can't open /dev/nftla1 (kernel 2.2.14)

[jyllyj]

hello friend,
    I compile MTD into kernel 2.2.14.at begin .i can deal with /dev/nftla
(fdisk mount...).
but when i copy some file into it
like it
mount -t ext2 /dev/nftla1 /mnt
cp somefile /mnt
umount /mnt
reboot
now i can't fdisk /dev/nftla1 .it show me that can't open /dev/nftla1
why?


regards.
    jiang yue long






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