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Date:      Sun, 17 Dec 2000 15:57:05 -0800 (PST)
From:      Matt Dillon <dillon@FreeBSD.org>
To:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   cvs commit: src/sys/ufs/ufs ufs_readwrite.c src/sys/gnu/ext2fs ext2_readwrite.c
Message-ID:  <200012172357.eBHNv5F65097@freefall.freebsd.org>
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dillon      2000/12/17 15:57:05 PST

  Modified files:
    sys/ufs/ufs          ufs_readwrite.c 
    sys/gnu/ext2fs       ext2_readwrite.c 
  Log:
  Avoid a data-consistency race between write() and mmap()
  by ensuring that newly allocated blocks are zerod.  The
  race can occur even in the case where the write covers
  the entire block.
  
  Reported by: Sven Berkvens <sven@berkvens.net>, Marc Olzheim <zlo@zlo.nu>
  
  Revision  Changes    Path
  1.72      +10 -1     src/sys/ufs/ufs/ufs_readwrite.c
  1.20      +10 -1     src/sys/gnu/ext2fs/ext2_readwrite.c



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