diff options
Diffstat (limited to 'kernel/drivers/md/dm-cache-policy-cleaner.c')
| -rw-r--r-- | kernel/drivers/md/dm-cache-policy-cleaner.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/drivers/md/dm-cache-policy-cleaner.c b/kernel/drivers/md/dm-cache-policy-cleaner.c index 004e463c9..14aaaf059 100644 --- a/kernel/drivers/md/dm-cache-policy-cleaner.c +++ b/kernel/drivers/md/dm-cache-policy-cleaner.c @@ -83,7 +83,7 @@ static struct list_head *list_pop(struct list_head *q) static int alloc_hash(struct hash *hash, unsigned elts) { hash->nr_buckets = next_power(elts >> 4, 16); - hash->hash_bits = ffs(hash->nr_buckets) - 1; + hash->hash_bits = __ffs(hash->nr_buckets); hash->table = vzalloc(sizeof(*hash->table) * hash->nr_buckets); return hash->table ? 0 : -ENOMEM; @@ -359,7 +359,8 @@ static struct wb_cache_entry *get_next_dirty_entry(struct policy *p) static int wb_writeback_work(struct dm_cache_policy *pe, dm_oblock_t *oblock, - dm_cblock_t *cblock) + dm_cblock_t *cblock, + bool critical_only) { int r = -ENOENT; struct policy *p = to_policy(pe); @@ -435,7 +436,7 @@ static struct dm_cache_policy *wb_create(dm_cblock_t cache_size, static struct dm_cache_policy_type wb_policy_type = { .name = "cleaner", .version = {1, 0, 0}, - .hint_size = 0, + .hint_size = 4, .owner = THIS_MODULE, .create = wb_create }; |