1. 27 May, 2012 1 commit
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  8. 19 May, 2012 1 commit
    • Andy Adamson's avatar
      NFSv4.1 resend LAYOUTGET on data server invalid layout errors · 041245c8
      Andy Adamson authored
      The "invalid layout" class of errors is handled by destroying the layout and
      getting a new layout from the server.  Currently, the layout must be
      destroyed before a new layout can be obtained.
      
      This means that all references (e.g.lsegs) to the "to be destroyed" layout
      header must be dropped before it can be destroyed. This in turn means waiting
      for all in flight RPC's using the old layout as well as draining the data
      server session slot table wait queue.
      
      Set the NFS_LAYOUT_INVALID flag to redirect I/O to the MDS while waiting for
      the old layout to be destroyed.
      Signed-off-by: default avatarAndy Adamson <andros@netapp.com>
      Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
      041245c8