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dm delay: document that offsets are specified in sectors

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Only delay params are mentioned in delay.txt.
Mention offsets just like documents for linear and flakey do.

Signed-off-by: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Tomohiro Kusumi 2015-10-28 04:38:56 +09:00 committed by Mike Snitzer
parent e213f33e4d
commit f49e869a61
2 changed files with 2 additions and 0 deletions
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1
Documentation/device-mapper/delay.txt
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@ -8,6 +8,7 @@ Parameters:
<device> <offset> <delay> [<write_device> <write_offset> <write_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

1
drivers/md/dm-delay.c
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@ -122,6 +122,7 @@ static void flush_expired_bios(struct work_struct *work)
* <device> <offset> <delay> [<write_device> <write_offset> <write_delay>]
*
* With separate write parameters, the first set is only used for reads.
* Offsets are specified in sectors.
* Delays are specified in milliseconds.
*/
static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)