zfcp: trace on request for open and close of WKA port
authorSteffen Maier <maier@linux.vnet.ibm.com>
Wed, 10 Aug 2016 16:30:49 +0000 (18:30 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 23 Feb 2017 03:50:47 +0000 (03:50 +0000)
commitf45eeb527f667afd559b3dbdec5637c9268fbceb
tree0a0f5e493ff0e3a9c843ec1cfd7d94a879220ef1
parente7571eff51a4f28391236a92ff9d97eeb1f878cb
zfcp: trace on request for open and close of WKA port

commit d27a7cb91960cf1fdd11b10071e601828cbf4b1f upstream.

Since commit a54ca0f62f953898b05549391ac2a8a4dad6482b
("[SCSI] zfcp: Redesign of the debug tracing for HBA records.")
HBA records no longer contain WWPN, D_ID, or LUN
to reduce duplicate information which is already in REC records.
In contrast to "regular" target ports, we don't use recovery to open
WKA ports such as directory/nameserver, so we don't get REC records.
Therefore, introduce pseudo REC running records without any
actual recovery action but including D_ID of WKA port on open/close.

Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Fixes: a54ca0f62f95 ("[SCSI] zfcp: Redesign of the debug tracing for HBA records.")
Reviewed-by: Benjamin Block <bblock@linux.vnet.ibm.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/s390/scsi/zfcp_dbf.c
drivers/s390/scsi/zfcp_ext.h
drivers/s390/scsi/zfcp_fsf.c