This is indeed a yaffs issue.

I was alerted to it yesterday and intend to look at it in depth today.

Reagrds

-- CHarles

On Thursday 21 May 2009 15:37:17 SHAM - 沈立刚 wrote:
> I got a question in the android emulator which use Yaffs2 file system:
>
> When I create or delete a file in a directory, the mtime and ctime of
> the directoy do not change. This issue does not appear in other
> filesystems.
>
> # cd /data
> #
> # mkdir test
> # /data/busybox stat test
>   File: "test"
>   Size: 2048      	Blocks: 4          IO Block: 4096   directory
> Device: 1f01h/7937d	Inode: 551         Links: 1
> Access: (0777/drwxrwxrwx)  Uid: (    0/ UNKNOWN)   Gid: (    0/ UNKNOWN)
> Access: 2009-05-21 03:22:21.000000000
> Modify: 2009-05-21 03:22:21.000000000
> Change: 2009-05-21 03:22:21.000000000
>
> # cd test
> # /data/busybox touch aaa
> # /data/busybox stat aaa
>   File: "aaa"
>   Size: 0         	Blocks: 0          IO Block: 4096   regular empty file
> Device: 1f01h/7937d	Inode: 561         Links: 1
> Access: (0666/-rw-rw-rw-)  Uid: (    0/ UNKNOWN)   Gid: (    0/ UNKNOWN)
> Access: 2009-05-21 03:23:15.000000000
> Modify: 2009-05-21 03:23:15.000000000
> Change: 2009-05-21 03:23:15.000000000
>
> # cd ..
> # /data/busybox stat test
>   File: "test"
>   Size: 2048      	Blocks: 4          IO Block: 4096   directory
> Device: 1f01h/7937d	Inode: 551         Links: 1
> Access: (0777/drwxrwxrwx)  Uid: (    0/ UNKNOWN)   Gid: (    0/ UNKNOWN)
> Access: 2009-05-21 03:22:21.000000000
> Modify: 2009-05-21 03:22:21.000000000
> Change: 2009-05-21 03:22:21.000000000
>
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