fs/: Remove support for CONFIG_FS_READABLE

fs/Kconfig

@@ -53,12 +53,6 @@ config PSEUDOFS_SOFTLINKS
 		to link a directory in the pseudo-file system, such as /bin, to
 		to a directory in a mounted volume, say /mnt/sdcard/bin.
 
-config FS_READABLE
-	bool
-	default n
-	---help---
-		Automatically selected if any readable file system is selected
-
 source fs/aio/Kconfig
 source fs/semaphore/Kconfig
 source fs/mqueue/Kconfig

fs/binfs/Kconfig

@@ -7,7 +7,6 @@ config FS_BINFS
 	bool "BINFS File System"
 	default n
 	depends on BUILTIN
-	select FS_READABLE
 	---help---
 		The BINFS file system is provides access to builtin applications through
 		the NuttX file system.  The BINFS may, for example, be mount at /bin.

fs/cromfs/Kconfig

@@ -7,7 +7,6 @@ config FS_CROMFS
 	bool "CROMFS file system"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	select LIBC_LZF
 	---help---
 		Enable Compessed Read-Only Filesystem (CROMFS) support

fs/fat/Kconfig

@@ -7,7 +7,6 @@ config FS_FAT
 	bool "FAT file system"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	---help---
 		Enable FAT filesystem support
 

fs/hostfs/Kconfig

@@ -7,7 +7,6 @@ config FS_HOSTFS
 	bool "Host File System"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	---help---
 		The Host file system provides a mechanism to mount directories
 		from the host OS during simulation mode.  The host directory

fs/littlefs/Kconfig

@@ -1,7 +1,6 @@
 config FS_LITTLEFS
 	bool "LITTLEFS File System"
 	default n
-	select FS_READABLE
 	depends on !DISABLE_MOUNTPOINT
 	---help---
 		Build the LITTLEFS file system. https://github.com/ARMmbed/littlefs.

fs/mount/fs_mount.c

@@ -1,36 +1,20 @@
 /****************************************************************************
  * fs/mount/fs_mount.c
  *
- *   Copyright (C) 2007-2009, 2011-2013, 2015, 2017-2019 Gregory Nutt. All
+ * Licensed to the Apache Software Foundation (ASF) under one or more
- *     rights reserved.
+ * contributor license agreements.  See the NOTICE file distributed with
- *   Author: Gregory Nutt <gnutt@nuttx.org>
+ * 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
  *
- * Redistribution and use in source and binary forms, with or without
+ *   http://www.apache.org/licenses/LICENSE-2.0
- * modification, are permitted provided that the following conditions
- * are met:
  *
- * 1. Redistributions of source code must retain the above copyright
+ * Unless required by applicable law or agreed to in writing, software
- *    notice, this list of conditions and the following disclaimer.
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * 2. Redistributions in binary form must reproduce the above copyright
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
- *    notice, this list of conditions and the following disclaimer in
+ * License for the specific language governing permissions and limitations
- *    the documentation and/or other materials provided with the
+ * under the License.
- *    distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- *    used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
  *
  ****************************************************************************/
 
@@ -52,14 +36,6 @@
 #include "inode/inode.h"
 #include "driver/driver.h"
 
-/* At least one filesystem must be defined, or this file will not compile.
- * It may be desire-able to make file systems dynamically registered at
- * some time in the future, but at present, this file needs to know about
- * every configured filesystem.
- */
-
-#ifdef CONFIG_FS_READABLE
-
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
@@ -540,4 +516,3 @@ errout:
 #endif /* BDFS_SUPPORT || MDFS_SUPPORT || NODFS_SUPPORT */
 }
 
-#endif /* CONFIG_FS_READABLE */

fs/nfs/Kconfig

@@ -7,7 +7,6 @@ config NFS
 	bool "NFS client file system"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	---help---
 		Enable network file system (NFS) client file system
 

fs/nxffs/Kconfig

@@ -7,7 +7,6 @@ config FS_NXFFS
 	bool "NXFFS file system"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	---help---
 		Enable NuttX FLASH file system (NXFF) support.
 

fs/procfs/Kconfig

@@ -6,7 +6,6 @@
 config FS_PROCFS
 	bool "PROCFS File System"
 	default n
-	select FS_READABLE
 	---help---
 		The PROCFS file system provides access to task status and other driver
 		status through the NuttX file system.  The PROCFS may, for example, be

fs/romfs/Kconfig

@@ -7,7 +7,6 @@ config FS_ROMFS
 	bool "ROMFS file system"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	---help---
 		Enable ROMFS filesystem support
 

fs/smartfs/Kconfig

@@ -7,7 +7,6 @@ config FS_SMARTFS
 	bool "SMART file system"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	---help---
 		Enable NuttX SMART Flash file system (SMARTFS) support.
 

fs/spiffs/Kconfig

@@ -6,7 +6,6 @@
 config FS_SPIFFS
 	bool "SPIFFS File System"
 	default n
-	select FS_READABLE
 	depends on !DISABLE_MOUNTPOINT
 	---help---
 		Build the SPIFFS file system.  This is a port of version 0.3.7 of

fs/tmpfs/Kconfig

@@ -7,7 +7,6 @@ config FS_TMPFS
 	bool "TMPFS file system"
 	default n
 	depends on !DISABLE_MOUNTPOINT
-	select FS_READABLE
 	---help---
 		Enable TMPFS filesystem support