* GPL HEADER END
*/
/* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* reason we always allocate cacheline-aligned memory block.
*/
struct cfs_percpt_lock *
-cfs_percpt_lock_alloc(struct cfs_cpt_table *cptab)
+cfs_percpt_lock_create(struct cfs_cpt_table *cptab,
+ struct lock_class_key *keys)
{
struct cfs_percpt_lock *pcl;
spinlock_t *lock;
return NULL;
}
- cfs_percpt_for_each(lock, i, pcl->pcl_locks)
+ if (keys == NULL) {
+ CWARN("Cannot setup class key for percpt lock, you may see "
+ "recursive locking warnings which are actually fake.\n");
+ }
+
+ cfs_percpt_for_each(lock, i, pcl->pcl_locks) {
spin_lock_init(lock);
+ if (keys != NULL)
+ lockdep_set_class(lock, &keys[i]);
+ }
return pcl;
}
-EXPORT_SYMBOL(cfs_percpt_lock_alloc);
+EXPORT_SYMBOL(cfs_percpt_lock_create);
/**
* lock a CPU partition