config FS_VFS bool "Enable VFS" default y help Answer Y to enable LiteOS support virtual filesystem. config FS_VFS_BLOCK_DEVICE bool "Enable Block DEVICE" default n depends on FS_VFS help Answer Y to enable LiteOS support read/open/seek/write block device. config FILE_MODE bool "Enable FILE MODE" default y depends on FS_VFS help Answer Y to enable LiteOS support file mode. config ENABLE_READ_BUFFER bool "Enable read buffer Option" default n depends on FS_VFS help Answer Y to add enable read buffer Option. config MAX_VNODE_SIZE int "Vnode max number" range 0 512 default 512 depends on FS_VFS help vnode number, range from 0 to 512. config MAX_PATH_CACHE_SIZE int "PathCache max number" range 0 1024 default 512 depends on FS_VFS help pathCache number, range from 0 to 1024.