Use LFS_DEFINES if available

boards/arm/stm32h7/linum-stm32h753bi/configs/littlefs/defconfig

@@ -30,7 +30,7 @@ CONFIG_EXAMPLES_ALARM=y
 CONFIG_EXAMPLES_ALARM_STACKSIZE=2048
 CONFIG_FS_LITTLEFS=y
 CONFIG_FS_LITTLEFS_MULTI_VERSION=y
-CONFIG_FS_LITTLEFS_VERSION="v2.9.3"
+CONFIG_FS_LITTLEFS_VERSION="v2.10.0"
 CONFIG_INIT_ENTRYPOINT="nsh_main"
 CONFIG_INTELHEX_BINARY=y
 CONFIG_LIBM=y

boards/xtensa/esp32s3/esp32s3-devkit/configs/toywasm/defconfig

@@ -36,7 +36,7 @@ CONFIG_EXAMPLES_RANDOM=y
 CONFIG_FS_LARGEFILE=y
 CONFIG_FS_LITTLEFS=y
 CONFIG_FS_LITTLEFS_MULTI_VERSION=y
-CONFIG_FS_LITTLEFS_VERSION="v2.9.3"
+CONFIG_FS_LITTLEFS_VERSION="v2.10.0"
 CONFIG_FS_PROCFS=y
 CONFIG_HOST_MACOS=y
 CONFIG_IDLETHREAD_STACKSIZE=3072

fs/littlefs/CMakeLists.txt

@@ -51,16 +51,18 @@ if(CONFIG_FS_LITTLEFS)
 
   target_compile_definitions(
     fs
-    PRIVATE -DLFS_TRACE=finfo
-            -DLFS_DEBUG=finfo
-            -DLFS_WARN=fwarn
-            -DLFS_ERROR=ferr
-            -DLFS_ASSERT=DEBUGASSERT
-            -DLFS_CONFIG=${CMAKE_CURRENT_LIST_DIR}/lfs_vfs.h
-            -DLFS_NAME_MAX=${CONFIG_FS_LITTLEFS_NAME_MAX}
-            -DLFS_FILE_MAX=${CONFIG_FS_LITTLEFS_FILE_MAX}
-            -DLFS_ATTR_MAX=${CONFIG_FS_LITTLEFS_ATTR_MAX}
-            $<$<BOOL:${CONFIG_FS_LITTLEFS_MULTI_VERSION}>:-DLFS_MULTIVERSION>)
+    PRIVATE
+      $<$<NOT:$<BOOL:${CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES}>>:-DLFS_TRACE=finfo>
+      $<$<NOT:$<BOOL:${CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES}>>:-DLFS_DEBUG=finfo>
+      $<$<NOT:$<BOOL:${CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES}>>:-DLFS_WARN=fwarn>
+      $<$<NOT:$<BOOL:${CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES}>>:-DLFS_ERROR=ferr>
+      $<$<NOT:$<BOOL:${CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES}>>:-DLFS_ASSERT=DEBUGASSERT>
+      $<$<NOT:$<BOOL:${CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES}>>:-DLFS_CONFIG=${CMAKE_CURRENT_LIST_DIR}/lfs_vfs.h>
+      $<$<BOOL:${CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES}>:-DLFS_DEFINES=${CMAKE_CURRENT_LIST_DIR}/lfs_nuttx_defines.h>
+      -DLFS_NAME_MAX=${CONFIG_FS_LITTLEFS_NAME_MAX}
+      -DLFS_FILE_MAX=${CONFIG_FS_LITTLEFS_FILE_MAX}
+      -DLFS_ATTR_MAX=${CONFIG_FS_LITTLEFS_ATTR_MAX}
+      $<$<BOOL:${CONFIG_FS_LITTLEFS_MULTI_VERSION}>:-DLFS_MULTIVERSION>)
 
   # Note: the littlefs upstream doesn't seems to care -Wshadow cf.
   # https://github.com/littlefs-project/littlefs/pull/873

fs/littlefs/Kconfig

@@ -129,6 +129,18 @@ config FS_LITTLEFS_LOCAL_PATCHES
 		patches for LITTLEFS.
 		This is NOT expected to be tweaked directly by users.
 
+config FS_LITTLEFS_HAS_LFS_DEFINES
+	bool "Use LFS_DEFINES (available for littlefs >=2.10.0)"
+	depends on !FS_LITTLEFS_LOCAL_PATCHES
+	default y
+	---help---
+		Set this y if you are using littlefs versions which supports
+		LFS_DEFINES. (that is, 2.10.0 and later)
+		Otherwise, set this n.
+
+		See the littlefs 2.10.0 release notes about what LFS_DEFINES is.
+		https://github.com/littlefs-project/littlefs/releases/tag/v2.10.0
+
 config FS_LITTLEFS_ATTR_UPDATE
 	bool "LITTLEFS update attributes"
 	depends on FS_LITTLEFS_ATTR_MAX > 0

fs/littlefs/Make.defs

@@ -41,12 +41,17 @@ VPATH += :littlefs/littlefs
 # cf. https://github.com/littlefs-project/littlefs/pull/873
 CFLAGS += -Wno-shadow
 
+ifeq ($(CONFIG_FS_LITTLEFS_HAS_LFS_DEFINES),y)
+CFLAGS += -DLFS_DEFINES=../lfs_nuttx_defines.h
+else
 CFLAGS += -DLFS_TRACE=finfo
 CFLAGS += -DLFS_DEBUG=finfo
 CFLAGS += -DLFS_WARN=fwarn
 CFLAGS += -DLFS_ERROR=ferr
 CFLAGS += -DLFS_ASSERT=DEBUGASSERT
 CFLAGS += -DLFS_CONFIG=../lfs_vfs.h
+endif
+
 CFLAGS += -DLFS_NAME_MAX=$(CONFIG_FS_LITTLEFS_NAME_MAX)
 CFLAGS += -DLFS_FILE_MAX=$(CONFIG_FS_LITTLEFS_FILE_MAX)
 CFLAGS += -DLFS_ATTR_MAX=$(CONFIG_FS_LITTLEFS_ATTR_MAX)

fs/littlefs/lfs_nuttx_defines.h

@@ -0,0 +1,43 @@
+/****************************************************************************
+ * fs/littlefs/lfs_nuttx_defines.h
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <debug.h>
+
+#include "fs_heap.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define LFS_TRACE finfo
+#define LFS_DEBUG finfo
+#define LFS_WARN fwarn
+#define LFS_ERROR ferr
+
+#define LFS_ASSERT DEBUGASSERT
+
+#define LFS_MALLOC(sz) fs_heap_malloc(sz)
+#define LFS_FREE(p) fs_heap_free(p)