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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-04-01 15:34:05 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-04-05 17:03:53 -0400
commit8b6cc4d6f841d31f72fe7478453759166d366274 (patch)
treed1402a785614147d8abd70ea4a40cc82938dd779 /fs/nfs
parentdbb21c25a35a71baf413f5176f028ee11b88cfbc (diff)
downloadop-kernel-dev-8b6cc4d6f841d31f72fe7478453759166d366274.zip
op-kernel-dev-8b6cc4d6f841d31f72fe7478453759166d366274.tar.gz
NFSv4: Handle NFS4ERR_DELAY and NFS4ERR_GRACE in nfs4_open_delegation_recall
A server shouldn't normally return NFS4ERR_GRACE if the client holds a delegation, since no conflicting lock reclaims can be granted, however the spec does not require the server to grant the open in this instance Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index dc4037c..6630db1 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1432,6 +1432,12 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
case -ENOMEM:
err = 0;
goto out;
+ case -NFS4ERR_DELAY:
+ case -NFS4ERR_GRACE:
+ set_bit(NFS_DELEGATED_STATE, &state->flags);
+ ssleep(1);
+ err = -EAGAIN;
+ goto out;
}
set_bit(NFS_DELEGATED_STATE, &state->flags);
err = nfs4_handle_exception(server, err, &exception);
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