[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)
commitc9615858a81d2424c78b10a2f689ba24b156937c
tree34af50eaeb958a95d13b4f1b6ec9da7ea89f7024
parent688864e29869a71a8183e4e2f96ccf9f2de1375f
[SCSI] zfcp: Track fabric and channel latencies provided by FCP adapter

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>
drivers/s390/scsi/zfcp_aux.c
drivers/s390/scsi/zfcp_def.h
drivers/s390/scsi/zfcp_fsf.c
drivers/s390/scsi/zfcp_fsf.h