fs/littlefs: Bump to v2.11.2 and update glue layer

This bumps littlefs repository to the latest v2.11.2 and improves and
cleans up glue layer.

New featues:
- add automatic detection of block size and block count from flash area
- add option to disable thread-safety
- add option to disable inlined files
- add option to enable littlefs traces

Author: andrzej-kaczmarek

fs/littlefs/include/littlefs/littlefs.h

@@ -0,0 +1,43 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef _LITTLEFS_LITTLEFS_H
+#define _LITTLEFS_LITTLEFS_H
+
+/**
+ * Formats littlefs filesystem
+ *
+ * @return FS_EOK on success
+ *         FS_* on error (translated from lfs error)
+ */
+int littlefs_format(void);
+
+/**
+ * Mounts littlefs filesystem
+ *
+ * This shall be called from application if auto-mount is disabled before
+ * file system can be accessed.
+ *
+ * @return FS_EOK on success
+ *         FS_* on error (translated from lfs error)
+ */
+int littlefs_mount(void);
+
+#endif /* _LITTLEFS_LITTLEFS_H */
+

fs/littlefs/pkg.yml

@@ -18,7 +18,7 @@
 #
 
 pkg.name: fs/littlefs
-pkg.description: LittleFS file system.
+pkg.description: littlefs file system glue
 pkg.author: "Apache Mynewt <[email protected]>"
 pkg.homepage: "http://mynewt.apache.org/"
 pkg.keywords:
@@ -30,7 +30,7 @@ pkg.type: sdk
 
 repository.littlefs:
     type: github
-    vers: v2.5.0-commit
+    vers: v2.11.2-commit
     branch: master
     user: littlefs-project
     repo: littlefs
@@ -44,15 +44,21 @@ pkg.deps:
 pkg.source_dirs:
     - "@littlefs/."
     - "src"
-
 pkg.include_dirs:
     - "@littlefs/."
-
-pkg.cflags.LITTLEFS_MIGRATE_V1:
-    - -DLFS_MIGRATE
+pkg.ignore_dirs:
+    - "bd"
+    - "benches"
+    - "runners"
+    - "scripts"
+    - "tests"
 
 pkg.cflags.LITTLEFS_READONLY:
     - -DLFS_READONLY
+pkg.cflags.LITTLEFS_THREAD_SAFE:
+    - -DLFS_THREADSAFE
+pkg.cflags.LITTLEFS_ENABLE_TRACE:
+    - -DLFS_YES_TRACE
 
 pkg.init:
-    littlefs_pkg_init: 'MYNEWT_VAL(LITTLEFS_SYSINIT_STAGE)'
+    littlefs_sysinit: 'MYNEWT_VAL(LITTLEFS_SYSINIT_STAGE)'