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-rw-r--r--Documentation/device-mapper/delay.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/device-mapper/delay.txt b/Documentation/device-mapper/delay.txt
index 4b1d22a44ce4..6426c45273cb 100644
--- a/Documentation/device-mapper/delay.txt
+++ b/Documentation/device-mapper/delay.txt
@@ -5,7 +5,8 @@ Device-Mapper's "delay" target delays reads and/or writes
and maps them to different devices.
Parameters:
- <device> <offset> <delay> [<write_device> <write_offset> <write_delay>]
+ <device> <offset> <delay> [<write_device> <write_offset> <write_delay>
+ [<flush_device> <flush_offset> <flush_delay>]]
With separate write parameters, the first set is only used for reads.
Offsets are specified in sectors.
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