commit 123005f3ccfa58637ad6e1a8b9f7f3f861ca65f4
author Andres Salomon <dilinger@queued.net> Sun Oct 16 18:15:23 2011 -0700
committer Artem Bityutskiy <artem.bityutskiy@intel.com> Wed Oct 19 17:22:21 2011 +0300
tree a9bd8a539d9c950f47514a5f94f65c25c09e3b6c
parent 92abc475d8de1c29373f6d96ed63d8ecaa199d25

jffs2: add compr=lzo and compr=zlib options

..to allow forcing of either compression scheme.  This will override
compiled-in defaults.  jffs2_compress is reworked a bit, as the lzo/zlib
override shares lots of code w/ the PRIORITY mode.

v2: update show_options accordingly.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>

fs/jffs2/compr.h

diff --git a/fs/jffs2/compr.h b/fs/jffs2/compr.h
index 13bb759..5e91d57 100644
--- a/fs/jffs2/compr.h
+++ b/fs/jffs2/compr.h
@@ -40,6 +40,8 @@
 #define JFFS2_COMPR_MODE_PRIORITY   1
 #define JFFS2_COMPR_MODE_SIZE       2
 #define JFFS2_COMPR_MODE_FAVOURLZO  3
+#define JFFS2_COMPR_MODE_FORCELZO   4
+#define JFFS2_COMPR_MODE_FORCEZLIB  5
 
 #define FAVOUR_LZO_PERCENT 80