Re: more on NFS performance

[Andi Kleen <ak@xxxxxxx>]

On Tue, Mar 06, 2001 at 11:00:41AM -0600, Steve Lord wrote:
> 
> Hi,
> 
> Is anyone on the list NFS savvy? I need a way from the filp or dentry of
> telling that a write came from the NFS server, and I cannot really look
> at the ops field in the dentry, since NFS built as a module will mess this up.
> 
> I was hoping for some flag or something which I can use to test for this
> from within xfs, currently I am doing a strcmp on the task name - which is
> not something I want to do really.

There isn't a clean way currently AFAIK, but I guess a flag (O_MORE?) could 
be set in nfsd_open() in the filp.   I guess it would be something similar 
to MSG_MORE to turn off the early truncation? If you do that, don't you need a 
timer to do the truncation later?


-Andi