filesystem : add test application

add : procfs_test.c : procfs test application
      ramfs_test.c : ramfs test application
      romfs_test.c : romfs test application
      write_remove_test.c : smartfs test application

Change-Id: Ic729e154335245368cb5030836cb861a3e6a03bd
Signed-off-by: kim jin hong <jh0703.kim@samsung.com>

diff --git a/apps/examples/fs_helper/Kconfig b/apps/examples/fs_helper/Kconfig
new file mode 100644 (file)
index 0000000..a8d4196
--- /dev/null
+++ b/apps/examples/fs_helper/Kconfig
@@ -0,0 +1,52 @@
+#
+# For a description of the syntax of this configuration file,
+# see kconfig-language at https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt
+#
+
+menu "filesystem helper application"
+
+config FILESYSTEM_HELPER_ENABLE
+    bool "enable filesystem helper application"
+    default n
+        ---help---
+        enable filesystem helper application
+
+if FILESYSTEM_HELPER_ENABLE
+
+config WRITE_REMOVE_TEST
+       bool "repeat write & remove test"
+       default n
+       ---help---
+               Enable "rw_test" application
+
+config ROMFS_TEST
+       bool "romfs test"
+       default n
+       select FS_ROMFS
+       ---help---
+               Enable "romfs_test" application
+
+config RAMFS_TEST
+       bool "ramfs test"
+       default n
+       select RAMMTD
+       ---help---
+               Enable "ramfs_test" application
+
+if RAMFS_TEST
+
+config RAMFS_TEST_RAMFS_NEBLOCKS
+       int "nblocks of ramfs test"
+        default 32
+
+endif #RAMFS_TEST
+
+config PROCFS_TEST
+       bool "procfs test"
+       default n
+       ---help---
+               Enable "procfs_test" application
+
+endif #FILESYSTEM_HELPER_ENABLE
+
+endmenu

diff --git a/apps/examples/fs_helper/Make.defs b/apps/examples/fs_helper/Make.defs
new file mode 100644 (file)
index 0000000..a5dea29
--- /dev/null
+++ b/apps/examples/fs_helper/Make.defs
@@ -0,0 +1,21 @@
+###########################################################################
+#
+# Copyright 2017 Samsung Electronics All Rights Reserved.
+#
+# Licensed 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.
+#
+###########################################################################
+
+ifeq ($(CONFIG_FILESYSTEM_HELPER_ENABLE),y)
+CONFIGURED_APPS += examples/fs_helper
+endif

diff --git a/apps/examples/fs_helper/Makefile b/apps/examples/fs_helper/Makefile
new file mode 100644 (file)
index 0000000..936a5ed
--- /dev/null
+++ b/apps/examples/fs_helper/Makefile
@@ -0,0 +1,187 @@
+###########################################################################
+#
+# Copyright 2017 Samsung Electronics All Rights Reserved.
+#
+# Licensed 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.
+#
+###########################################################################
+############################################################################
+# apps/examples/fs_helper/Makefile
+#
+#   Copyright (C) 2008, 2010-2013 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    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.
