config QNX4FS_FS tristate "QNX4 file system support (read only)" depends on BLOCK help This is the file system used by the real-time operating systems QNX 4 and QNX 6 (the latter is also called QNX RTP). Further information is available at <http://www.qnx.com/>. Say Y if you intend to mount QNX hard disks or floppies. Unless you say Y to "QNX4FS read-write support" below, you will only be able to read these file systems. To compile this file system support as a module, choose M here: the module will be called qnx4. If you don't know whether you need it, then you don't need it: answer N. config QNX4FS_RW bool "QNX4FS write support (DANGEROUS)" depends on QNX4FS_FS && EXPERIMENTAL && BROKEN help Say Y if you want to test write support for QNX4 file systems. It's currently broken, so for now: answer N.