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Date: Thu, 8 Jul 2004 03:10:05 GMT
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From: KOIE Hidetaka (=?iso-2022-jp?B?GyRCOHE5PjFRTjQhdz90TX01OzgmGyhC?=)
	<koie@suri.co.jp>
Subject: Re: kern/68690: write(2) returns wrong vlalue when EFAULT 
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The following reply was made to PR kern/68690; it has been noted by GNATS.

From: KOIE Hidetaka (=?iso-2022-jp?B?GyRCOHE5PjFRTjQhdz90TX01OzgmGyhC?=) <koie@suri.co.jp>
To: bde@zeta.org.au
Cc: freebsd-gnats-submit@FreeBSD.org, freebsd-bugs@FreeBSD.org
Subject: Re: kern/68690: write(2) returns wrong vlalue when EFAULT 
Date: Thu, 08 Jul 2004 12:07:56 +0900 (JST)

 Thanks for your inspection.
 
   Message-Id: <20040707172014.C3185@gamplex.bde.org>
   Date:       Wed, 7 Jul 2004 18:23:57 +1000 (EST)
   From:       Bruce Evans <bde@zeta.org.au>
   Subject:    Re: kern/68690: write(2) returns wrong vlalue when EFAUL..
 
   | Do you actually see the file pointer advanced?  This may be file system
   | dependent.  ffs is supposed to back out of the write, and it does so
   | for me.  Output:
   | 
   | %%%
   | pos=0
   | write(20480)->-1 (should be 12288)
   | write: Bad address
   | pos=0 (should be 12288)
   | %%%
 
 I was unaware of examining on NFS.
 %%%
 pos=0
 write(20480)->-1 (should be 12288)
 write: Bad address
 pos=8192 (should be 12288)
 %%%
 
 The file pointer is not backed.
 
 
   | > >Fix:
 
 I understand some problems exist.
 
 --
 KOIE Hidetaka / koie@suri.co.jp / SURIGIKEN Co.,LTD.