[CIFS] Add in some missing flags and cifs README and TODO corrections

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index a9b6bc5..b4d388d 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -8,7 +8,10 @@
 default uid and gid for files when they are certain that the uids or
 gids on the server do not match those of the client.  Make "sec=none"
 mount override username (so that null user connection is attempted)
-to match what documentation said.
+to match what documentation said. Support for very large reads, over 127K,
+available to some newer servers (such as Samba 3.0.26 and later but
+note that it also requires setting CIFSMaxBufSize at module install
+time to a larger value which may hurt performance in some cases).
 
 Version 1.48
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