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pNFS: Retry NFS4ERR_OLD_STATEID errors in layoutreturn-on-close

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If our layoutreturn on close operation returns an NFS4ERR_OLD_STATEID,
then try to update the stateid and retry. We know that there should
be no further LAYOUTGET requests being launched.

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 15:28:07 -05:00
committed by Anna Schumaker
parent c82bac6f4b
commit 7380020e77
3 changed files with 40 additions and 2 deletions
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18
fs/nfs/nfs4proc.c
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@@ -3166,11 +3166,18 @@ static void nfs4_close_done(struct rpc_task *task, void *data)
calldata->arg.lr_args = NULL;
calldata->res.lr_res = NULL;
break;
case -NFS4ERR_OLD_STATEID:
if (nfs4_refresh_layout_stateid(&calldata->arg.lr_args->stateid,
calldata->inode)) {
calldata->res.lr_ret = 0;
rpc_restart_call_prepare(task);
return;
}
/* Fallthrough */
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_EXPIRED:
case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_OLD_STATEID:
case -NFS4ERR_UNKNOWN_LAYOUTTYPE:
case -NFS4ERR_WRONG_CRED:
calldata->arg.lr_args = NULL;
@@ -5771,11 +5778,18 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
data->args.lr_args = NULL;
data->res.lr_res = NULL;
break;
case -NFS4ERR_OLD_STATEID:
if (nfs4_refresh_layout_stateid(&data->args.lr_args->stateid,
data->inode)) {
data->res.lr_ret = 0;
rpc_restart_call_prepare(task);
return;
}
/* Fallthrough */
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_EXPIRED:
case -NFS4ERR_BAD_STATEID:
case -NFS4ERR_OLD_STATEID:
case -NFS4ERR_UNKNOWN_LAYOUTTYPE:
case -NFS4ERR_WRONG_CRED:
data->args.lr_args = NULL;