diff --git a/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.c b/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.c
index f8a4a8bc58..d22eb0e016 100644
--- a/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.c
+++ b/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.c
@@ -84,8 +84,7 @@ static int _free_subdir(struct tmpfs_file *dfile)
 {
     struct tmpfs_file *file;
     rt_list_t *list, *temp_list;
-
-    RT_DEFINE_SPINLOCK(lock);
+    struct tmpfs_sb *superblock;
 
     RT_ASSERT(dfile->type == TMPFS_TYPE_DIR);
 
@@ -101,9 +100,14 @@ static int _free_subdir(struct tmpfs_file *dfile)
             /* TODO: fix for rt-smart */
             rt_free(file->data);
         }
-        rt_hw_spin_lock(&lock);
+
+        superblock = file->sb;
+        RT_ASSERT(superblock != NULL);
+
+        rt_spin_lock(&superblock->lock);
         rt_list_remove(&(file->sibling));
-        rt_hw_spin_unlock(&lock);
+        rt_spin_unlock(&superblock->lock);
+
         rt_free(file);
     }
     return 0;
@@ -126,6 +130,8 @@ int dfs_tmpfs_mount(struct dfs_filesystem *fs,
     rt_list_init(&superblock->root.sibling);
     rt_list_init(&superblock->root.subdirs);
 
+    rt_spin_lock_init(&superblock->lock);
+
     fs->data = superblock;
 
     return RT_EOK;
@@ -208,8 +214,6 @@ struct tmpfs_file *dfs_tmpfs_lookup(struct tmpfs_sb  *superblock,
     struct tmpfs_file *file, *curfile;
     rt_list_t *list;
 
-    RT_DEFINE_SPINLOCK(lock);
-
     subpath = path;
     while (*subpath == '/' && *subpath)
         subpath ++;
@@ -234,7 +238,7 @@ find_subpath:
     memset(subdir_name, 0, TMPFS_NAME_MAX);
     _get_subdir(curpath, subdir_name);
 
-    rt_hw_spin_lock(&lock);
+    rt_spin_lock(&superblock->lock);
 
     rt_list_for_each(list, &curfile->subdirs)
     {
@@ -245,7 +249,7 @@ find_subpath:
             {
                 *size = file->size;
 
-                rt_hw_spin_unlock(&lock);
+                rt_spin_unlock(&superblock->lock);
                 return file;
             }
         }
@@ -254,11 +258,11 @@ find_subpath:
             *size = file->size;
             curpath = subpath;
             curfile = file;
-            rt_hw_spin_unlock(&lock);
+            rt_spin_unlock(&superblock->lock);
             goto find_subpath;
         }
     }
-    rt_hw_spin_unlock(&lock);
+    rt_spin_unlock(&superblock->lock);
     /* not found */
     return NULL;
 }
@@ -357,8 +361,6 @@ int dfs_tmpfs_open(struct dfs_file *file)
     struct dfs_filesystem *fs;
     char parent_path[DFS_PATH_MAX],file_name[TMPFS_NAME_MAX];
 
-    RT_DEFINE_SPINLOCK(lock);
-
     RT_ASSERT(file->vnode->ref_count > 0);
     if (file->vnode->ref_count > 1)
     {
@@ -419,9 +421,9 @@ int dfs_tmpfs_open(struct dfs_file *file)
             {
                 d_file->type = TMPFS_TYPE_FILE;
             }
-            rt_hw_spin_lock(&lock);
+            rt_spin_lock(&superblock->lock);
             rt_list_insert_after(&(p_file->subdirs), &(d_file->sibling));
-            rt_hw_spin_unlock(&lock);
+            rt_spin_unlock(&superblock->lock);
         }
     }
     /* Creates a new file.
@@ -559,8 +561,6 @@ int dfs_tmpfs_unlink(struct dfs_filesystem *fs, const char *path)
     struct tmpfs_sb *superblock;
     struct tmpfs_file *d_file;
 
-    RT_DEFINE_SPINLOCK(lock);
-
     superblock = (struct tmpfs_sb *)fs->data;
     RT_ASSERT(superblock != NULL);
 
@@ -568,9 +568,9 @@ int dfs_tmpfs_unlink(struct dfs_filesystem *fs, const char *path)
     if (d_file == NULL)
         return -ENOENT;
 
-    rt_hw_spin_lock(&lock);
+    rt_spin_lock(&superblock->lock);
     rt_list_remove(&(d_file->sibling));
-    rt_hw_spin_unlock(&lock);
+    rt_spin_unlock(&superblock->lock);
 
     if (d_file->data != NULL)
         rt_free(d_file->data);
@@ -588,8 +588,6 @@ int dfs_tmpfs_rename(struct dfs_filesystem *fs,
     rt_size_t size;
     char parent_path[DFS_PATH_MAX],file_name[TMPFS_NAME_MAX];
 
-    RT_DEFINE_SPINLOCK(lock);
-
     superblock = (struct tmpfs_sb *)fs->data;
     RT_ASSERT(superblock != NULL);
 
@@ -609,15 +607,15 @@ int dfs_tmpfs_rename(struct dfs_filesystem *fs,
     p_file = dfs_tmpfs_lookup(superblock, parent_path, &size);
     RT_ASSERT(p_file != NULL);
 
-    rt_hw_spin_lock(&lock);
+    rt_spin_lock(&superblock->lock);
     rt_list_remove(&(d_file->sibling));
-    rt_hw_spin_unlock(&lock);
+    rt_spin_unlock(&superblock->lock);
 
     strncpy(d_file->name, file_name, TMPFS_NAME_MAX);
 
-    rt_hw_spin_lock(&lock);
+    rt_spin_lock(&superblock->lock);
     rt_list_insert_after(&(p_file->subdirs), &(d_file->sibling));
-    rt_hw_spin_unlock(&lock);
+    rt_spin_unlock(&superblock->lock);
 
     return RT_EOK;
 }
diff --git a/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.h b/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.h
index 37911bfd1b..1c9fbbb648 100644
--- a/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.h
+++ b/components/dfs/dfs_v1/filesystems/tmpfs/dfs_tmpfs.h
@@ -39,6 +39,7 @@ struct tmpfs_sb
     struct tmpfs_file root;        /* root dir */
     rt_size_t         df_size;     /* df size */
     rt_list_t         sibling;     /* sb sibling list */
+    struct rt_spinlock lock;       /* tmpfs lock */
 };
 
 int dfs_tmpfs_init(void);
diff --git a/include/rthw.h b/include/rthw.h
index 247b4b3d2d..602866b095 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -207,8 +207,11 @@ void rt_hw_secondary_cpu_idle_exec(void);
 #define rt_hw_spin_lock(lock)     *(lock) = rt_hw_interrupt_disable()
 #define rt_hw_spin_unlock(lock)   rt_hw_interrupt_enable(*(lock))
 
-typedef int rt_spinlock_t;
-
+typedef rt_ubase_t rt_spinlock_t;
+struct rt_spinlock
+{
+    rt_spinlock_t lock;
+};
 #endif
 
 #ifdef RT_USING_CACHE