[SCSI] qla2xxx: Add support for extended error logging.

Similar in form to QLogic's standard offering -- via
the 'extended_error_logging' module parameter.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index fedf2f17808d..a15b60908133 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -61,6 +61,12 @@ MODULE_PARM_DESC(ql2xallocfwdump,
                 "during HBA initialization.  Memory allocation requirements "
                 "vary by ISP type.  Default is 1 - allocate memory.");
 
+int extended_error_logging;
+module_param(extended_error_logging, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(extended_error_logging,
+                "Option to enable extended error logging, "
+                "Default is 0 - no logging. 1 - log errors.");
+
 static void qla2x00_free_device(scsi_qla_host_t *);
 
 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
@@ -2691,9 +2697,9 @@ qla2x00_module_init(void)
 
         /* Derive version string. */
         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
-#if DEBUG_QLA2100
-        strcat(qla2x00_version_str, "-debug");
-#endif
+        if (extended_error_logging)
+                strcat(qla2x00_version_str, "-debug");
+
         qla2xxx_transport_template =
             fc_attach_transport(&qla2xxx_transport_functions);
         if (!qla2xxx_transport_template)