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From: Poul-Henning Kamp <phk@FreeBSD.org>
Date: Wed, 2 Jan 2008 20:33:54 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/dev/ata ata-disk.c
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phk         2008-01-02 20:33:54 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/ata          ata-disk.c 
  Log:
  If the disk reports that it support the Compact Flash Association command
  set, announce BIO_DELETE capability and issue ATA_CFA_ERASE when we get one.
  
  Once we issue more BIO_DELETE, this will improve lifetime, and
  possibly write speed of Flash based devices which have usable flash
  adaptation layers.
  
  For now, about the only usage is the newfs(1) -E flag.
  
  Approved by:    sos
  
  Revision  Changes    Path
  1.206     +9 -0      src/sys/dev/ata/ata-disk.c