releases/3.14.25/nfs-don-t-try-to-reclaim-delegation-open-state-if-recovery-failed.patch

   1 From f8ebf7a8ca35dde321f0cd385fee6f1950609367 Mon Sep 17 00:00:00 2001
   2 From: Trond Myklebust <trond.myklebust@primarydata.com>
   3 Date: Fri, 17 Oct 2014 23:02:52 +0300
   4 Subject: NFS: Don't try to reclaim delegation open state if recovery failed
   5
   6 From: Trond Myklebust <trond.myklebust@primarydata.com>
   7
   8 commit f8ebf7a8ca35dde321f0cd385fee6f1950609367 upstream.
   9
  10 If state recovery failed, then we should not attempt to reclaim delegated
  11 state.
  12
  13 http://lkml.kernel.org/r/CAN-5tyHwG=Cn2Q9KsHWadewjpTTy_K26ee+UnSvHvG4192p-Xw@mail.gmail.com
  14 Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
  15 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  16
  17 ---
  18  fs/nfs/delegation.c |    2 ++
  19  1 file changed, 2 insertions(+)
  20
  21 --- a/fs/nfs/delegation.c
  22 +++ b/fs/nfs/delegation.c
  23 @@ -109,6 +109,8 @@ again:
  24                         continue;
  25                 if (!test_bit(NFS_DELEGATED_STATE, &state->flags))
  26                         continue;
  27 +               if (!nfs4_valid_open_stateid(state))
  28 +                       continue;
  29                 if (!nfs4_stateid_match(&state->stateid, stateid))
  30                         continue;
  31                 get_nfs_open_context(ctx);