Knowing in the VFS when we are dealing with different SMB requests ...

[Volker Lendecke]

On Tue, Jan 08, 2013 at 09:47:06AM -0800, Richard Sharpe wrote:
> Hi folks,
> 
> We think that we would like to know in our VFS when Samba is
> processing a different SMB than the last one. This will allow us to
> throw away any cached info.
> 
> It seems that there are two ways to do this:
> 
> 1. Introduce a VFS function saying something like Next Request and its
> MID is XXX, or,
> 
> 2. Pass the MID into each VFS call somehow ...
> 
> The problem I have with the first approach is that AIO and tevent has
> the potential to make it impossible to reliably know which request you
> are dealing with.
> 
> Does anyone have any suggestions?

I would like to know what exact information it is that you
want to throw away. SMB requests are usually very, very
short-lived and caching, so I am surprised there is real
need to cache something while a single SMB is handled.

With best regards,

Volker Lendecke

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