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 CC: Christoph Hellwig Signed-off-by: Wu Fengguang --- 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); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/