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Diffstat (limited to 'Documentation/device-mapper/delay.txt')
| -rw-r--r-- | Documentation/device-mapper/delay.txt | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/Documentation/device-mapper/delay.txt b/Documentation/device-mapper/delay.txt deleted file mode 100644 index 6426c45273cb..000000000000 --- a/Documentation/device-mapper/delay.txt +++ /dev/null @@ -1,28 +0,0 @@ -dm-delay -======== - -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> - [<flush_device> <flush_offset> <flush_delay>]] - -With separate write parameters, the first set is only used for reads. -Offsets are specified in sectors. -Delays are specified in milliseconds. - -Example scripts -=============== -[[ -#!/bin/sh -# Create device delaying rw operation for 500ms -echo "0 `blockdev --getsz $1` delay $1 0 500" | dmsetup create delayed -]] - -[[ -#!/bin/sh -# Create device delaying only write operation for 500ms and -# splitting reads and writes to different devices $1 $2 -echo "0 `blockdev --getsz $1` delay $1 0 0 $2 0 500" | dmsetup create delayed -]] |