+#
+############################################################################
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+THREADEXEC = TASH_EXECMD_ASYNC
+
+ASRCS =
+CSRCS =
+
+ifeq ($(CONFIG_WRITE_REMOVE_TEST),y)
+CSRCS += write_remove_test.c
+endif
+
+ifeq ($(CONFIG_ROMFS_TEST),y)
+CSRCS += romfs_test.c
+endif
+
+ifeq ($(CONFIG_RAMFS_TEST),y)
+CSRCS += ramfs_test.c
+endif
+
+ifeq ($(CONFIG_PROCFS_TEST),y)
+CSRCS += procfs_test.c
+endif
+
+
+AOBJS = $(ASRCS:.S=$(OBJEXT))
+COBJS = $(CSRCS:.c=$(OBJEXT))
+MAINOBJ = $(MAINSRC:.c=$(OBJEXT))
+
+SRCS = $(ASRCS) $(CSRCS) $(MAINSRC)
+OBJS = $(AOBJS) $(COBJS)
+
+ifneq ($(CONFIG_BUILD_KERNEL),y)
+  OBJS += $(MAINOBJ)
+endif
+
+ifeq ($(CONFIG_WINDOWS_NATIVE),y)
+  BIN = ..\..\libapps$(LIBEXT)
+else
+ifeq ($(WINTOOL),y)
+  BIN = ..\\..\\libapps$(LIBEXT)
+else
+  BIN = ../../libapps$(LIBEXT)
+endif
+endif
+
+ifeq ($(WINTOOL),y)
+  INSTALL_DIR = "${shell cygpath -w $(BIN_DIR)}"
+else
+  INSTALL_DIR = $(BIN_DIR)
+endif
+
+CONFIG_EXAMPLES_FS_HELPER_PROGNAME ?= romfs_test(EXEEXT)
+PROGNAME = $(CONFIG_EXAMPLES_FS_HELPEFS_HELPERGNAME)
+
+ROOTDEPPATH = --dep-path .
+
+# Common build
+
+VPATH =
+
+all: .built
+.PHONY: clean depend distclean
+
+$(AOBJS): %$(OBJEXT): %.S
+       $(call ASSEMBLE, $<, $@)
+
+$(COBJS) $(MAINOBJ): %$(OBJEXT): %.c
+       $(call COMPILE, $<, $@)
+
+.built: $(OBJS)
+       $(call ARCHIVE, $(BIN), $(OBJS))
+       @touch .built
+
+ifeq ($(CONFIG_BUILD_KERNEL),y)
+$(BIN_DIR)$(DELIM)$(PROGNAME): $(OBJS) $(MAINOBJ)
+       @echo "LD: $(PROGNAME)"
+       $(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(PROGNAME) $(ARCHCRT0OBJ) $(MAINOBJ) $(LDLIBS)
+       $(Q) $(NM) -u  $(INSTALL_DIR)$(DELIM)$(PROGNAME)
+
+install: $(BIN_DIR)$(DELIM)$(PROGNAME)
+
+else
+install:
+
+endif
+
+ifeq ($(CONFIG_BUILTIN_APPS)$(CONFIG_FILESYSTEM_HELPER_ENABLE),yy)
+
+ifeq ($(CONFIG_WRITE_REMOVE_TEST),y)
+$(BUILTIN_REGISTRY)$(DELIM)write_remove_test_main.bdat: $(DEPCONFIG) Makefile
+       $(Q) $(call REGISTER,write_remove,write_remove_test_main,$(THREADEXEC),$(PRIORITY),$(STACKSIZE))
+context: $(BUILTIN_REGISTRY)$(DELIM)write_remove_test_main.bdat
+endif
+
+ifeq ($(CONFIG_ROMFS_TEST),y)
+$(BUILTIN_REGISTRY)$(DELIM)romfs_test_main.bdat: $(DEPCONFIG) Makefile
+       $(Q) $(call REGISTER,romfs_test,romfs_test_main,$(THREADEXEC),$(PRIORITY),$(STACKSIZE))
+context: $(BUILTIN_REGISTRY)$(DELIM)romfs_test_main.bdat
+endif
+
+ifeq ($(CONFIG_RAMFS_TEST),y)
+$(BUILTIN_REGISTRY)$(DELIM)ramfs_test_main.bdat: $(DEPCONFIG) Makefile
+       $(Q) $(call REGISTER,ramfs_test,ramfs_test_main,$(THREADEXEC),$(PRIORITY),$(STACKSIZE))
+context: $(BUILTIN_REGISTRY)$(DELIM)ramfs_test_main.bdat
+endif
+
+ifeq ($(CONFIG_PROCFS_TEST),y)
+$(BUILTIN_REGISTRY)$(DELIM)procfs_test_main.bdat: $(DEPCONFIG) Makefile
+       $(Q) $(call REGISTER,procfs_test,procfs_test_main,$(THREADEXEC),$(PRIORITY),$(STACKSIZE))
+context: $(BUILTIN_REGISTRY)$(DELIM)procfs_test_main.bdat
+endif
+
+else
+context:
+
+endif
+
+.depend: Makefile $(SRCS)
+       @$(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep
+       @touch $@
+
+depend: .depend
+
+clean:
+       $(call DELFILE, .built)
+       $(call CLEAN)
+
+distclean: clean
+       $(call DELFILE, Make.dep)
+       $(call DELFILE, .depend)
+
+-include Make.dep
+.PHONY: preconfig
+preconfig:

diff --git a/apps/examples/fs_helper/procfs_test.c b/apps/examples/fs_helper/procfs_test.c
new file mode 100644 (file)
index 0000000..d753aa6
--- /dev/null
+++ b/apps/examples/fs_helper/procfs_test.c
@@ -0,0 +1,156 @@
+/****************************************************************************
+ *
+ * Copyright 2017 Samsung Electronics All Rights Reserved.
