esp8266/modous: Add os.umount method to unmount a filesystem.

This is an object-oriented approach, where uos is only a proxy for the
methods on the vfs object.  Some internals had to be exposed (the STATIC
keyword removed) for this to work.

Fixes #2338.

1 files changed, 1 insertions, 0 deletions

diff --git a/extmod/fsusermount.h b/extmod/fsusermount.h
index a25434b78..e1f26f2ce 100644
--- a/extmod/fsusermount.h
+++ b/extmod/fsusermount.h
@@ -55,6 +55,7 @@ typedef struct _fs_user_mount_t {
 } fs_user_mount_t;
 
 fs_user_mount_t *fatfs_mount_mkfs(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args, bool mkfs);
+mp_obj_t fatfs_umount(mp_obj_t bdev_or_path_in);
 
 MP_DECLARE_CONST_FUN_OBJ(fsuser_mount_obj);
 MP_DECLARE_CONST_FUN_OBJ(fsuser_umount_obj);