hello all: i now work on a mips board, and want to store my system code on NAND Flash. our Flash driver can handle the Flash features(bad block, phy to logic addr, spare,etc.), so i just want to select a journal filesystem to handle sudden poweroff. Our system code(writeable) is about 10M~50M. i am not sure what journal filesystem will be suitable, ext3,xfs,jfs,or reiserFS? i have try ext3, it runs well, but seems to waste too much space while mkfs.ext3.