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From: Martin Matuska <mm@FreeBSD.org>
Date: Sat, 13 Nov 2010 21:09:18 +0000 (UTC)
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Subject: cvs commit: src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs
	zfs_vfsops.c
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mm          2010-11-13 21:09:18 UTC

  FreeBSD src repository

  Modified files:
    sys/cddl/contrib/opensolaris/uts/common/fs/zfs zfs_vfsops.c 
  Log:
  SVN rev 215260 on 2010-11-13 21:09:18Z by mm
  
  Disable VFS_HOLD placed on mnt_vnodecovered during the mount of a snapshot
  and VFS_RELE on a non-existing hold on snapshot parent's z_vfs.
  
  This disables the changes from OpenSolaris onnv-revision 9234:bffdc4fc05c4
  (bug IDs: 6792139, 6794830) - not applicable to FreeBSD.
  
  This fixes the process hang if umounting a manually mounted snapshot.
  
  Reported by:    Alexander Zagrebin <alexz@visp.ru>
  Approved by:    delphij (mentor)
  MFC after:      1 week
  
  Revision  Changes    Path
  1.45      +4 -0      src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vfsops.c