[PATCH 12/12] bdi: use bdi_stat_sum() for more accurate debugfs stats

[Wu Fengguang]

CC: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Wu Fengguang <fengguang.wu@xxxxxxxxx>
---
 mm/backing-dev.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- linux.orig/mm/backing-dev.c	2009-11-18 16:25:28.000000000 +0800
+++ linux/mm/backing-dev.c	2009-11-18 16:26:10.000000000 +0800
@@ -104,8 +104,8 @@ static int bdi_debug_stats_show(struct s
 		   "wb_mask:          %8lx\n"
 		   "wb_list:          %8u\n"
 		   "wb_cnt:           %8u\n",
-		   (unsigned long) K(bdi_stat(bdi, BDI_WRITEBACK)),
-		   (unsigned long) K(bdi_stat(bdi, BDI_RECLAIMABLE)),
+		   (unsigned long) K(bdi_stat_sum(bdi, BDI_WRITEBACK)),
+		   (unsigned long) K(bdi_stat_sum(bdi, BDI_RECLAIMABLE)),
 		   K(bdi_thresh), K(dirty_thresh),
 		   K(background_thresh), nr_wb, nr_dirty, nr_io, nr_more_io,
 		   !list_empty(&bdi->bdi_list), bdi->state, bdi->wb_mask,


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