From 1c0c20e69cadec3ed0301f8542d5e142b35b9f2e Mon Sep 17 00:00:00 2001
From: Lucjan Bryndza <lucjan.bryndza@mudita.com>
Date: Tue, 12 Jan 2021 13:44:50 +0100
Subject: [PATCH] [EGD-4498] Add user functions for mount

Add user functions and methods for mount and unmount
capable with linux filesystem.
---
 board/rt1051/newlib/io_syscalls.cpp               | 14 ++++++++++++++
 .../include/internal/newlib/vfs_io_syscalls.hpp   |  7 +++++++
 module-vfs/src/newlib/vfs_io_syscalls.cpp         | 15 +++++++++++++++
 3 files changed, 36 insertions(+)

diff --git a/board/rt1051/newlib/io_syscalls.cpp b/board/rt1051/newlib/io_syscalls.cpp
index 38795add51604ba4e1ee361aff07481bd588c3d5..6a5c46d87084d182c4a45557712c0ce9aa6fd076 100644
--- a/board/rt1051/newlib/io_syscalls.cpp
+++ b/board/rt1051/newlib/io_syscalls.cpp
@@ -8,6 +8,7 @@
 #include <dirent.h>
 #include <newlib/vfs_io_syscalls.hpp>
 #include <sys/statvfs.h>
+#include <sys/mount.h>
 extern "C"
 {
     using namespace vfsn::internal;
@@ -114,5 +115,18 @@ extern "C"
     {
         return syscalls::statvfs( _REENT->_errno, path,buf);
     }
+    /* Mount a filesystem.  */
+    int mount (const char *special_file, const char *dir,
+           const char *fstype, unsigned long int rwflag,
+           const void *data)
+    {
+        return syscalls::mount(_REENT->_errno, special_file, dir,
+                               fstype, rwflag, data );
+    }
+    /* Unmount a filesystem.  */
+    int umount (const char *special_file)
+    {
+        return syscalls::umount(_REENT->_errno, special_file);
+    }
 }
 
diff --git a/module-vfs/include/internal/newlib/vfs_io_syscalls.hpp b/module-vfs/include/internal/newlib/vfs_io_syscalls.hpp
index 5481249629a66bf8125dc6ad7f99edeba997f808..c038a061fd029a6ffaa67837855b083a6ad9ff6b 100644
--- a/module-vfs/include/internal/newlib/vfs_io_syscalls.hpp
+++ b/module-vfs/include/internal/newlib/vfs_io_syscalls.hpp
@@ -35,6 +35,13 @@ namespace vfsn::internal::syscalls
     int chmod(int &_errno_, const char *path, mode_t mode);
     int fchmod(int &_errno_, int fd, mode_t mode);
     int fsync(int &_errno_, int fd);
+    int mount(int &_errno_,
+              const char *special_file,
+              const char *dir,
+              const char *fstype,
+              unsigned long int rwflag,
+              const void *data);
+    int umount(int &_errno_, const char *special_file);
     int statvfs(int &_errno_, const char *path, struct statvfs *buf);
 
 } // namespace vfsn::internal::syscalls
diff --git a/module-vfs/src/newlib/vfs_io_syscalls.cpp b/module-vfs/src/newlib/vfs_io_syscalls.cpp
index ac9c118a14e83a82a2b0eecb1cee2a36cd5bbde3..87956cf7fdfc5682a53cb7b6c7b2ad8109734c46 100644
--- a/module-vfs/src/newlib/vfs_io_syscalls.cpp
+++ b/module-vfs/src/newlib/vfs_io_syscalls.cpp
@@ -343,5 +343,20 @@ namespace vfsn::internal::syscalls
         }
     }
 
+    int umount(int &_errno_, const char *special_file)
+    {
+        return invoke_fs(_errno_, &purefs::fs::filesystem::umount, special_file);
+    }
+
+    int mount(int &_errno_,
+              const char *special_file,
+              const char *dir,
+              const char *fstype,
+              unsigned long int rwflag,
+              const void * /*data*/)
+    {
+        return invoke_fs(_errno_, &purefs::fs::filesystem::mount, special_file, dir, fstype, rwflag);
+    }
+
 } // namespace vfsn::internal::syscalls