From: Jens Axboe <axboe@kernel.dk>
Date: Wed, 27 Sep 2017 19:28:18 +0000 (-0600)
Subject: writeback: switch wakeup_flusher_threads() to cyclic writeback
X-Git-Tag: v4.15-rc1~128^2~225
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=d31cd9d326f216fca9a602dddac254f668f5dcd6;p=uclinux-h8%2Flinux.git

writeback: switch wakeup_flusher_threads() to cyclic writeback

We're writing back the full range of dirty pages on the devices,
there's no point in making this special and not do normal range
cyclic writeback.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index bb6148dc6d24..65e6992d8719 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1971,7 +1971,7 @@ void wakeup_flusher_threads(enum wb_reason reason)
 
 		list_for_each_entry_rcu(wb, &bdi->wb_list, bdi_node)
 			wb_start_writeback(wb, wb_split_bdi_pages(wb, nr_pages),
-					   false, reason);
+						true, reason);
 	}
 	rcu_read_unlock();
 }