[PATCH 3.10 36/70] NFS: Dont try to reclaim delegation open state if recovery failed

[Greg Kroah-Hartman]

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>

commit f8ebf7a8ca35dde321f0cd385fee6f1950609367 upstream.

If state recovery failed, then we should not attempt to reclaim delegated
state.

http://lkml.kernel.org/r/CAN-5tyHwG=Cn2Q9KsHWadewjpTTy_K26ee+UnSvHvG4192p-Xw@xxxxxxxxxxxxxx
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/nfs/delegation.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -108,6 +108,8 @@ again:
 			continue;
 		if (!test_bit(NFS_DELEGATED_STATE, &state->flags))
 			continue;
+		if (!nfs4_valid_open_stateid(state))
+			continue;
 		if (!nfs4_stateid_match(&state->stateid, stateid))
 			continue;
 		get_nfs_open_context(ctx);


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