+ *
+ * Licensed 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.
+ *
+ ****************************************************************************/
+/**
+ * @file procfs_test.c
+ * @brief This is test application for proc file system.
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <tinyara/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+#define BUFFER_SIZE 1024
+/****************************************************************************
+ * Private data
+ ****************************************************************************/
+struct pthread_arg {
+       int argc;
+       char **argv;
+};
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+static int read_file(const char *srcpath)
+{
+       int nbytesread;
+       int rdfd;
+       static char buffer[BUFFER_SIZE];
+
+       /* Open the source file for reading */
+
+       rdfd = open(srcpath, O_RDONLY);
+       if (rdfd < 0) {
+               printf("ERROR: Failed to open %s for reading: %s\n", srcpath, strerror(errno));
+               return -1;
+       }
+
+       /* read the file */
+
+       for (;;) {
+               do {
+                       nbytesread = read(rdfd, buffer, BUFFER_SIZE);
+                       if (nbytesread == 0) {
+                               /* End of file */
+
+                               close(rdfd);
+                               return OK;
+                       } else if (nbytesread < 0) {
+                               /* EINTR is not an error (but will still stop the copy) */
+
+                               printf("ERROR: Read failure: %s\n", strerror(errno));
+                               return -1;
+                       }
+                       printf("read file string[%s]", buffer);
+
+               } while (nbytesread <= 0);
+       }
+       close(rdfd);
+       return OK;
+}
+
+int procfs_commands(void *args)
+{
+       char filename[100] = "/proc/0/status";
+       int ret;
+
+       ret = read_file(filename);
+       if (ret < 0) {
+               printf("procfs error!\n");
+       } else {
+               printf("success procfs test!\n");
+       }
+       if (umount("/proc") < 0) {
+               printf("umount procfs fail\n");
+               return -1;
+       }
+       return 0;
+}
+
+/****************************************************************************
+ * fs_command_main
+ ****************************************************************************/
+#ifdef CONFIG_BUILD_KERNEL
+int main(int argc, FAR char *argv[])
+#else
+int procfs_test_main(int argc, char **argv)
+#endif
+{
+       pthread_t tid;
+       pthread_attr_t attr;
+       struct sched_param sparam;
+       int r;
+
+       struct pthread_arg args;
+
+       args.argc = argc;
+       args.argv = argv;
+
+       /* Initialize the attribute variable */
+       r = pthread_attr_init(&attr);
+       if (r != 0) {
+               printf("%s: pthread_attr_init failed, status=%d\n", __func__, r);
+       }
+
+       /* 1. set a priority */
+       sparam.sched_priority = 100;
+       r = pthread_attr_setschedparam(&attr, &sparam);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedparam failed, status=%d\n", __func__, r);
+       }
+
+       r = pthread_attr_setschedpolicy(&attr, SCHED_RR);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedpolicy failed, status=%d\n", __func__, r);
+       }
+
+       /* 2. set a stacksize */
+       r = pthread_attr_setstacksize(&attr, 51200);
+       if (r != 0) {
+               printf("%s: pthread_attr_setstacksize failed, status=%d\n", __func__, r);
+       }
+
+       /* 3. create pthread with entry function */
+       r = pthread_create(&tid, &attr, (pthread_startroutine_t)procfs_commands, (void *)&args);
+       if (r != 0) {
+               printf("%s: pthread_create failed, status=%d\n", __func__, r);
+       }
+
+       /* Wait for the threads to stop */
+       pthread_join(tid, NULL);
+
+       return 0;
+}

diff --git a/apps/examples/fs_helper/ramfs_test.c b/apps/examples/fs_helper/ramfs_test.c
new file mode 100644 (file)
index 0000000..c144e64
--- /dev/null
+++ b/apps/examples/fs_helper/ramfs_test.c
@@ -0,0 +1,201 @@
+/****************************************************************************
+ *
+ * Copyright 2017 Samsung Electronics All Rights Reserved.
