Re: CIFS client leaving cifs???? files

So, I take it this is by design?

- Mark.

On 12/18/06, Jeremy Allison <jra@xxxxxxxxx> wrote:

On Mon, Dec 18, 2006 at 03:24:28PM -0500, Mark Buechler wrote:
> I'm running samba v3.0.23c and the latest cifs kernel module on my cifs
> client. I'm mounting my samba share on my client with "-o direct". I'm
> seeing something odd with regard to unlinking open files. I run MythTV. When
> Myth deletes a recording, rather than doing a straight unlink it does the
> following:
>
> 1. Open file
> 2. Gradually truncate the file
> 3. When the file gets below a certain file size, unlink it
> 4. Close file
>
> This behavior has a side effect of leaving the truncated files hanging
> around but renamed as cifs??? files. Ie:

Hmmm. Steve - how about using the CIFS UNIX call SMB_SET_FILE_UNIX_BASIC
(trans2 call info level 0x200) with a st_nlink count of zero and a
file type of UNIX_TYPE_FILE (0) to unlink a file ? That way would
work for open files without having to invent a new UNIX_unlink
call ? Currently st_nlink of zero is used in a "special" way
to do mknod calls so there is precedence for this ?

What do you think ?

Jeremy.

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