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-rw-r--r--fs/nfs/nfs4state.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index cf869802ff23..1d152f4470cd 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -494,21 +494,18 @@ nfs4_alloc_state_owner(struct nfs_server *server,
}
static void
-nfs4_drop_state_owner(struct nfs4_state_owner *sp)
-{
- struct rb_node *rb_node = &sp->so_server_node;
-
- if (!RB_EMPTY_NODE(rb_node)) {
- struct nfs_server *server = sp->so_server;
- struct nfs_client *clp = server->nfs_client;
-
- spin_lock(&clp->cl_lock);
- if (!RB_EMPTY_NODE(rb_node)) {
- rb_erase(rb_node, &server->state_owners);
- RB_CLEAR_NODE(rb_node);
- }
- spin_unlock(&clp->cl_lock);
- }
+nfs4_reset_state_owner(struct nfs4_state_owner *sp)
+{
+ /* This state_owner is no longer usable, but must
+ * remain in place so that state recovery can find it
+ * and the opens associated with it.
+ * It may also be used for new 'open' request to
+ * return a delegation to the server.
+ * So update the 'create_time' so that it looks like
+ * a new state_owner. This will cause the server to
+ * request an OPEN_CONFIRM to start a new sequence.
+ */
+ sp->so_seqid.create_time = ktime_get();
}
static void nfs4_free_state_owner(struct nfs4_state_owner *sp)
@@ -1113,7 +1110,7 @@ void nfs_increment_open_seqid(int status, struct nfs_seqid *seqid)
sp = container_of(seqid->sequence, struct nfs4_state_owner, so_seqid);
if (status == -NFS4ERR_BAD_SEQID)
- nfs4_drop_state_owner(sp);
+ nfs4_reset_state_owner(sp);
if (!nfs4_has_session(sp->so_server->nfs_client))
nfs_increment_seqid(status, seqid);
}