This is the actual argument displayed after typing the commands:

"$sudo gain root
root shell enabled

/home/user # umount /dev/mmcblk0p1
umount: cannot umount /dev/mmcblk0p1: Invalid argument

/home/user # fsck -af /dev/mmcblk0p1

fsck 1.41.3.maemo0 (12-Oct-2008)
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
There are differences between boot sector and its backup.
Differences: (offsetriginal/backup)
65:01/00
Copying backup to original
Cluster 2 out of range (33554432 > 442378). Setting to EOF.
Cluster 5 out of range (251658240 > 442378). Setting to EOF.
/
Contains a free cluster (2). Assuming EOF.
FAT32 root dir starts with a bad cluster!

/home/user # mount /dev/mmcblk0p1 /home/user/MyDocs
mount: mounting / /dev/mmcblk0p1 /home/user/MyDocs failed:
Input/output error"

The internal device memory was really corrupted i can't be able to access either usb mode or pc suite mode the memory and i can't save a note or take a picture because the memory is not present and can't access.