Re: [PATCH 2/4] writeback: remove unused bdi_pending_list

[Jan Kara <jack@suse.cz>]

On Thu 07-03-13 13:44:07, Tejun Heo wrote:
> There's no user left.  Remove it.
> 
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Cc: Jens Axboe <axboe@kernel.dk>
> Cc: Fengguang Wu <fengguang.wu@intel.com>
  Looks good. You can add
Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  include/linux/backing-dev.h | 1 -
>  mm/backing-dev.c            | 4 +---
>  2 files changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
> index 3504599..a5ef27f 100644
> --- a/include/linux/backing-dev.h
> +++ b/include/linux/backing-dev.h
> @@ -130,7 +130,6 @@ void bdi_lock_two(struct bdi_writeback *wb1, struct bdi_writeback *wb2);
>  
>  extern spinlock_t bdi_lock;
>  extern struct list_head bdi_list;
> -extern struct list_head bdi_pending_list;
>  
>  static inline int wb_has_dirty_io(struct bdi_writeback *wb)
>  {
> diff --git a/mm/backing-dev.c b/mm/backing-dev.c
> index 41733c5..657569b 100644
> --- a/mm/backing-dev.c
> +++ b/mm/backing-dev.c
> @@ -31,13 +31,11 @@ EXPORT_SYMBOL_GPL(noop_backing_dev_info);
>  static struct class *bdi_class;
>  
>  /*
> - * bdi_lock protects updates to bdi_list and bdi_pending_list, as well as
> - * reader side protection for bdi_pending_list. bdi_list has RCU reader side
> + * bdi_lock protects updates to bdi_list. bdi_list has RCU reader side
>   * locking.
>   */
>  DEFINE_SPINLOCK(bdi_lock);
>  LIST_HEAD(bdi_list);
> -LIST_HEAD(bdi_pending_list);
>  
>  void bdi_lock_two(struct bdi_writeback *wb1, struct bdi_writeback *wb2)
>  {
> -- 
> 1.8.1.4
> 
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-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR