Sync dfs lwp (#8123)

components/dfs/dfs_v2/SConscript

@@ -2,20 +2,12 @@ from building import *
 import os
 
 # The set of source files associated with this SConscript file.
-src = Split('''
-src/dfs.c
-src/dfs_file.c
-src/dfs_fs.c
-src/dfs_dentry.c
-src/dfs_vnode.c
-src/dfs_mnt.c
-src/dfs_posix.c
-''')
+src = Glob('src/*.c') + Glob('src/*.cpp')
 cwd = GetCurrentDir()
 CPPPATH = [cwd + "/include"]
 
-if GetDepend('RT_USING_POSIX'):
-    src += ['src/poll.c', 'src/select.c']
+if not GetDepend('RT_USING_SMART'):
+    SrcRemove(src, ['src/dfs_file_mmap.c'])
 
 group = DefineGroup('Filesystem', src, depend = ['RT_USING_DFS', 'RT_USING_DFS_V2'], CPPPATH = CPPPATH)