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Date:	Fri, 19 Sep 2014 11:48:47 +0200
From:	Richard Weinberger <richard@....at>
To:	dedekind1@...il.com
Cc:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Richard Weinberger <richard@....at>
Subject: [PATCH 2/2] UBI: Improve comment on work_sem

Make clear what work_sem really does.

Suggested-by: Artem Bityutskiy <dedekind1@...il.com>
Signed-off-by: Richard Weinberger <richard@....at>
---
 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 7bf4163..f2933df 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -439,7 +439,8 @@ 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
-- 
1.8.4.5

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