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authorTejun Heo <tj@kernel.org>2015-09-29 12:47:51 -0400
committerJens Axboe <axboe@fb.com>2015-10-12 10:31:11 -0600
commit6fdf860f15d4a6be8f0947bad608d687fe0c7af7 (patch)
tree817c55df41afb26f6c0aaa98f3e9ce6952872c22 /fs
parent9ad18ab938375502c03cf467abecbb77264c9475 (diff)
downloadlinux-6fdf860f15d4a6be8f0947bad608d687fe0c7af7.tar.bz2
writeback: fix bdi_writeback iteration in wakeup_dirtytime_writeback()
wakeup_dirtytime_writeback() walks and wakes up all wb's of all bdi's; unfortunately, it was always waking up bdi->wb instead of the wb being walked. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Fixes: 001fe6f617b1 ("writeback: make wakeup_dirtytime_writeback() handle multiple bdi_writeback's") Reviewed-by: Jan Kara <jack@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/fs-writeback.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 091a36444972..d0da30668e98 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1897,8 +1897,8 @@ static void wakeup_dirtytime_writeback(struct work_struct *w)
struct wb_iter iter;
bdi_for_each_wb(wb, bdi, &iter, 0)
- if (!list_empty(&bdi->wb.b_dirty_time))
- wb_wakeup(&bdi->wb);
+ if (!list_empty(&wb->b_dirty_time))
+ wb_wakeup(wb);
}
rcu_read_unlock();
schedule_delayed_work(&dirtytime_work, dirtytime_expire_interval * HZ);