[SCSI] boot options: correct option name and tell where to find docs for it

Minor corrections and additions to 'scsi_logging_level', as pointed out
by Chuck Ebbert.
Also point out the IBM S390-tools 'scsi_logging_level' script.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c417877..99938b8 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1593,7 +1593,13 @@ and is between 256 and 4096 characters. It is defined in the file
                        Format: <vendor>:<model>:<flags>
                        (flags are integer value)
 
-       scsi_logging=   [SCSI]
+       scsi_logging_level=     [SCSI] a bit mask of logging levels
+                       See drivers/scsi/scsi_logging.h for bits.  Also
+                       settable via sysctl at dev.scsi.logging_level
+                       (/proc/sys/dev/scsi/logging_level).
+                       There is also a nice 'scsi_logging_level' script in the
+                       S390-tools package, available for download at
+                       http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html
 
        scsi_mod.scan=  [SCSI] sync (default) scans SCSI busses as they are
                        discovered.  async scans them in kernel threads,