fs: kill 'nr_pages' argument from wakeup_flusher_threads()
Everybody is passing in 0 now, let's get rid of the argument.
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 245c430..bb6148d 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1947,12 +1947,12 @@ void wb_workfn(struct work_struct *work)
}
/*
- * Start writeback of `nr_pages' pages. If `nr_pages' is zero, write back
- * the whole world.
+ * Wakeup the flusher threads to start writeback of all currently dirty pages
*/
-void wakeup_flusher_threads(long nr_pages, enum wb_reason reason)
+void wakeup_flusher_threads(enum wb_reason reason)
{
struct backing_dev_info *bdi;
+ long nr_pages;
/*
* If we are expecting writeback progress we must submit plugged IO.
@@ -1960,8 +1960,7 @@ void wakeup_flusher_threads(long nr_pages, enum wb_reason reason)
if (blk_needs_flush_plug(current))
blk_schedule_flush_plug(current);
- if (!nr_pages)
- nr_pages = get_nr_dirty_pages();
+ nr_pages = get_nr_dirty_pages();
rcu_read_lock();
list_for_each_entry_rcu(bdi, &bdi_list, bdi_list) {