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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2009-09-17 14:48:26 -0400
committerJens Axboe <jens.axboe@oracle.com>2009-10-01 15:15:44 -0400
commite272afecaf18912e971374df4605496975942e5c (patch)
treee3dbdedb51da5a48acf50b186ed12b43a614368c /Documentation/ABI/testing
parent3ff1111dc6e27524eeef267ab0ca9b5690594748 (diff)
cciss: Add usage_count attribute to each logical drive in /sys
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>
Diffstat (limited to 'Documentation/ABI/testing')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-pci-devices-cciss7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss b/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss
index 8d0260256168..4f29e5f1ebfa 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss
+++ b/Documentation/ABI/testing/sysfs-bus-pci-devices-cciss
@@ -52,3 +52,10 @@ Kernel Version: 2.6.31
52Contact: iss_storagedev@hp.com 52Contact: iss_storagedev@hp.com
53Description: Displays the RAID level of logical drive Y of 53Description: Displays the RAID level of logical drive Y of
54 controller X. 54 controller X.
55
56Where: /sys/bus/pci/devices/<dev>/ccissX/cXdY/usage_count
57Date: August 2009
58Kernel Version: 2.6.31
59Contact: iss_storagedev@hp.com
60Description: Displays the usage count (number of opens) of logical drive Y
61 of controller X.