+ *
+ * Licensed 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.
+ *
+ ****************************************************************************/
+/**
+ * @file ramfs_test.c
+ * @brief This is test application for ram file system
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <tinyara/config.h>
+#include <tinyara/fs/mtd.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+#define BUFFER_SIZE 12
+
+// 1. at least, have to set CONFIG_EXAMPLES_RAMFS_NEBLOCKS to 16 for ramfs test
+#ifdef CONFIG_RAMFS_TEST
+#define EXAMPLES_RAMFS_BUFSIZE \
+  (CONFIG_RAMMTD_ERASESIZE * CONFIG_RAMFS_TEST_RAMFS_NEBLOCKS)
+#endif
+
+// 2. If you enable CONFIG_MTD and CONFIG_MTD_SMART,
+//    ramfs is mounted to /ramfs automatically when boot system.
+
+/****************************************************************************
+ * Private data
+ ****************************************************************************/
+struct pthread_arg {
+       int argc;
+       char **argv;
+};
+
+
+static int read_file(const char *srcpath)
+{
+       int nbytesread;
+       int rdfd;
+       char buffer[BUFFER_SIZE];
+
+       /* Open the source file for reading */
+
+       rdfd = open(srcpath, O_RDONLY);
+       if (rdfd < 0) {
+               printf("ERROR: Failed to open %s for reading: %s\n", srcpath, strerror(errno));
+               return -1;
+       }
+
+       /* read the file */
+       printf("read file string :\n");
+       for (;;) {
+               do {
+                       memset(buffer, 0, BUFFER_SIZE);
+                       nbytesread = read(rdfd, buffer, BUFFER_SIZE);
+                       if (nbytesread == 0) {
+                               /* End of file */
+                               close(rdfd);
+                               return OK;
+                       } else if (nbytesread < 0) {
+                               /* EINTR is not an error (but will still stop the copy) */
+                               printf("ERROR: Read failure: %s\n", strerror(errno));
+                               close(rdfd);
+                               return -1;
+                       }
+                       printf("%s\n", buffer);
+               } while (nbytesread <= 0);
+       }
+       close(rdfd);
+       return OK;
+}
+
+/****************************************************************************
+ * Name: make_file
+ *
+ * Description: make file.
