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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Sun, 29 May 2011 21:13:53 +0000 (UTC)
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Subject: cvs commit: src/sbin/umount umount.c
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rmacklem    2011-05-29 21:13:53 UTC

  FreeBSD src repository

  Modified files:
    sbin/umount          umount.c 
  Log:
  SVN rev 222466 on 2011-05-29 21:13:53Z by rmacklem
  
  Modify the umount(8) command so that it doesn't do
  a sync(2) syscall before unmount(2) for the "-f" case.
  This avoids a forced dismount from getting stuck for
  an NFS mountpoint in sync() when the server is not
  responsive. With this commit, forced dismounts should
  normally work for the NFS clients, but can take up to
  about 1minute to complete.
  
  PR:             kern/157365
  Reviewed by:    kib
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.51      +4 -3      src/sbin/umount/umount.c