From 69cb51d18c1ed593009d9a620cac49d0dcf15dc8 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Tue, 16 Oct 2007 23:25:48 -0700
Subject: mm: count writeback pages per BDI

Count per BDI writeback pages.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 include/linux/backing-dev.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/linux/backing-dev.h')

diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index bfae09d2a1eb..4d9222c2f222 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -28,6 +28,7 @@ typedef int (congested_fn)(void *, int);
 
 enum bdi_stat_item {
 	BDI_RECLAIMABLE,
+	BDI_WRITEBACK,
 	NR_BDI_STAT_ITEMS
 };
 
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