svn commit: r289507 - stable/10/sys/boot/common

[Edward Tomasz Napierala]

Author: trasz
Date: Sun Oct 18 14:17:30 2015
New Revision: 289507
URL: https://svnweb.freebsd.org/changeset/base/289507

Log:
  MFC r285870:
  
  Document md_root in loader(8). The md(4) manual page mentions it,
  but it's hard to find and easy to miss.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  stable/10/sys/boot/common/loader.8
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/boot/common/loader.8
==============================================================================
--- stable/10/sys/boot/common/loader.8	Sun Oct 18 14:16:01 2015	(r289506)
+++ stable/10/sys/boot/common/loader.8	Sun Oct 18 14:17:30 2015	(r289507)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd December 22, 2014
+.Dd July 25, 2015
 .Dt LOADER 8
 .Os
 .Sh NAME
@@ -207,12 +207,18 @@ returns an error itself (see
 .Op Fl t Ar type
 .Ar file Cm ...
 .Xc
-Loads a kernel, kernel loadable module (kld), or file of opaque
-contents tagged as being of the type
+Loads a kernel, kernel loadable module (kld), disk image,
+or file of opaque contents tagged as being of the type
 .Ar type .
 Kernel and modules can be either in a.out or ELF format.
 Any arguments passed after the name of the file to be loaded
 will be passed as arguments to that file.
+Use the
+.Li md_image
+type to make the kernel create a file-backed
+.Xr md 4
+disk.
+This is useful for booting from a temporary rootfs.
 Currently, argument passing does not work for the kernel.
 .Pp
 .It Ic load_geli Xo