+ *
+ ****************************************************************************/
+
+static int make_file(char *filename)
+{
+       FILE *fp;
+       char *in_string = "test string";
+
+       fp = fopen(filename, "w");
+       if (fp == NULL) {
+               printf("Cannot make file %s\n", filename);
+               return -1;
+       }
+
+       if (fwrite(in_string, BUFFER_SIZE, 1, fp) < 0) {
+               printf("Cannot write file %s\n", filename);
+               return -1;
+       }
+
+       if (fclose(fp) != 0) {
+               printf("Cannot close file %s\n", filename);
+               return -1;
+       }
+       return OK;
+}
+
+int ramfs_commands(void *args)
+{
+       char filename[100] = "/ramfs/test_file";
+
+       printf("ramfs size is %d byte\n", EXAMPLES_RAMFS_BUFSIZE);
+
+       if (make_file(filename) < 0) {
+               printf("ERROR: make file for ramfs %s\n", filename);
+               fflush(stdout);
+               goto EXIT_FILE_SYSTEM_TEST_RAMTD;
+       }
+
+       if (read_file(filename) < 0) {
+               printf("ERROR: read file for ramfs %s\n", filename);
+               fflush(stdout);
+               goto EXIT_FILE_SYSTEM_TEST_RAMTD;
+       }
+
+       return OK;
+
+EXIT_FILE_SYSTEM_TEST_RAMTD:
+       return -1;
+}
+
+/****************************************************************************
+ * fs_command_main
+ ****************************************************************************/
+#ifdef CONFIG_BUILD_KERNEL
+int main(int argc, FAR char *argv[])
+#else
+int ramfs_test_main(int argc, char **argv)
+#endif
+{
+       pthread_t tid;
+       pthread_attr_t attr;
+       struct sched_param sparam;
+       int r;
+
+       struct pthread_arg args;
+
+       args.argc = argc;
+       args.argv = argv;
+
+       /* Initialize the attribute variable */
+       r = pthread_attr_init(&attr);
+       if (r != 0) {
+               printf("%s: pthread_attr_init failed, status=%d\n", __func__, r);
+       }
+
+       /* 1. set a priority */
+       sparam.sched_priority = 100;
+       r = pthread_attr_setschedparam(&attr, &sparam);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedparam failed, status=%d\n", __func__, r);
+       }
+
+       r = pthread_attr_setschedpolicy(&attr, SCHED_RR);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedpolicy failed, status=%d\n", __func__, r);
+       }
+
+       /* 2. set a stacksize */
+       r = pthread_attr_setstacksize(&attr, 51200);
+       if (r != 0) {
+               printf("%s: pthread_attr_setstacksize failed, status=%d\n", __func__, r);
+       }
+
+       /* 3. create pthread with entry function */
+       r = pthread_create(&tid, &attr, (pthread_startroutine_t) ramfs_commands, (void *)&args);
+       if (r != 0) {
+               printf("%s: pthread_create failed, status=%d\n", __func__, r);
+       }
+
+       /* Wait for the threads to stop */
+       pthread_join(tid, NULL);
+
+       return 0;
+}

diff --git a/apps/examples/fs_helper/romfs_test.c b/apps/examples/fs_helper/romfs_test.c
new file mode 100644 (file)
index 0000000..ee25f11
--- /dev/null
+++ b/apps/examples/fs_helper/romfs_test.c
@@ -0,0 +1,249 @@
+/****************************************************************************
+ *
+ * Copyright 2017 Samsung Electronics All Rights Reserved.
+ *
+ * Licensed 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.
+ *
+ ****************************************************************************/
+/**
+ * @file romfs_test.c
+ * @brief This is test application for ram filesystem.
