diff options
Diffstat (limited to 'net/batman-adv/hash.c')
| -rw-r--r-- | net/batman-adv/hash.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/net/batman-adv/hash.c b/net/batman-adv/hash.c index b5f7e13918ac..8016e619787f 100644 --- a/net/batman-adv/hash.c +++ b/net/batman-adv/hash.c @@ -1,24 +1,13 @@ -/* Copyright (C) 2006-2017 B.A.T.M.A.N. contributors: +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) B.A.T.M.A.N. contributors: * * Simon Wunderlich, Marek Lindner - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of version 2 of the GNU General Public - * License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include "hash.h" #include "main.h" -#include <linux/fs.h> +#include <linux/gfp.h> #include <linux/lockdep.h> #include <linux/slab.h> @@ -31,9 +20,14 @@ static void batadv_hash_init(struct batadv_hashtable *hash) INIT_HLIST_HEAD(&hash->table[i]); spin_lock_init(&hash->list_locks[i]); } + + atomic_set(&hash->generation, 0); } -/* free only the hashtable and the hash itself. */ +/** + * batadv_hash_destroy() - Free only the hashtable and the hash itself + * @hash: hash object to destroy + */ void batadv_hash_destroy(struct batadv_hashtable *hash) { kfree(hash->list_locks); @@ -41,7 +35,12 @@ void batadv_hash_destroy(struct batadv_hashtable *hash) kfree(hash); } -/* allocates and clears the hash */ +/** + * batadv_hash_new() - Allocates and clears the hashtable + * @size: number of hash buckets to allocate + * + * Return: newly allocated hashtable, NULL on errors + */ struct batadv_hashtable *batadv_hash_new(u32 size) { struct batadv_hashtable *hash; @@ -70,6 +69,11 @@ free_hash: return NULL; } +/** + * batadv_hash_set_lock_class() - Set specific lockdep class for hash spinlocks + * @hash: hash object to modify + * @key: lockdep class key address + */ void batadv_hash_set_lock_class(struct batadv_hashtable *hash, struct lock_class_key *key) { |