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From: Gregory Giguashvili <Gregoryg@ParadigmGeo.com>
To: "'Jesse Pollard'" <pollard@tomcat.admin.navo.hpc.mil>,
	"'trond.myklebust@fys.uio.no'" <trond.myklebust@fys.uio.no>
Cc: "Linux Kernel (E-mail)" <linux-kernel@vger.kernel.org>
Subject: RE: O_SYNC option doesn't work (2.4.18-3)
Date: Wed, 7 Aug 2002 21:30:04 +0200	[thread overview]
Message-ID: <EE83E551E08D1D43AD52D50B9F511092E114E4@ntserver2> (raw)

>Only file level locking is permitted. You can only open the 
>file IF you get
>the lock. And be sure to close the file before releasing the 
>lock. Make sure
>that all accesses to the file use the SAME lock technique.
You need a file descriptor to lock the file, don't you? That's assuming that
you intend to use lockd locking.

>We just don't mix multiple client access to the same file, unless everybody

>is only reading that file.
When the writer closes the file, how do you make the readers see the latest
changes (assuming that you always open/close files per transaction type).

Thanks a lot.
Giga

             reply	other threads:[~2002-08-07 18:29 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-07 19:30 Gregory Giguashvili [this message]
2002-08-08 13:42 ` Trond Myklebust
  -- strict thread matches above, loose matches on Subject: below --
2002-08-08 14:57 Gregory Giguashvili
2002-08-08 15:37 ` Daniel Forrest
2002-08-08 13:48 Jesse Pollard
     [not found] <fa.jepn5rv.uiqrqe@ifi.uio.no>
     [not found] ` <fa.gkqj0av.c661ad@ifi.uio.no>
2002-08-08  7:11   ` Giacomo Catenazzi
2002-08-08  8:06     ` Willy Tarreau
2002-08-08 12:36       ` Alan Cox
2002-08-07 20:48 Jesse Pollard
2002-08-08 10:07 ` Martin Brulisauer
2002-08-07 19:24 Gregory Giguashvili
2002-08-07 19:38 ` Trond Myklebust
2002-08-07 21:55 ` Alan Cox
2002-08-07 18:54 Gregory Giguashvili
2002-08-07 18:13 ` Trond Myklebust
2002-08-07 18:39 Gregory Giguashvili
2002-08-07 17:43 ` Trond Myklebust
2002-08-07 18:15 Jesse Pollard
2002-08-07 17:31 Gregory Giguashvili
2002-08-07 17:19 ` Trond Myklebust
2002-08-07 17:24 Gregory Giguashvili
2002-08-07 16:31 ` Trond Myklebust
2002-08-07 17:17 Gregory Giguashvili
2002-08-07 16:24 ` Trond Myklebust
2002-08-07 20:20   ` Benjamin LaHaise

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