diff options
Diffstat (limited to 'drivers/md/dm-cache-policy-internal.h')
| -rw-r--r-- | drivers/md/dm-cache-policy-internal.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/md/dm-cache-policy-internal.h b/drivers/md/dm-cache-policy-internal.h index 56f0a23f698c..476a4f6794fc 100644 --- a/drivers/md/dm-cache-policy-internal.h +++ b/drivers/md/dm-cache-policy-internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 Red Hat. All rights reserved. * @@ -85,9 +86,10 @@ static inline void policy_tick(struct dm_cache_policy *p, bool can_block) } static inline int policy_emit_config_values(struct dm_cache_policy *p, char *result, - unsigned maxlen, ssize_t *sz_ptr) + unsigned int maxlen, ssize_t *sz_ptr) { ssize_t sz = *sz_ptr; + if (p->emit_config_values) return p->emit_config_values(p, result, maxlen, sz_ptr); @@ -112,20 +114,22 @@ static inline void policy_allow_migrations(struct dm_cache_policy *p, bool allow /* * Some utility functions commonly used by policies and the core target. */ -static inline size_t bitset_size_in_bytes(unsigned nr_entries) +static inline size_t bitset_size_in_bytes(unsigned int nr_entries) { return sizeof(unsigned long) * dm_div_up(nr_entries, BITS_PER_LONG); } -static inline unsigned long *alloc_bitset(unsigned nr_entries) +static inline unsigned long *alloc_bitset(unsigned int nr_entries) { size_t s = bitset_size_in_bytes(nr_entries); + return vzalloc(s); } -static inline void clear_bitset(void *bitset, unsigned nr_entries) +static inline void clear_bitset(void *bitset, unsigned int nr_entries) { size_t s = bitset_size_in_bytes(nr_entries); + memset(bitset, 0, s); } @@ -154,7 +158,7 @@ void dm_cache_policy_destroy(struct dm_cache_policy *p); */ const char *dm_cache_policy_get_name(struct dm_cache_policy *p); -const unsigned *dm_cache_policy_get_version(struct dm_cache_policy *p); +const unsigned int *dm_cache_policy_get_version(struct dm_cache_policy *p); size_t dm_cache_policy_get_hint_size(struct dm_cache_policy *p); |