NFSv4.1 dereference a disconnected data server client record

When the last DS io is processed, the data server client record will be
freed.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index eb8eb00f3b52..eaaca897305c 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -196,6 +196,7 @@ static int filelayout_async_handle_error(struct rpc_task *task,
                         _pnfs_return_layout(state->inode);
                 filelayout_mark_devid_invalid(devid);
                 rpc_wake_up(&tbl->slot_tbl_waitq);
+                nfs4_ds_disconnect(clp);
                 /* fall through */
         default:
                 dprintk("%s Retry through MDS. Error %d\n", __func__,