On Thu, Jun 21, 2007 at 04:40:55PM +0800, LIOU Payphone wrote:
>
> my problem :
First of all, what version of e2fsprogs and kernel are you using?n
> (1) when i want to format /dev/sda1 to be ext3-filesystem, i set
> "s_def_hash_version" of "struct ext3_super_block" to be "DX_HASH_LEGACY".
> when the filesystem was formatted successfully, i mounted it under a
> directory named "/mnt".
How did you set the s_def_hash_version? Were you using debugfs?
And did you turn on the dir_index feature?
With recent versions of e2fsprogs the dir_index feature is enabled
default, with DX_HASH_TEA as the default.
> (2) subsequently, i created 40000 empty regular-files under "/mnt" named
> from "0" to "39999".
> (3) then , "ls -li /mnt" was executed; i saw a puzzling thing : there are
> two indentical entries of the directory named "mnt"! both inode->i_ino and
> filename are in the same.
Huh? What do you mean by that? Are you seeing two entries named
"mnt" in the /mnt directory? I wasn't able to reproduce this.
> 32203 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 24010
> 32204 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 24011
> 32205 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 24012
> 32206 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 24013
> 32207 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 24014
> 32208 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 24015
> 32209 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 24016
> 33220 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:37 25027
> 3220 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:31 3090
> 3350 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:31 3220
> 3350 -rwxrwxrwx 1 liupf liupf 0 Jun 14 11:31 3220
You didn't list any "mnt" entries above. So I don't know what you saw.
- Ted
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