NFSv4.1 free slot before resending I/O to MDS

Fix a dynamic session slot leak where a slot is preallocated and I/O is
resent through the MDS.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ed10d0d4f860..ae00c3ed733f 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -592,7 +592,7 @@ out_unlock:
                 nfs41_server_notify_highest_slotid_update(session->clp);
 }
 
-static int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *res)
+int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res *res)
 {
         struct nfs4_session *session;
         struct nfs4_slot *slot;
@@ -692,6 +692,7 @@ out_retry:
         rpc_delay(task, NFS4_POLL_RETRY_MAX);
         return 0;
 }
+EXPORT_SYMBOL_GPL(nfs41_sequence_done);
 
 static int nfs4_sequence_done(struct rpc_task *task,
                                struct nfs4_sequence_res *res)