JFFS2: add UBI support

This patch make JFFS2 able to work with UBI volumes via the emulated MTD
devices which are directly mapped to these volumes.

Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index abb90c0c09cc..8a649f602767 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -672,6 +672,13 @@ static int jffs2_flash_setup(struct jffs2_sb_info *c) {
                         return ret;
         }
 
+        /* and an UBI volume */
+        if (jffs2_ubivol(c)) {
+                ret = jffs2_ubivol_setup(c);
+                if (ret)
+                        return ret;
+        }
+
         return ret;
 }
 
@@ -690,4 +697,9 @@ void jffs2_flash_cleanup(struct jffs2_sb_info *c) {
         if (jffs2_nor_wbuf_flash(c)) {
                 jffs2_nor_wbuf_flash_cleanup(c);
         }
+
+        /* and an UBI volume */
+        if (jffs2_ubivol(c)) {
+                jffs2_ubivol_cleanup(c);
+        }
 }