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <tinyara/config.h>
+#include <tinyara/fs/fs_utils.h>
+#include <tinyara/fs/ramdisk.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+#define WRITE_DATA_SIZE 1024
+#define BUFFER_SIZE 1024
+/****************************************************************************
+ * Private data
+ ****************************************************************************/
+struct pthread_arg {
+       int argc;
+       char **argv;
+};
+
+static const unsigned char romfs_img[] = {
+       0x2d, 0x72, 0x6f, 0x6d, 0x31, 0x66, 0x73, 0x2d, 0x00, 0x00, 0x02, 0x10,
+       0xad, 0x5b, 0x65, 0xae, 0x4e, 0x53, 0x48, 0x49, 0x6e, 0x69, 0x74, 0x56,
+       0x6f, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49,
+       0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0xd1, 0xff, 0xff, 0x97,
+       0x2e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x20,
+       0x00, 0x00, 0x00, 0x00, 0xd1, 0xd1, 0xff, 0x80, 0x2e, 0x2e, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00,
+       0x68, 0x2d, 0x96, 0x03, 0x69, 0x6e, 0x69, 0x74, 0x2e, 0x64, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0,
+       0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0xd1, 0xd1, 0xff, 0x40,
+       0x2e, 0x2e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x60,
+       0x00, 0x00, 0x00, 0x00, 0xd1, 0xff, 0xfe, 0xe0, 0x2e, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x29,
+       0x8d, 0x9c, 0xab, 0xcd, 0x72, 0x63, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x63, 0x68, 0x6f,
+       0x20, 0x22, 0x56, 0x65, 0x72, 0x73, 0x61, 0x74, 0x69, 0x6c, 0x65, 0x20,
+       0x53, 0x65, 0x6e, 0x73, 0x6f, 0x72, 0x20, 0x4e, 0x6f, 0x64, 0x65, 0x20,
+       0x56, 0x31, 0x2e, 0x32, 0x2c, 0x20, 0x77, 0x77, 0x77, 0x2e, 0x6e, 0x65,
+       0x74, 0x43, 0x6c, 0x61, 0x6d, 0x70, 0x73, 0x2e, 0x63, 0x6f, 0x6d, 0x22,
+       0x0a, 0x0a, 0x23, 0x20, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x20, 0x61,
+       0x20, 0x52, 0x41, 0x4d, 0x44, 0x49, 0x53, 0x4b, 0x20, 0x61, 0x6e, 0x64,
+       0x20, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x69, 0x74, 0x20, 0x61, 0x74,
+       0x20, 0x2f, 0x74, 0x6d, 0x70, 0x0a, 0x23, 0x6d, 0x6b, 0x72, 0x64, 0x20,
+       0x2d, 0x6d, 0x20, 0x31, 0x20, 0x2d, 0x73, 0x20, 0x35, 0x31, 0x32, 0x20,
+       0x34, 0x30, 0x0a, 0x23, 0x6d, 0x6b, 0x66, 0x61, 0x74, 0x66, 0x73, 0x20,
+       0x2f, 0x64, 0x65, 0x76, 0x2f, 0x72, 0x61, 0x6d, 0x31, 0x0a, 0x23, 0x6d,
+       0x6f, 0x75, 0x6e, 0x74, 0x20, 0x2d, 0x74, 0x20, 0x76, 0x66, 0x61, 0x74,
+       0x20, 0x2f, 0x64, 0x65, 0x76, 0x2f, 0x72, 0x61, 0x6d, 0x31, 0x20, 0x2f,
+       0x74, 0x6d, 0x70, 0x0a, 0x0a, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x2d,
+       0x74, 0x20, 0x62, 0x69, 0x6e, 0x66, 0x73, 0x20, 0x2f, 0x64, 0x65, 0x76,
+       0x2f, 0x72, 0x61, 0x6d, 0x30, 0x20, 0x2f, 0x73, 0x62, 0x69, 0x6e, 0x0a,
+       0x0a, 0x72, 0x61, 0x6d, 0x74, 0x72, 0x6f, 0x6e, 0x20, 0x73, 0x74, 0x61,
+       0x72, 0x74, 0x20, 0x33, 0x0a, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x2d,
+       0x74, 0x20, 0x76, 0x66, 0x61, 0x74, 0x20, 0x2f, 0x64, 0x65, 0x76, 0x2f,
+       0x6d, 0x74, 0x64, 0x62, 0x6c, 0x6f, 0x63, 0x6b, 0x30, 0x20, 0x2f, 0x75,
+       0x73, 0x72, 0x0a, 0x0a, 0x73, 0x64, 0x63, 0x61, 0x72, 0x64, 0x20, 0x73,
+       0x74, 0x61, 0x72, 0x74, 0x20, 0x30, 0x0a, 0x6d, 0x6f, 0x75, 0x6e, 0x74,
+       0x20, 0x2d, 0x74, 0x20, 0x76, 0x66, 0x61, 0x74, 0x20, 0x2f, 0x64, 0x65,
+       0x76, 0x2f, 0x6d, 0x6d, 0x63, 0x73, 0x64, 0x30, 0x20, 0x2f, 0x73, 0x64,
+       0x63, 0x61, 0x72, 0x64, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00
+};
+
+static int read_file(const char *srcpath)
+{
+       int nbytesread;
