2016-11-10 21:06:28

by Trond Myklebust

[permalink] [raw]
Subject: [PATCH] NFSv4.1: Fix a regression in DELEGRETURN

We don't want to call nfs4_free_revoked_stateid() in the case where
the delegreturn was successful.

Reported-by: Benjamin Coddington <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/nfs4proc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7897826d7c51..6a1d650e0419 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5569,6 +5569,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
switch (task->tk_status) {
case 0:
renew_lease(data->res.server, data->timestamp);
+ break;
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_DELEG_REVOKED:
case -NFS4ERR_EXPIRED:
@@ -5579,8 +5580,6 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
case -NFS4ERR_OLD_STATEID:
case -NFS4ERR_STALE_STATEID:
task->tk_status = 0;
- if (data->roc)
- pnfs_roc_set_barrier(data->inode, data->roc_barrier);
break;
default:
if (nfs4_async_handle_error(task, data->res.server,
@@ -5590,6 +5589,8 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
}
}
data->rpc_status = task->tk_status;
+ if (data->roc && data->rpc_status == 0)
+ pnfs_roc_set_barrier(data->inode, data->roc_barrier);
}

static void nfs4_delegreturn_release(void *calldata)
--
2.7.4