Open segment file before using it

logfs_recover_sb() needs it open.
Signed-off-by: NJoern Engel <joern@logfs.org>

fs/logfs/super.c

@@ -289,6 +289,10 @@ static int logfs_make_writeable(struct super_block *sb)
 {
 	int err;
 
+	err = logfs_open_segfile(sb);
+	if (err)
+		return err;
+
 	/* Repair any broken superblock copies */
 	err = logfs_recover_sb(sb);
 	if (err)
@@ -299,10 +303,6 @@ static int logfs_make_writeable(struct super_block *sb)
 	if (err)
 		return err;
 
-	err = logfs_open_segfile(sb);
-	if (err)
-		return err;
-
 	/* Do one GC pass before any data gets dirtied */
 	logfs_gc_pass(sb);