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NFSv4.x: Drop the slot if nfs4_delegreturn_prepare waits for layoutreturn

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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: 1c5bd76d17 ("pNFS: Enable layoutreturn operation for return-on-close")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-11-13 09:39:36 +01:00
parent 5c441544f0
commit 5326de9e94
1 changed files with 3 additions and 1 deletions
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4
fs/nfs/nfs4proc.c
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@ -6256,8 +6256,10 @@ 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)) {