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[SCSI] zfcp: Track fabric and channel latencies provided by FCP adapter
authorChristof Schmitt <christof.schmitt@de.ibm.com>
Tue, 6 May 2008 09:00:05 +0000 (11:00 +0200)
committerJames Bottomley <James.Bottomley@HansenPartnership.com>
Thu, 5 Jun 2008 14:23:42 +0000 (09:23 -0500)
Add the infrastructure to retrieve the fabric and channel latencies
from FSF commands for each SCSI command that has been processed. For
each unit, the sum, min, max and number of requests is tracked.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

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