[PATCH] Delete unused variable no_wb.

[Luca Tettamanti <kronos.it@gmail.com>]

The number of writeback threads was removed from the output by c1955ce3.

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
---
 mm/backing-dev.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index befc875..f032e6e 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -63,10 +63,10 @@ static int bdi_debug_stats_show(struct seq_file *m, void *v)
 	unsigned long background_thresh;
 	unsigned long dirty_thresh;
 	unsigned long bdi_thresh;
-	unsigned long nr_dirty, nr_io, nr_more_io, nr_wb;
+	unsigned long nr_dirty, nr_io, nr_more_io;
 	struct inode *inode;
 
-	nr_wb = nr_dirty = nr_io = nr_more_io = 0;
+	nr_dirty = nr_io = nr_more_io = 0;
 	spin_lock(&inode_wb_list_lock);
 	list_for_each_entry(inode, &wb->b_dirty, i_wb_list)
 		nr_dirty++;
-- 
1.7.5.1

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