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NFSv4: Ensure state recovery handles ETIMEDOUT correctly

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Ensure that the state recovery code handles ETIMEDOUT correctly,
and also that we set RPC_TASK_TIMEOUT when recovering open state.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-08-07 07:31:27 -04:00
parent dea1bb35c5
commit 67e7b52d44
2 changed files with 7 additions and 2 deletions
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2
fs/nfs/nfs4proc.c
View file

@ -2179,6 +2179,7 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct
case -ENOENT:
case -EAGAIN:
case -ESTALE:
case -ETIMEDOUT:
break;
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT:
@ -2499,6 +2500,7 @@ static int nfs4_run_open_task(struct nfs4_opendata *data,
if (!ctx) {
nfs4_init_sequence(&o_arg->seq_args, &o_res->seq_res, 1, 1);
data->is_recover = true;
task_setup_data.flags |= RPC_TASK_TIMEOUT;
} else {
nfs4_init_sequence(&o_arg->seq_args, &o_res->seq_res, 1, 0);
pnfs_lgopen_prepare(data, ctx);

7
fs/nfs/nfs4state.c
View file

@ -1529,6 +1529,7 @@ restart:
switch (status) {
case 0:
break;
case -ETIMEDOUT:
case -ESTALE:
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_STALE_STATEID:
@ -1682,11 +1683,13 @@ restart:
case -NFS4ERR_EXPIRED:
case -NFS4ERR_NO_GRACE:
nfs4_state_mark_reclaim_nograce(sp->so_server->nfs_client, state);
/* Fall through */
case -NFS4ERR_STALE_CLIENTID:
case -NFS4ERR_BADSESSION:
case -NFS4ERR_BADSLOT:
case -NFS4ERR_BAD_HIGH_SLOT:
case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
case -ETIMEDOUT:
goto out_err;
}
nfs4_put_open_state(state);
@ -1971,7 +1974,6 @@ static int nfs4_handle_reclaim_lease_error(struct nfs_client *clp, int status)
return -EPERM;
case -EACCES:
case -NFS4ERR_DELAY:
case -ETIMEDOUT:
case -EAGAIN:
ssleep(1);
break;
@ -2600,7 +2602,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
}
/* Now recover expired state... */
if (test_and_clear_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state)) {
if (test_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state)) {
section = "reclaim nograce";
status = nfs4_do_reclaim(clp,
clp->cl_mvops->nograce_recovery_ops);
@ -2608,6 +2610,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
continue;
if (status < 0)
goto out_error;
clear_bit(NFS4CLNT_RECLAIM_NOGRACE, &clp->cl_state);
}
nfs4_end_drain_session(clp);