[PATCH 02/62] UBI: Improve comment on work_sem

[Teresa Remmet]

From: Richard Weinberger <richard at nod.at>

Make clear what work_sem really does.

Suggested-by: Artem Bityutskiy <dedekind1 at gmail.com>
Signed-off-by: Richard Weinberger <richard at nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy at linux.intel.com>
---
 drivers/mtd/ubi/ubi.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 471d784..51a0112 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -428,7 +428,8 @@ struct ubi_debug_info {
  *	     @move_to, @move_to_put @erase_pending, @wl_scheduled, @works,
  *	     @erroneous, and @erroneous_peb_count fields
  * @move_mutex: serializes eraseblock moves
- * @work_sem: synchronizes the WL worker with use tasks
+ * @work_sem: used to wait for all the scheduled works to finish and prevent
+ * new works from being submitted
  * @wl_scheduled: non-zero if the wear-leveling was scheduled
  * @lookuptbl: a table to quickly find a &struct ubi_wl_entry object for any
  *             physical eraseblock
-- 
1.9.1