storvsc: add logging for error/warning messages
authorLong Li <longli@microsoft.com>
Fri, 4 Dec 2015 08:07:24 +0000 (00:07 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 10 Dec 2015 17:59:25 +0000 (12:59 -0500)
commitf8aea701b77c26732f151aab4f0a70e62eb53d86
tree0924f828f6df555171fa03024f8be0d0fd07d0a1
parentc965853ab06b3e8a9d024d86730b373c333fc6f3
storvsc: add logging for error/warning messages

Introduce a logging level for storvsc to log certain error/warning
messages. Those messages are helpful in some environments,
e.g. Microsoft Azure, for customer support and troubleshooting purposes.

Signed-off-by: Long Li <longli@microsoft.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/storvsc_drv.c