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cciss: Add usage_count attribute to each logical drive in /sys

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Add usage_count attribute to each logical drive at
/sys/devices/<dev>/ccissX/cXdY/usage_count for controller X,
logical drive Y.  The usage count is the number of times
the device has currently been opened.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Stephen M. Cameron
2009-09-17 13:48:26 -05:00
committed by Jens Axboe
parent 3ff1111dc6
commit e272afecaf
2 changed files with 27 additions and 0 deletions
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7
Documentation/ABI/testing/sysfs-bus-pci-devices-cciss
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@@ -52,3 +52,10 @@ Kernel Version: 2.6.31
Contact: iss_storagedev@hp.com
Description: Displays the RAID level of logical drive Y of
controller X.
Where: /sys/bus/pci/devices/<dev>/ccissX/cXdY/usage_count
Date: August 2009
Kernel Version: 2.6.31
Contact: iss_storagedev@hp.com
Description: Displays the usage count (number of opens) of logical drive Y
of controller X.