Commit 9ba4b2df authored by Jens Axboe's avatar Jens Axboe
Browse files

fs: kill 'nr_pages' argument from wakeup_flusher_threads() 



Everybody is passing in 0 now, let's get rid of the argument.

Reviewed-by: default avatarJan Kara <jack@suse.cz>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent bc48f001

fs/fs-writeback.c

+4 −5
Original line number Diff line number Diff line
@@ -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.
@@ -1960,7 +1960,6 @@ 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();



	rcu_read_lock();

fs/sync.c

+1 −1
Original line number Diff line number Diff line
@@ -108,7 +108,7 @@ SYSCALL_DEFINE0(sync) 
{

	int nowait = 0, wait = 1;



	wakeup_flusher_threads(0, WB_REASON_SYNC);

	wakeup_flusher_threads(WB_REASON_SYNC);

	iterate_supers(sync_inodes_one_sb, NULL);

	iterate_supers(sync_fs_one_sb, &nowait);

	iterate_supers(sync_fs_one_sb, &wait);

include/linux/writeback.h

+1 −1
Original line number Diff line number Diff line
@@ -189,7 +189,7 @@ bool try_to_writeback_inodes_sb(struct super_block *, enum wb_reason reason); 
bool try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr,

				   enum wb_reason reason);

void sync_inodes_sb(struct super_block *);

void wakeup_flusher_threads(long nr_pages, enum wb_reason reason);

void wakeup_flusher_threads(enum wb_reason reason);

void inode_wait_for_writeback(struct inode *inode);



/* writeback.h requires fs.h; it, too, is not included from here. */

mm/vmscan.c

+1 −1
Original line number Diff line number Diff line
@@ -1867,7 +1867,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, 
		 * also allow kswapd to start writing pages during reclaim.

		 */

		if (stat.nr_unqueued_dirty == nr_taken) {

			wakeup_flusher_threads(0, WB_REASON_VMSCAN);

			wakeup_flusher_threads(WB_REASON_VMSCAN);

			set_bit(PGDAT_DIRTY, &pgdat->flags);

		}