From: Trond Myklebust <trond.myklebust@hammerspace.com> commit 5326de9e94bedcf7366e7e7625d4deb8c1f1ca8a upstream. If nfs4_delegreturn_prepare needs to wait for a layoutreturn to complete then make sure we drop the sequence slot if we hold it. Fixes: 1c5bd76d17cc ("pNFS: Enable layoutreturn operation for return-on-close") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- fs/nfs/nfs4proc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 83c41ca..051a573 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -6094,8 +6094,10 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data) d_data = (struct nfs4_delegreturndata *)data; - if (!d_data->lr.roc && nfs4_wait_on_layoutreturn(d_data->inode, task)) + if (!d_data->lr.roc && nfs4_wait_on_layoutreturn(d_data->inode, task)) { + nfs4_sequence_done(task, &d_data->res.seq_res); return; + } lo = d_data->args.lr_args ? d_data->args.lr_args->layout : NULL; if (lo && !pnfs_layout_is_valid(lo)) { -- 1.8.3