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-rw-r--r--drivers/s390/scsi/zfcp_dbf.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index e1a8cc2526e7..132a905b6bdb 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -3,7 +3,7 @@
*
* Debug traces for zfcp.
*
- * Copyright IBM Corp. 2002, 2010
+ * Copyright IBM Corp. 2002, 2013
*/
#define KMSG_COMPONENT "zfcp"
@@ -23,6 +23,13 @@ module_param(dbfsize, uint, 0400);
MODULE_PARM_DESC(dbfsize,
"number of pages for each debug feature area (default 4)");
+static u32 dbflevel = 3;
+
+module_param(dbflevel, uint, 0400);
+MODULE_PARM_DESC(dbflevel,
+ "log level for each debug feature area "
+ "(default 3, range 0..6)");
+
static inline unsigned int zfcp_dbf_plen(unsigned int offset)
{
return sizeof(struct zfcp_dbf_pay) + offset - ZFCP_DBF_PAY_MAX_REC;
@@ -447,7 +454,7 @@ static debug_info_t *zfcp_dbf_reg(const char *name, int size, int rec_size)
return NULL;
debug_register_view(d, &debug_hex_ascii_view);
- debug_set_level(d, 3);
+ debug_set_level(d, dbflevel);
return d;
}