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writeback: remove unused bdi_pending_list 

There's no user left.  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Fengguang Wu <fengguang.wu@intel.com>
This commit is contained in:
Tejun Heo 2013-04-01 19:08:06 -07:00
parent 229641a6f1
commit 181387da2d
2 changed files with 1 additions and 4 deletions
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1
include/linux/backing-dev.h
View File

@ -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)
{

4
mm/backing-dev.c
View File

@ -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)
{