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NFSv4: Retry NFS4ERR_OLD_STATEID errors in layoutreturn 

If our layoutreturn returns an NFS4ERR_OLD_STATEID, then try to
update the stateid and retry.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2017-11-06 15:28:08 -05:00 committed by Anna Schumaker
parent 7380020e77
commit ff90514ebf
1 changed files with 12 additions and 3 deletions
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15
fs/nfs/nfs4proc.c
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@ -8750,18 +8750,27 @@ static void nfs4_layoutreturn_done(struct rpc_task *task, void *calldata)
server = NFS_SERVER(lrp->args.inode);
switch (task->tk_status) {
case -NFS4ERR_OLD_STATEID:
if (nfs4_refresh_layout_stateid(&lrp->args.stateid,
lrp->args.inode))
goto out_restart;
/* Fallthrough */
default:
task->tk_status = 0;
/* Fallthrough */
case 0:
break;
case -NFS4ERR_DELAY:
if (nfs4_async_handle_error(task, server, NULL, NULL) != -EAGAIN)
break;
nfs4_sequence_free_slot(&lrp->res.seq_res);
rpc_restart_call_prepare(task);
return;
goto out_restart;
}
dprintk("<-- %s\n", __func__);
return;
out_restart:
task->tk_status = 0;
nfs4_sequence_free_slot(&lrp->res.seq_res);
rpc_restart_call_prepare(task);
}
static void nfs4_layoutreturn_release(void *calldata)