+       int rdfd;
+       static char g_buffer[BUFFER_SIZE];
+
+       /* Open the source file for reading */
+
+       rdfd = open(srcpath, O_RDONLY);
+       if (rdfd < 0) {
+               printf("ERROR: Failed to open %s for reading: %s\n", srcpath, strerror(errno));
+               return -1;
+       }
+
+       /* read the file */
+
+       for (;;) {
+               do {
+                       nbytesread = read(rdfd, g_buffer, BUFFER_SIZE);
+                       if (nbytesread == 0) {
+                               /* End of file */
+
+                               close(rdfd);
+                               return OK;
+                       } else if (nbytesread < 0) {
+                               /* EINTR is not an error (but will still stop the copy) */
+
+                               printf("ERROR: Read failure: %s\n", strerror(errno));
+                               return -1;
+                       }
+                       printf("read file string[%s]", g_buffer);
+
+               } while (nbytesread <= 0);
+       }
+       close(rdfd);
+       return OK;
+}
+
+int romfs_commands(void *args)
+{
+       char filename[100] = "/rom/init.d/rcS";
+       romdisk_register(0, (FAR uint8_t *) romfs_img, 32, 512);
+       mount("/dev/ram0", "/rom", "romfs", 1, NULL);
+
+       int ret = read_file(filename);
+       if (ret < 0) {
+               printf("romfs error!\n");
+       } else {
+               printf("success romfs test!\n");
+       }
+
+       ret = umount("/rom");
+       if (ret < 0) {
+               printf("umount romfs fail\n");
+       }
+
+       return 0;
+}
+
+/****************************************************************************
+ * fs_command_main
+ ****************************************************************************/
+#ifdef CONFIG_BUILD_KERNEL
+int main(int argc, FAR char *argv[])
+#else
+int romfs_test_main(int argc, char **argv)
+#endif
+{
+       pthread_t tid;
+       pthread_attr_t attr;
+       struct sched_param sparam;
+       int r;
+
+       struct pthread_arg args;
+
+       args.argc = argc;
+       args.argv = argv;
+
+       /* Initialize the attribute variable */
+       r = pthread_attr_init(&attr);
+       if (r != 0) {
+               printf("%s: pthread_attr_init failed, status=%d\n", __func__, r);
+       }
+
+       /* 1. set a priority */
+       sparam.sched_priority = 100;
+       r = pthread_attr_setschedparam(&attr, &sparam);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedparam failed, status=%d\n", __func__, r);
+       }
+
+       r = pthread_attr_setschedpolicy(&attr, SCHED_RR);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedpolicy failed, status=%d\n", __func__, r);
+       }
+
+       /* 2. set a stacksize */
+       r = pthread_attr_setstacksize(&attr, 51200);
+       if (r != 0) {
+               printf("%s: pthread_attr_setstacksize failed, status=%d\n", __func__, r);
+       }
+
+       /* 3. create pthread with entry function */
+       r = pthread_create(&tid, &attr, (pthread_startroutine_t) romfs_commands, (void *)&args);
+       if (r != 0) {
+               printf("%s: pthread_create failed, status=%d\n", __func__, r);
+       }
+
+       /* Wait for the threads to stop */
+       pthread_join(tid, NULL);
+
+       return 0;
+}

diff --git a/apps/examples/fs_helper/write_remove_test.c b/apps/examples/fs_helper/write_remove_test.c
new file mode 100644 (file)
index 0000000..6de1f05
--- /dev/null
+++ b/apps/examples/fs_helper/write_remove_test.c
@@ -0,0 +1,171 @@
+/****************************************************************************
+ *
+ * Copyright 2017 Samsung Electronics All Rights Reserved.
