zhuzhenhua wrote: > if in my product based ide disk, i want to it to support the > u-disk(with vfat fs), and can i set the root fs as vfat too? > if use vfat as rootfs, what's disadvantage of the selection? > See these threads, 'Posix file attribute support on VFAT', which disscusses using VFAT for a root fs: http://lkml.org/lkml/2005/8/8/76 http://lkml.org/lkml/2005/8/8/326 -Geoff