[PATCH v7 3/6] mm/writeback: commit reason of WB_REASON_FORKER_THREAD mismatch name

From: Wanpeng Li
Date: Thu Jun 20 2013 - 21:25:43 EST

v4 -> v5:
* indent the comment

After commit 839a8e86("writeback: replace custom worker pool implementation
with unbound workqueue"), there is no bdi forker thread any more. However,
WB_REASON_FORKER_THREAD is still used due to it is TPs userland visible
and we won't be exposing exactly the same information with just a different

Reviewed-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
include/linux/writeback.h | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 8b5cec4..703a48a 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -47,6 +47,12 @@ enum wb_reason {
+ /*
+ * There is no bdi forker thread any more and works are done
+ * by emergency worker, however, this is TPs userland visible
+ * and we'll be exposing exactly the same information,
+ * so it has a mismatch name.
+ */


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/