[PATCH] cleanup: fix the comment for field num_discard_requests ofstruct dm_target

[Wang Sheng-Hui]

The patch is against 3.1-rc6

Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx>
---
 include/linux/device-mapper.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 3fa1f3d..a54aba2 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -182,7 +182,8 @@ struct dm_target {
 
 	/*
 	 * The number of discard requests that will be submitted to the
-	 * target.  map_info->request_nr is used just like num_flush_requests.
+	 * target. map_info->target_request_nr is used just like
+	 * num_flush_requests.
 	 */
 	unsigned num_discard_requests;
 
-- 
1.7.1

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