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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