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From: "Siseci" <siseci@postmark.net>
To: <linux-kernel@vger.kernel.org>
Subject: 2.6.x mount /dev/ram0 problem. 
Date: Mon, 29 Mar 2004 18:34:01 +0300
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Hi.
I have a problem about ramdisk.
Kernel version: 2.6.3 and 2.6.4

root@fen:~# dd if=/dev/zero of=/dev/ram0 bs=1024 count=2048
2048+0 records in
2048+0 records out
root@fen:~# mke2fs /dev/ram0
mke2fs 1.18, 11-Nov-1999 for EXT2 FS 0.5b, 95/08/09
Filesystem label=
....

root@fen:~# mount /dev/ram0 /mnt
root@fen:~# ls -al /mnt
total 17
drwxr-xr-x   3 root     root         1024 Mar 29 20:28 ./
drwxr-xr-x  22 root     root         4096 Dec 16 02:28 ../
drwxr-xr-x   2 root     root        12288 Mar 29 20:28 lost+found/

root@fen:/mnt# echo test > /mnt/test
root@fen:/mnt# ls -al /mnt
total 18
drwxr-xr-x   3 root     root         1024 Mar 29 20:29 ./
drwxr-xr-x  22 root     root         4096 Dec 16 02:28 ../
drwxr-xr-x   2 root     root        12288 Mar 29 20:28 lost+found/
-rw-r--r--   1 root     root            5 Mar 29 20:29 test
root@fen:~# umount /mnt
root@fen:~# mount /dev/ram0 /mnt
root@fen:~# ls -al /mnt
total 17
drwxr-xr-x   3 root     root         1024 Mar 29 20:28 ./
drwxr-xr-x  22 root     root         4096 Dec 16 02:28 ../
drwxr-xr-x   2 root     root        12288 Mar 29 20:28 lost+found/

My test file does not appear on /mnt.
This was working with 2.4 kernels
i think the problem is related with 2.6 kernels
What is the problem?