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From: Peter Edwards <peadar@FreeBSD.org>
Date: Tue, 6 Jul 2004 23:40:40 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/kern vfs_bio.c
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peadar      2004-07-06 23:40:40 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             vfs_bio.c 
  Log:
  Fix bug introduced in rev 1.434:
  
  When avoiding the zeroing of "bogus_page" when it appears in a buf,
  be sure to advance the pointers into the data for successive pages.
  
  The bug caused file corruption when read(2)ing from a "hole" in a
  file where a previous page of the read block had already been faulted
  in: fsx tripped up on this pretty quickly. The particular access
  pattern is probably pretty unusual, so other applications probably
  wouldn't have had problems, but you'd never know.
  
  Reviewed By: alc@
  
  Revision  Changes    Path
  1.441     +3 -3      src/sys/kern/vfs_bio.c