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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Mark Price <mkprice@us.ibm.com>
Cc: nfs@lists.sourceforge.net
Subject: Re: wsize & PAGE_SIZE issues on IA64 clients.
Date: 28 Mar 2003 00:57:43 +0100	[thread overview]
Message-ID: <shsr88sl5vs.fsf@charged.uio.no> (raw)
In-Reply-To: <Pine.LNX.4.44.0303271219410.2496-100000@mprice-laptop.beaverton.ibm.com>

>>>>> " " == Mark Price <mkprice@us.ibm.com> writes:

     > Can someone give me rough explanation of why that logic is
     > used? ie. Why the page is written synchronously if its smaller
     > than the page size? and Why even when its written synchronously
     > the wsize wasn't used, but the remote filesystems block size
     > was used?

  1) Because in order to write asynchronously you would have to have
     more than 1 outstanding request per page. The locking models all
     assume only 1 request / page.
  2) 'cos the servers get upset if we deliberately allow you to do
     things that violate the protocol.

Cheers,
  Trond


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  reply	other threads:[~2003-03-27 23:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-27 21:24 wsize & PAGE_SIZE issues on IA64 clients Mark Price
2003-03-27 23:57 ` Trond Myklebust [this message]
2003-03-31 19:09 ` Greg Lindahl
  -- strict thread matches above, loose matches on Subject: below --
2003-03-28  0:01 Lever, Charles
2003-03-31 23:25 Lever, Charles
2003-03-31 23:46 ` Mark Price
2003-04-01  5:48   ` Trond Myklebust
2003-04-01  6:11     ` Mark Price
2003-04-01  6:25       ` Trond Myklebust

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