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From: Tor Egge <tegge@FreeBSD.org>
Date: Thu, 9 Mar 2006 00:18:45 +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/kern vfs_subr.c src/sys/security/mac
 mac_process.c src/sys/ufs/ffs ffs_rawread.c src/sys/vm vm_contig.c
 vm_object.c vnode_pager.c
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tegge       2006-03-09 00:18:45 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_6)
    sys/kern             vfs_subr.c 
    sys/security/mac     mac_process.c 
    sys/ufs/ffs          ffs_rawread.c 
    sys/vm               vm_contig.c vm_object.c vnode_pager.c 
  Log:
  MFC: Eliminate a deadlock when creating snapshots.  Blocking
       vn_start_write() must be called without any vnode locks held.
       Remove calls to vn_start_write() and vn_finished_write() in
       vnode_pager_putpages() and add these calls before the vnode lock
       is obtained to most of the callers that don't already have them.
  
  Approved by:    re (mux)
  
  Revision    Changes    Path
  1.635.2.15  +2 -0      src/sys/kern/vfs_subr.c
  1.108.2.2   +3 -0      src/sys/security/mac/mac_process.c
  1.25.2.2    +11 -1     src/sys/ufs/ffs/ffs_rawread.c
  1.43.2.3    +3 -0      src/sys/vm/vm_contig.c
  1.349.2.3   +3 -0      src/sys/vm/vm_object.c
  1.221.2.5   +0 -2      src/sys/vm/vnode_pager.c