[release-notes] adding bcache blurb and references

[Pete Travis]

commit 52418044ba7b521855a21905aa53462f64cc3b0d
Author: Pete Travis <immanetize at fedoraproject.org>
Date:   Fri Oct 18 19:32:48 2013 -0600

    adding bcache blurb and references

 en-US/File_Systems.xml |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)
---
diff --git a/en-US/File_Systems.xml b/en-US/File_Systems.xml
index b89f0b8..562d23a 100644
--- a/en-US/File_Systems.xml
+++ b/en-US/File_Systems.xml
@@ -7,6 +7,27 @@
 <section>
   <title>File Systems</title>
   <para />
+  <section id="filesystems-bcache">
+    <title>SSD caching for filesystems</title>
+    <indexterm>
+      <primary>bcache</primary>
+    </indexterm>
+    <indexterm>
+      <primary>SSD Caching</primary>
+      <see>bcache</see>
+    </indexterm>
+    <para>
+      Fedora 20 offers experimental support for adding solid state drives as fast, transparent caches to traditional rotating storage to providing both speed and volume on a single filesystem.
+    </para>
+    <para>
+      Learn more about this functionality, called <firstterm>bcache</firstterm>, from:
+      <ulink url="https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/plain/Documentation/bcache.txt" />
+      <ulink url="http://forums.gentoo.org/viewtopic-t-959542.html" />
+      <ulink url="http://blog.kylemanna.com/linux/2013/06/30/ssd-caching-using-dmcache-tutorial/" />
+      <ulink url="https://fedoraproject.org/wiki/Test_Day:2013-10-13_SSD_Cache" />
+    </para>
+      
+    
 </section>