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| author | Scott Teel <scott.teel@hp.com> | 2014-02-18 13:57:00 -0600 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2014-03-15 10:19:07 -0700 |
| commit | da0697bd3075598f7990002dc46f208d722b6160 (patch) | |
| tree | 64682fc16ed80050cf60c4f116384cb649502e44 /block | |
| parent | 6b80b18fe51540baf7f0c76b7d68df02f69db58c (diff) | |
| download | lwn-da0697bd3075598f7990002dc46f208d722b6160.tar.gz lwn-da0697bd3075598f7990002dc46f208d722b6160.zip | |
[SCSI] hpsa: allow user to disable accelerated i/o path
Allow SSD Smart Path for a controller to be disabled by
the user, regardless of settings in controller firmware
or array configuration.
To disable: echo 0 > /sys/class/scsi_host/host<id>/acciopath_status
To re-enable: echo 1 > /sys/class/scsi_host/host<id>/acciopath_status
To check state: cat /sys/class/scsi_host/host<id>/acciopath_status
Signed-off-by: Scott Teel <scott.teel@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions