afs: Trace afs_server usage
Add a tracepoint (afs_server) to track the afs_server object usage count.
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/fs/afs/callback.c b/fs/afs/callback.c
index d66cd03..6cdd704 100644
--- a/fs/afs/callback.c
+++ b/fs/afs/callback.c
@@ -48,7 +48,7 @@ static struct afs_cb_interest *afs_create_interest(struct afs_server *server,
refcount_set(&new->usage, 1);
new->sb = vnode->vfs_inode.i_sb;
new->vid = vnode->volume->vid;
- new->server = afs_get_server(server);
+ new->server = afs_get_server(server, afs_server_trace_get_new_cbi);
INIT_HLIST_NODE(&new->cb_vlink);
write_lock(&server->cb_break_lock);
@@ -195,7 +195,7 @@ void afs_put_cb_interest(struct afs_net *net, struct afs_cb_interest *cbi)
write_unlock(&cbi->server->cb_break_lock);
if (vi)
kfree_rcu(vi, rcu);
- afs_put_server(net, cbi->server);
+ afs_put_server(net, cbi->server, afs_server_trace_put_cbi);
}
kfree_rcu(cbi, rcu);
}