1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 67473849f20e..9913f0676643 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1419,6 +1419,11 @@ and is between 256 and 4096 characters. It is defined in the file
 
         scsi_logging=   [SCSI]
 
+        scsi_mod.scan=  [SCSI] sync (default) scans SCSI busses as they are
+                        discovered.  async scans them in kernel threads,
+                        allowing boot to proceed.  none ignores them, expecting
+                        user space to do the scan.
+
         selinux         [SELINUX] Disable or enable SELinux at boot time.
                         Format: { "0" | "1" }
                         See security/selinux/Kconfig help text.