[Yaffs-archive] Fw: cannot see files in yaffs image
Skumar
skumar@mistralsoftware.com
Fri, 3 Jan 2003 15:07:14 +0530
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Hello,
i have created yaffs image on host(x86) as follows.
as you can see the image has 4 files erase eraseall nanddump test.c
[skumar@embedded_linux skumar]$ cd del =20
[skumar@embedded_linux del]$ ls
erase eraseall nanddump test.c
[skumar@embedded_linux del]$ cd ..
[skumar@embedded_linux skumar]$ ./mkyaffsimage del/ tmp/yaffs.image
mkyaffsimage: image building tool for YAFFS built Oct 4 2002
Processing directory del/ into image file tmp/yaffs.image
Object 257, del//erase is a file, 28 data chunks written
Object 258, del//test.c is a file, 1 data chunks written
Object 259, del//eraseall is a file, 29 data chunks written
Object 260, del//nanddump is a file, 29 data chunks written
Operation complete.
4 objects in 1 directories
92 NAND pages
[skumar@embedded_linux skumar]$=20
i have put the yaffs.image in the ramdisk, booted linux on board & run =
the following
Mistral
Linux login: root
[root@Linux /root]$ls
dialogue.mp3 Hello_448.pcm sound_arm record testioctl
yaffs.image
[root@Linux /root]$cp yaffs.image /dev/mtd7
MTD_open
MTD_write
MTD_write
MTD_write
MTD_write
MTD_write
MTD_write
MTD_close
[root@Linux /root]$cd ..
[root@Linux /]$mount -t yaffs /dev/mtdblock7 tmp
yaffs: dev is 7943 name is "1f:07"
yaffs_read_super: MTD block size 4096
yaffs: Attempting MTD mount on 31.7, "1f:07"
erase c00b2ac0
read c00b2748
write c00b2898
readoob c00b27f0
writeoob c00b2950
oobblock 200
oobsize 10
yaffs_read_super: guts initialised
yaffs_read_super: got root inode
yaffs_read_super: d_alloc_root done
yaffs_read_super: done
[root@Linux /]$cd tmp
[root@Linux /tmp]$ls
yaffs_readdir: starting at 0
yaffs_readdir: starting at 3
yaffs_readdir: starting at 0
yaffs_readdir: starting at 3
lost+found
[root@Linux /tmp]$
[root@Linux /tmp]$ls -la
yaffs_readdir: starting at 0
yaffs_readdir: starting at 3
yaffs_readdir: starting at 0
drw-rw-rw- 1 root root 512 Jan 1 00:01 .
drwxr-yar-x 14 5f0 500 1f24 Aug 7 2002 ..
s_readdir: starting at 3
drw-rw-rw- 1 root root 512 Jan 1 00:01 lost+found
as you can see when i do ls i cannot any of the files except lost+found
why is it like this?
Regards=20
sharath
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<DIV><STRONG><FONT face=3DArial size=3D2>Hello,</FONT></STRONG></DIV>
<DIV><STRONG><FONT face=3DArial size=3D2>i have created yaffs image on =
host(x86) as=20
follows.</FONT></STRONG></DIV>
<DIV><STRONG><FONT face=3DArial size=3D2>as you can see the image has 4 =
files=20
erase eraseall nanddump =
test.c<BR></FONT></STRONG></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>[skumar@embedded_linux skumar]$ cd=20
del =
<BR>[skumar@embedded_linux=20
del]$ ls<BR>erase eraseall nanddump =20
test.c<BR>[skumar@embedded_linux del]$ cd ..<BR>[skumar@embedded_linux =
skumar]$=20
./mkyaffsimage del/ tmp/yaffs.image<BR>mkyaffsimage: image building tool =
for=20
YAFFS built Oct 4 2002<BR>Processing directory del/ into image =
file=20
tmp/yaffs.image<BR>Object 257, del//erase is a file, 28 data chunks=20
written<BR>Object 258, del//test.c is a file, 1 data chunks =
written<BR>Object=20
259, del//eraseall is a file, 29 data chunks written<BR>Object 260,=20
del//nanddump is a file, 29 data chunks written<BR>Operation =
complete.<BR>4=20
objects in 1 directories<BR>92 NAND pages<BR>[skumar@embedded_linux =
skumar]$=20
</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>i have put the yaffs.image in =
the ramdisk,=20
booted linux on board & run the following</STRONG></FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Mistral<BR>Linux login: =
root<BR>[root@Linux=20
/root]$ls<BR>dialogue.mp3 Hello_448.pcm =20
sound_arm =20
record =20
testioctl<BR>yaffs.image<BR>[root@Linux /root]$cp yaffs.image=20
/dev/mtd7<BR>MTD_open</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>MTD_write</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>MTD_write</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>MTD_write</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>MTD_write</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>MTD_write</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>MTD_write</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>MTD_close</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>[root@Linux /root]$cd ..<BR>[root@Linux =
/]$mount -t=20
yaffs /dev/mtdblock7 tmp<BR>yaffs: dev is 7943 name is =
"1f:07"</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_read_super: MTD block size =
4096</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs: Attempting MTD mount on 31.7,=20
"1f:07"</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> erase c00b2ac0</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> read c00b2748</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> write c00b2898</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> readoob c00b27f0</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> writeoob c00b2950</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> oobblock 200</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2> oobsize 10</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_read_super: guts =
initialised</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_read_super: got root =
inode</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_read_super: d_alloc_root =
done</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_read_super: done</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>[root@Linux /]$cd tmp<BR>[root@Linux=20
/tmp]$ls<BR>yaffs_readdir: starting at 0</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_readdir: starting at =
3</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_readdir: starting at =
0</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_readdir: starting at =
3</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>lost+found<BR>[root@Linux =
/tmp]$</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>[root@Linux /tmp]$ls =
-la<BR>yaffs_readdir: starting=20
at 0</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_readdir: starting at =
3</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>yaffs_readdir: starting at =
0</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>drw-rw-rw- 1=20
root =20
root 512 Jan 1 =
00:01=20
.<BR>drwxr-yar-x 14 =20
5f0 500 1f24 Aug =
7 =20
2002 ..<BR>s_readdir: starting at 3</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>drw-rw-rw- 1=20
root =20
root 512 Jan 1 =
00:01=20
lost+found</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>as you can see when i do ls i =
cannot any of=20
the files except lost+found</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>why is it like =
this?</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Regards </FONT></DIV>
<DIV><FONT face=3DArial size=3D2>sharath</FONT></DIV></BODY></HTML>
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