Added no messages option to blkparse.c

[blktrace.git] / doc / blkparse.1

diff --git a/doc/blkparse.1 b/doc/blkparse.1
index e97581cae08018d085615b9e44f25233cc1a70dc..fde29d02f7b81d6a73dc3df3afcb490456c599cd 100644 (file)
--- a/doc/blkparse.1
+++ b/doc/blkparse.1
@@ -101,6 +101,15 @@ action specifiers described in ACTION IDENTIFIERS.
 Print missing entries
 .RE
 
+\-M
+.br
+\-\-no-msgs
+.RS
+When \-d is specified, this will stop messages from being output to the
+file. (Can seriously reduce the size of the resultant file when using
+the CFQ I/O scheduler.)
+.RE
+
 \-h
 .br
 \-\-hash\-by\-name