| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 38/71] NFSv4.x: Drop the slot if nfs4_delegreturn_prepare waits for layoutreturn | Date | Fri, 17 Jan 2020 00:18:36 +0100 |
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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>
--- fs/nfs/nfs4proc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5797,8 +5797,10 @@ static void nfs4_delegreturn_prepare(str 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; + } nfs4_setup_sequence(d_data->res.server->nfs_client, &d_data->args.seq_args,
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