locks: Add lockdep assertion for blocked_lock_lock
Annonate insert, remove and iterate function that we need
blocked_lock_lock held.
Signed-off-by: Daniel Wagner <daniel.wagner@bmw-carit.de>
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
diff --git a/fs/locks.c b/fs/locks.c
index f88ed45..36cf93f 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -592,11 +592,15 @@
static void locks_insert_global_blocked(struct file_lock *waiter)
{
+ lockdep_assert_held(&blocked_lock_lock);
+
hash_add(blocked_hash, &waiter->fl_link, posix_owner_key(waiter));
}
static void locks_delete_global_blocked(struct file_lock *waiter)
{
+ lockdep_assert_held(&blocked_lock_lock);
+
hash_del(&waiter->fl_link);
}
@@ -838,6 +842,8 @@
{
int i = 0;
+ lockdep_assert_held(&blocked_lock_lock);
+
/*
* This deadlock detector can't reasonably detect deadlocks with
* FL_OFDLCK locks, since they aren't owned by a process, per-se.