On Wednesday 24 June 2009 00:17:28 yonathana wodeselia wrote:
> Dear All,
>              I have a yaffs based root filesystem which works
> perfectly. The concern is that if i am using yaffs as the rootfs ,
> poweroff/halt/reboot wont umount the
> rootfs and says it is busy. After the reboot this unclean reboot adds
> a 8 second delay mounting the yaffs rootfs. On the other hand if i
> boot into an alternate rootfs , mount original yaffs rootfs , umount
> original yaffs rootfs and reboot into the  original rootfs then i dont
> see the 8 second delay . I assume this is because of checkpointing ?
> How can i avoid this 8 seconds delay ? Is using a initrd the only way
> to be able to cleanly umount the yaffs partition? Is umounting very
> critical ? Please shed some pointers on how to efficiently use yaffs
> as a rootfs.

Try to use sync instead and see if that helps.

Charles