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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Tue, 14 Dec 2010 13:45:57 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/fs/nfsserver nfs_nfsdstate.c
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rmacklem    2010-12-14 13:45:57 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/fs/nfsserver     nfs_nfsdstate.c 
  Log:
  SVN rev 216430 on 2010-12-14 13:45:57Z by rmacklem
  
  MFC: r216330
  Disable attempts to establish a callback connection from the
  experimental NFSv4 server to a NFSv4 client when delegations are not
  being issued, even if the client advertises a callback path.
  This avoids a problem where a Linux client advertises a
  callback path that doesn't work, due to a firewall, and then
  times out an Open attempt before the FreeBSD server gives up
  its callback connection attempt. (Suggested by
  drb at karlov.mff.cuni.cz.) The server should probably have
  a 1sec timeout on callback connection attempts when there are
  no delegations issued to the client, but that patch will require
  changes to the krpc and this serves as a work around until then.
  
  Tested by:      drb at karlov.mff.cuni.cz
  Approved by:    re (kib)
  
  Revision   Changes    Path
  1.10.2.15  +13 -5     src/sys/fs/nfsserver/nfs_nfsdstate.c