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Date:      Thu, 4 Jan 2007 17:39:17 +0000 (UTC)
From:      Konstantin Belousov <kib@FreeBSD.org>
To:        src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   cvs commit: src/sys/dev/md md.c
Message-ID:  <200701041739.l04HdHSO079990@repoman.freebsd.org>

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kib         2007-01-04 17:39:17 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/dev/md           md.c 
  Log:
  MFC of rev. 1.164:
  
  - Conditionally acquire Giant in mdstart_vnode(), mdcreate_vnode(), and
    mddestroy() only if the file is from a non-MPSAFE fs.
  There, to accommodate for the vn_open() difference with HEAD, use
  VFS_LOCK_GIANT after vn_open (since vn_open(..., -1) assumes caller is not
  MP-safe).
  - No longer unconditionally hold Giant in the md kthread for vnode-backed
    kthreads.
  - Improve the handling of the thread exit race when destroying an md
    device.
  
  No objections from:     jhb
  
  Revision   Changes    Path
  1.153.2.7  +22 -28    src/sys/dev/md/md.c



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