UBIFS: switch to I/O helpers

Switch the rest of direct UBI calls to UBIFS helper functions.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/recovery.c b/fs/ubifs/recovery.c
index f28070c..51bcf42 100644
--- a/fs/ubifs/recovery.c
+++ b/fs/ubifs/recovery.c
@@ -213,10 +213,10 @@
 	mst->flags |= cpu_to_le32(UBIFS_MST_RCVRY);
 
 	ubifs_prepare_node(c, mst, UBIFS_MST_NODE_SZ, 1);
-	err = ubi_leb_change(c->ubi, lnum, mst, sz, UBI_SHORTTERM);
+	err = ubifs_leb_change(c, lnum, mst, sz, UBI_SHORTTERM);
 	if (err)
 		goto out;
-	err = ubi_leb_change(c->ubi, lnum + 1, mst, sz, UBI_SHORTTERM);
+	err = ubifs_leb_change(c, lnum + 1, mst, sz, UBI_SHORTTERM);
 	if (err)
 		goto out;
 out:
@@ -554,8 +554,8 @@
 					ubifs_pad(c, buf, pad_len);
 				}
 			}
-			err = ubi_leb_change(c->ubi, lnum, sleb->buf, len,
-					     UBI_UNKNOWN);
+			err = ubifs_leb_change(c, lnum, sleb->buf, len,
+					       UBI_UNKNOWN);
 			if (err)
 				return err;
 		}
@@ -939,7 +939,7 @@
 		err = ubifs_leb_read(c, lnum, sbuf, 0, offs, 1);
 		if (err)
 			return err;
-		return ubi_leb_change(c->ubi, lnum, sbuf, offs, UBI_UNKNOWN);
+		return ubifs_leb_change(c, lnum, sbuf, offs, UBI_UNKNOWN);
 	}
 
 	return 0;
@@ -1069,7 +1069,7 @@
 	}
 
 	/* Write back the LEB atomically */
-	err = ubi_leb_change(c->ubi, lnum, sbuf, len, UBI_UNKNOWN);
+	err = ubifs_leb_change(c, lnum, sbuf, len, UBI_UNKNOWN);
 	if (err)
 		return err;
 
@@ -1470,7 +1470,7 @@
 		len -= 1;
 	len = ALIGN(len + 1, c->min_io_size);
 	/* Atomically write the fixed LEB back again */
-	err = ubi_leb_change(c->ubi, lnum, c->sbuf, len, UBI_UNKNOWN);
+	err = ubifs_leb_change(c, lnum, c->sbuf, len, UBI_UNKNOWN);
 	if (err)
 		goto out;
 	dbg_rcvry("inode %lu at %d:%d size %lld -> %lld",