xfs/linux-2.6/xfs_aops.c 2009-11-06 09:52:21.000000000 +0800
> @@ -908,12 +908,8 @@ xfs_convert_page(
>
> bdi = inode->i_mapping->backing_dev_info;
> wbc->nr_to_write--;
> - if (bdi_write_congested(bdi)) {
> - wbc->encountered_congestion = 1;
bdi is unused now, so can be removed as well. Otherwise looks fine.
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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