Documentation: move nfsroot.txt to filesystems/

Documentation/ is a little large, and filesystems/ seems an obvious
place for this file.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index fc8e7c7..08a39cd 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -271,8 +271,6 @@
 	- directory with information on the NetLabel subsystem.
 networking/
 	- directory with info on various aspects of networking with Linux.
-nfsroot.txt
-	- short guide on setting up a diskless box with NFS root filesystem.
 nmi_watchdog.txt
 	- info on NMI watchdog for SMP systems.
 nommu-mmap.txt
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index e731196..2ec174c 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -66,6 +66,8 @@
 	- info on the Linux implementation of Sys V mandatory file locking.
 ncpfs.txt
 	- info on Novell Netware(tm) filesystem using NCP protocol.
+nfsroot.txt
+	- short guide on setting up a diskless box with NFS root filesystem.
 ntfs.txt
 	- info and mount options for the NTFS filesystem (Windows NT).
 ocfs2.txt
diff --git a/Documentation/nfsroot.txt b/Documentation/filesystems/nfsroot.txt
similarity index 100%
rename from Documentation/nfsroot.txt
rename to Documentation/filesystems/nfsroot.txt
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 508e2a2..57709e4 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -845,7 +845,7 @@
 			arch/alpha/kernel/core_marvel.c.
 
 	ip=		[IP_PNP]
-			See Documentation/nfsroot.txt.
+			See Documentation/filesystems/nfsroot.txt.
 
 	ip2=		[HW] Set IO/IRQ pairs for up to 4 IntelliPort boards
 			See comment before ip2_setup() in
@@ -1199,10 +1199,10 @@
 			file if at all.
 
 	nfsaddrs=	[NFS]
-			See Documentation/nfsroot.txt.
+			See Documentation/filesystems/nfsroot.txt.
 
 	nfsroot=	[NFS] nfs root filesystem for disk-less boxes.
-			See Documentation/nfsroot.txt.
+			See Documentation/filesystems/nfsroot.txt.
 
 	nfs.callback_tcpport=
 			[NFS] set the TCP port on which the NFSv4 callback