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From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 20 Sep 2010 19:59:08 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_7
Subject: cvs commit: src/sys/nfs4client nfs4_vnops.c src/sys/nfsclient
 nfs_vnops.c nfsnode.h
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jhb         2010-09-20 19:59:08 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/nfs4client       nfs4_vnops.c 
    sys/nfsclient        nfs_vnops.c nfsnode.h 
  Log:
  SVN rev 212930 on 2010-09-20 19:59:08Z by jhb
  
  MFC 212293:
  Store the full timestamp when caching timestamps of files and
  directories for purposes of validating name cache entries.  This
  closes races where two updates to a file or directory within the same
  second could result in stale entries in the name cache.
  
  To preserve the ABI of 'struct nfsnode', the existing timestamp fields
  are left with 'n_unusedX' placeholders along with the unused 'n_expiry'
  field.  The larger n_ctime and n_dmtime fields are added to the end of
  the structure.
  
  Revision    Changes    Path
  1.37.2.3    +3 -3      src/sys/nfs4client/nfs4_vnops.c
  1.276.2.15  +13 -10    src/sys/nfsclient/nfs_vnops.c
  1.60.2.6    +5 -3      src/sys/nfsclient/nfsnode.h