Re: [PATCH 1/8] mm: Kill set but not used var in bdi_debug_stats_show()

From: Jens Axboe
Date: Fri May 20 2011 - 15:23:15 EST


On 2011-05-20 21:12, Gustavo F. Padovan wrote:
> Signed-off-by: Gustavo F. Padovan <padovan@xxxxxxxxxxxxxx>
> ---
> 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++;

Good catch, nr_wb should have been killed with the removal of the worker
list. I'll queue this up.

--
Jens Axboe

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