Messages in this thread Patch in this message | | | Date | Wed, 18 Nov 2009 16:26:55 +0800 | From | Wu Fengguang <> | Subject | [PATCH 07/12] writeback: remove unused nonblocking and congestion checks (xfs) |
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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.
CC: Dave Chinner <david@fromorbit.com> CC: Christoph Hellwig <hch@infradead.org> Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> --- fs/xfs/linux-2.6/xfs_aops.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
--- 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; + if (wbc->nr_to_write <= 0) done = 1; - } else if (wbc->nr_to_write <= 0) { - done = 1; - } } xfs_start_page_writeback(page, !page_dirty, count); }
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