bcache-tools: probe-bcache.8 man page

Hi Kent,

please find a little patch (attached) to introduce probe-bcache.8 man page to
bcache-tools.

Thank you.

Cheers,
Dmitry.

From 0ff7680042622e356516739936095cb4eab02de6 Mon Sep 17 00:00:00 2001
From: Dmitry Smirnov <onlyjob@member.fsf.org>
Date: Thu, 16 Feb 2012 13:23:00 +1100
Subject: [PATCH] added probe-bcache.8 man page

Makefile

@@ -9,7 +9,7 @@ install: make-bcache probe-bcache
 	install -m0755 probe-bcache $(DESTDIR)/sbin/
 	install -m0644 61-bcache.rules $(DESTDIR)/lib/udev/rules.d/
 	install -m0755 initramfs $(DESTDIR)/usr/share/initramfs-tools/hooks/bcache
-	install -m0644 make-bcache.8 $(DESTDIR)${PREFIX}/share/man/man8
+	install -m0644 *.8 $(DESTDIR)${PREFIX}/share/man/man8
 #	install -m0755 bcache-test $(DESTDIR)${PREFIX}/sbin/
 
 clean:

probe-bcache.8

@@ -0,0 +1,17 @@
+.TH probe-bcache 8
+.SH NAME
+probe-bcache \- probe a bcache device
+.SH SYNOPSIS
+.B probe-bcache
+[\fB \-o\ \fIudev\fR ]
+.I device
+.SH OPTIONS
+.TP
+.BR \-o
+return UUID in udev style for invocation by udev rule as IMPORT{program}
+.SH USAGE
+Return UUID if device identified as bcache-formatted.
+
+Only necessary until support for the bcache superblock is included
+in blkid; in the meantime, provides just enough functionality for a udev script
+to create the /dev/disk/by-uuid symlink.