1config FS_VFS 2 bool "Enable VFS" 3 default y 4 5 help 6 Answer Y to enable LiteOS support virtual filesystem. 7 8config FS_VFS_BLOCK_DEVICE 9 bool "Enable Block DEVICE" 10 default n 11 depends on FS_VFS 12 help 13 Answer Y to enable LiteOS support read/open/seek/write block device. 14 15config FILE_MODE 16 bool "Enable FILE MODE" 17 default y 18 depends on FS_VFS 19 help 20 Answer Y to enable LiteOS support file mode. 21