[pnfs] Server sessions slot table patches

[Iyer, Rahul]

That is interesting. However this could be done while a wite is in
progress... Anyways, instead of waving my hands in the air, it would be
simpler for me to get the latest tree and look at a packet trace while
running connectathon.
Regards
Rahul



> -----Original Message-----
> From: William A. (Andy) Adamson [mailto:andros at citi.umich.edu] 
> Sent: Tuesday, April 03, 2007 12:04 PM
> To: Iyer, Rahul
> Cc: pnfs at linux-nfs.org
> Subject: Re: [pnfs] Server sessions slot table patches
> 
> 
> 
> On 4/3/07, Iyer, Rahul <Rahul.Iyer at netapp.com> wrote:
> 
> 	The reason the client uses slot 0 is because most of the ops are
> 	serialized, and connectathon is single threaded. The 
> part where it goes
> 	to using slots > 1 is on writes because these can 
> happen in parallel.
> 
> 
> 
> actually,  the slot 1 compounds were
> 
> mostly
> PUTFH
> GETATTR
> 
> but these are probably retries - they were all for the same filehandle
> 
> one
> PUTFH
> SETATTR
> GETATTR
> 
> all the WRITES were on slot 0 
> 
> 
> -->Andy
> 
> 
> 
> 	As for whether it's the client or the server, it should 
> be fairly simple 
> 	to find out. I can do that once (a reviewed form of) 
> these patches gets
> 	into the tree.
> 
> 	Regards
> 	Rahul
> 	
> 	
> 	> -----Original Message-----
> 	> From: William A. (Andy) Adamson [mailto:andros at citi.umich.edu]
> 	> Sent: Tuesday, April 03, 2007 6:43 AM
> 	> To: pnfs at linux-nfs.org
> 	> Subject: [pnfs] Server sessions slot table patches
> 	>
> 	> hi
> 	>
> 	> here are 9 patches that implement the server slot table
> 	> management. there is not DRC yet, but this code has been
> 	> developed with the DRC in mind. This code almost passes the
> 	> connectathon tests on the 4.1-sessions branch with the client
> 	> patches i just sent out. 
> 	>
> 	> it fails the general connectathon tests with an
> 	> NFS4ERR_SEQ_MISORDERED. i note that the client mostly uses
> 	> slot 0, and occasionally uses slot 1. the slot 1 sequence is
> 	> out of order - i don't know if it is the client or server. 
> 	>
> 	> please review the patches...
> 	>
> 	> thanks
> 	>
> 	> -->Andy
> 	>
> 	>
> 	
> 	
> 
> 
>