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@xxxxxxxxxx>
Fixes: 001fe6f617b1 ("writeback: make wakeup_dirtytime_writeback() handle multiple bdi_writeback's")
---
fs/fs-writeback.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 091a364..d0da306 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);
--
2.4.3
--
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