If this loses any backchannel, make sure we have a chance to notice that
and set the sequence flags.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
---
fs/nfsd/nfs4callback.c | 6 ++++++
fs/nfsd/nfs4state.c | 3 +--
fs/nfsd/state.h | 1 +
3 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index d32f49d..cb002dc 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -589,6 +589,12 @@ void nfsd4_probe_callback(struct nfs4_client *clp)
do_probe_callback(clp);
}
+void nfsd4_probe_callback_sync(struct nfs4_client *clp)
+{
+ nfsd4_probe_callback(clp);
+ flush_workqueue(callback_wq);
+}
+
void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *conn)
{
clp->cl_cb_state = NFSD4_CB_UNKNOWN;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index b24f19d..00a50b8 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1686,8 +1686,7 @@ nfsd4_destroy_session(struct svc_rqst *r,
spin_unlock(&client_lock);
nfs4_lock_state();
- /* wait for callbacks */
- nfsd4_shutdown_callback(ses->se_client);
+ nfsd4_probe_callback_sync(ses->se_client);
nfs4_unlock_state();
nfsd4_del_conns(ses);
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 32ff615..4e5bdfd 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -464,6 +464,7 @@ extern __be32 nfs4_check_open_reclaim(clientid_t *clid);
extern void nfs4_free_stateowner(struct kref *kref);
extern int set_callback_cred(void);
extern void nfsd4_probe_callback(struct nfs4_client *clp);
+extern void nfsd4_probe_callback_sync(struct nfs4_client *clp);
extern void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *);
extern void nfsd4_do_callback_rpc(struct work_struct *);
extern void nfsd4_cb_recall(struct nfs4_delegation *dp);
--
1.7.1
--
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