1DESCRIPTION="bounce I/O in unix_io" 2DUMPE2FS_IGNORE_80COL=1 3export DUMPE2FS_IGNORE_80COL 4UNIX_IO_FORCE_BOUNCE=yes 5export UNIX_IO_FORCE_BOUNCE 6FS_SIZE=65536 7. $cmd_dir/run_mke2fs 8unset DUMPE2FS_IGNORE_80COL 9unset UNIX_IO_FORCE_BOUNCE 10