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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 7 Nov 2006 16:56:11 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: RELENG_6
Cc: 
Subject: cvs commit: src/sys/ufs/ffs ffs_inode.c ffs_snapshot.c ffs_vnops.c
 src/sys/ufs/ufs inode.h ufs_vnops.c
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kib         2006-11-07 16:56:11 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/ufs/ffs          ffs_inode.c ffs_snapshot.c ffs_vnops.c 
    sys/ufs/ufs          inode.h ufs_vnops.c 
  Log:
  MFC
  sys/ufs/ffs/ffs_inode.c rev. 1.107
  sys/ufs/ffs/ffs_snapshot.c rev. 1.131
  sys/ufs/ffs/ffs_vnops.c rev. 1.161
  sys/ufs/ufs/inode.h rev. 1.51
  sys/ufs/ufs/ufs_vnops.c rev. 1.280
  
  Do not translate the IN_ACCESS inode flag into the IN_MODIFIED while filesystem
  is suspending/suspended. Doing so may result in deadlock. Instead, set the
  (new) IN_LAZYACCESS flag, that becomes IN_MODIFIED when suspend is lifted.
  
  Change the locking protocol in order to set the IN_ACCESS and timestamps
  without upgrading shared vnode lock to exclusive (see comments in the
  inode.h). Before that, inode was modified while holding only shared
  lock.
  
  Tested on RELENG_6 by:  Peter Holm
  Approved by:    re (kensmith)
  
  Revision    Changes    Path
  1.106.2.1   +7 -5      src/sys/ufs/ffs/ffs_inode.c
  1.103.2.21  +18 -6     src/sys/ufs/ffs/ffs_snapshot.c
  1.157.2.4   +8 -2      src/sys/ufs/ffs/ffs_vnops.c
  1.49.2.1    +9 -0      src/sys/ufs/ufs/inode.h
  1.271.2.7   +47 -21    src/sys/ufs/ufs/ufs_vnops.c