[linux-cifs-client] CIFS client leaving cifs???? files

[Mark Buechler]

So, I take it this is by design?

- Mark.

On 12/18/06, Jeremy Allison <jra at samba.org> 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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