9 files changed, 45 insertions, 9 deletions
diff --git a/examples/file/listdir.c b/examples/file/listdir.c
index 9649347734..d858a00bff 100644
--- a/examples/file/listdir.c
+++ b/examples/file/listdir.c
@@ -9,7 +9,11 @@
  * 2020-04-12     Jianjia Ma   add msh cmd
  */
 #include <rtthread.h>
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 void list_dir(const char* path)
 {
diff --git a/examples/file/readspeed.c b/examples/file/readspeed.c
index 5f4cad3190..dfa68ceb32 100644
--- a/examples/file/readspeed.c
+++ b/examples/file/readspeed.c
@@ -10,7 +10,11 @@
  */
 
 #include <rtthread.h>
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 void readspeed(const char* filename, int block_size)
 {
diff --git a/examples/file/readwrite.c b/examples/file/readwrite.c
index d1dd5bc038..5d0defeaa9 100644
--- a/examples/file/readwrite.c
+++ b/examples/file/readwrite.c
@@ -10,7 +10,11 @@
  */
 
 #include <rtthread.h>
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 #define TEST_DATA_LEN     120
 
diff --git a/examples/file/seekdir.c b/examples/file/seekdir.c
index efadd3a1c8..5198a8056b 100644
--- a/examples/file/seekdir.c
+++ b/examples/file/seekdir.c
@@ -8,7 +8,11 @@
  * 2011-06-02     Bernard      first version
  * 2020-04-12     Jianjia Ma   add msh cmd
  */
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 void seekdir_test(void)
 {
diff --git a/examples/file/writespeed.c b/examples/file/writespeed.c
index f76027d28b..87a4c329bd 100644
--- a/examples/file/writespeed.c
+++ b/examples/file/writespeed.c
@@ -9,7 +9,11 @@
  * 2020-04-12     Jianjia Ma   add msh cmd
  */
 #include <rtthread.h>
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 void writespeed(const char* filename, int total_length, int block_size)
 {
diff --git a/examples/network/chargen.c b/examples/network/chargen.c
index 3b4feaca9e..69a6b13a5d 100644
--- a/examples/network/chargen.c
+++ b/examples/network/chargen.c
@@ -12,7 +12,11 @@
 
 #ifdef SAL_USING_POSIX
 #include <sys/select.h> // only dfs_net
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 #else
 #define read        lwip_read
 #define write       lwip_write
diff --git a/examples/rt-link/rtlink_dev_example.c b/examples/rt-link/rtlink_dev_example.c
index 51b6432d9f..027292769d 100644
--- a/examples/rt-link/rtlink_dev_example.c
+++ b/examples/rt-link/rtlink_dev_example.c
@@ -46,7 +46,11 @@ static rt_err_t rtlink_dev_tx_done(rt_device_t dev, void *buffer)
 }
 
 #ifdef RT_USING_POSIX_DEVIO
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 #include <poll.h>
 #include <sys/select.h>
 
diff --git a/examples/test/fs_test.c b/examples/test/fs_test.c
index a86bbd6ac2..7fd70284cf 100644
--- a/examples/test/fs_test.c
+++ b/examples/test/fs_test.c
@@ -11,7 +11,11 @@
  */
 
 #include <rtthread.h>
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 
 static rt_uint32_t stop_flag = 0;
 static rt_thread_t fsrw1_thread = RT_NULL;
diff --git a/examples/ymodem/tofile.c b/examples/ymodem/tofile.c
index 35dca2f2c1..8fb2d0c06b 100644
--- a/examples/ymodem/tofile.c
+++ b/examples/ymodem/tofile.c
@@ -9,7 +9,11 @@
 
 #include <rtthread.h>
 #include <ymodem.h>
-#include <dfs_posix.h>
+#include <dfs_file.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/statfs.h>
 #include <stdlib.h>
 
 #include <board.h>