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>
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 @@
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 @@
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)
{