+ *
+ * Licensed 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.
+ *
+ ****************************************************************************/
+/**
+ * @file write_remove_test.c
+ * @brief This is test application for smart filesystem.
+ */
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <tinyara/config.h>
+#include <tinyara/fs/fs_utils.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+#define WRITE_DATA_SIZE 1024
+/****************************************************************************
+ * Private data
+ ****************************************************************************/
+struct pthread_arg {
+       int argc;
+       char **argv;
+};
+
+static int make_file(char *filename)
+{
+       FILE *fp;
+       int i, ret;
+
+       fp = fopen(filename, "w+");
+       if (fp == NULL) {
+               printf("Cannot make file %s\n", filename);
+               return -1;
+       }
+
+       for (i = 0; i < WRITE_DATA_SIZE; i++) {
+               ret = fwrite(&i, 4, 1, fp);
+               if (ret < 0) {
+                       printf("fwrite error[%d]\n", ret);
+                       return ret;
+               }
+       }
+
+       ret = fclose(fp);
+       if (ret != 0) {
+               printf("fclose error[%d]\n", ret);
+               return ret;
+       }
+       return OK;
+}
+
+int wr_commands(void *args)
+{
+       char **argv;
+       int repeat;
+       int count;
+       int ret;
+       char path[100] = "/mnt/wr_test";
+
+       argv = ((struct pthread_arg *)args)->argv;
+
+       repeat = atoi(argv[1]);
+       printf("repeat = %d\n", repeat);
+
+       printf("\n");
+
+       for (count = 1; count != repeat; count++) {
+               printf("\r%d", count);
+
+               //write file
+               if (make_file(path) < 0) {
+                       return -1;
+               }
+               //remove file
+               ret = unlink(path);
+               if (ret < 0) {
+                       printf("unlink fail [%d]\n", ret);
+                       return -1;
+               }
+       }
+       printf("\ntest complete!\n");
+
+       return 0;
+}
+
+void usage_write_remove(void)
+{
+       printf("Usage : \n");
+       printf("write and remove test for filesystem(smartfs) \n");
+       printf("ex) write_remove 10\n");
+}
+
+/****************************************************************************
+ * fs_command_main
+ ****************************************************************************/
+#ifdef CONFIG_BUILD_KERNEL
+int main(int argc, FAR char *argv[])
+#else
+int write_remove_test_main(int argc, char **argv)
+#endif
+{
+       pthread_t tid;
+       pthread_attr_t attr;
+       struct sched_param sparam;
+       int r;
+
+       struct pthread_arg args;
+
+       args.argc = argc;
+       args.argv = argv;
+
+       if (argc != 2) {
+               usage_write_remove();
+               return 0;
+       }
+
+       /* Initialize the attribute variable */
+       r = pthread_attr_init(&attr);
+       if (r != 0) {
+               printf("%s: pthread_attr_init failed, status=%d\n", __func__, r);
+       }
+
+       /* 1. set a priority */
+       sparam.sched_priority = 100;
+       r = pthread_attr_setschedparam(&attr, &sparam);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedparam failed, status=%d\n", __func__, r);
+       }
+
+       r = pthread_attr_setschedpolicy(&attr, SCHED_RR);
+       if (r != 0) {
+               printf("%s: pthread_attr_setschedpolicy failed, status=%d\n", __func__, r);
+       }
+
+       /* 2. set a stacksize */
+       r = pthread_attr_setstacksize(&attr, 51200);
+       if (r != 0) {
+               printf("%s: pthread_attr_setstacksize failed, status=%d\n", __func__, r);
+       }
+
+       /* 3. create pthread with entry function */
+       r = pthread_create(&tid, &attr, (pthread_startroutine_t) wr_commands, (void *)&args);
+       if (r != 0) {
+               printf("%s: pthread_create failed, status=%d\n", __func__, r);
+       }
+
+       /* Wait for the threads to stop */
+       pthread_join(tid, NULL);
+
+       return 0;
+
+}