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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-08-07 07:31:27 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-08-07 12:55:11 -0400
commit67e7b52d44e3d539dfbfcd866c3d3d69da23a909 (patch)
tree26281529036a4e28c8c5438884dee0af60288992 /fs/nfs
parentdea1bb35c5f35e0577cfc61f79261d80b8715221 (diff)
downloadlinux-stericsson-67e7b52d44e3d539dfbfcd866c3d3d69da23a909.tar.gz
NFSv4: Ensure state recovery handles ETIMEDOUT correctly
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>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/nfs4proc.c2
-rw-r--r--fs/nfs/nfs4state.c7
2 files changed, 7 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 12b2b65ad8a8..1406858bae6c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -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);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index a4e866b2b43b..cad4e064b328 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -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);