[JFFS2] Add LZO compression support.
Add LZO1X compression/decompression support to jffs2.
LZO's interface doesn't entirely match that required by jffs2 so a
buffer and memcpy is unavoidable.
Signed-off-by: Richard Purdie <rpurdie@openedhand.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/compr.c b/fs/jffs2/compr.c
index d90ca05..bcc28d2 100644
--- a/fs/jffs2/compr.c
+++ b/fs/jffs2/compr.c
@@ -286,6 +286,9 @@
jffs2_rubinmips_init();
jffs2_dynrubin_init();
#endif
+#ifdef CONFIG_JFFS2_LZO
+ jffs2_lzo_init();
+#endif
/* Setting default compression mode */
#ifdef CONFIG_JFFS2_CMODE_NONE
jffs2_compression_mode = JFFS2_COMPR_MODE_NONE;
@@ -304,6 +307,9 @@
int jffs2_compressors_exit(void)
{
/* Unregistering compressors */
+#ifdef CONFIG_JFFS2_LZO
+ jffs2_lzo_exit();
+#endif
#ifdef CONFIG_JFFS2_RUBIN
jffs2_dynrubin_exit();
jffs2_rubinmips_exit();