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-rw-r--r--Documentation/iostats.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/iostats.txt b/Documentation/iostats.txt
index c76c21d87e85..65f694f2d1c9 100644
--- a/Documentation/iostats.txt
+++ b/Documentation/iostats.txt
@@ -71,6 +71,8 @@ Field 4 -- # of milliseconds spent reading
measured from __make_request() to end_that_request_last()).
Field 5 -- # of writes completed
This is the total number of writes completed successfully.
+Field 6 -- # of writes merged
+ See the description of field 2.
Field 7 -- # of sectors written
This is the total number of sectors written successfully.
Field 8 -- # of milliseconds spent writing