583 static int h_init(struct smq_hash_table *ht, struct entry_space *es, unsigned nr_entries)  in h_init()  argument
587 	ht->es = es;  in h_init()
589 	ht->hash_bits = __ffs(nr_buckets);  in h_init()
591 	ht->buckets = vmalloc(array_size(nr_buckets, sizeof(*ht->buckets)));  in h_init()
592 	if (!ht->buckets)  in h_init()
596 		ht->buckets[i] = INDEXER_NULL;  in h_init()
601 static void h_exit(struct smq_hash_table *ht)  in h_exit()  argument
603 	vfree(ht->buckets);  in h_exit()
606 static struct entry *h_head(struct smq_hash_table *ht, unsigned bucket)  in h_head()  argument
608 	return to_entry(ht->es, ht->buckets[bucket]);  in h_head()
611 static struct entry *h_next(struct smq_hash_table *ht, struct entry *e)  in h_next()  argument
613 	return to_entry(ht->es, e->hash_next);  in h_next()
616 static void __h_insert(struct smq_hash_table *ht, unsigned bucket, struct entry *e)  in __h_insert()  argument
618 	e->hash_next = ht->buckets[bucket];  in __h_insert()
619 	ht->buckets[bucket] = to_index(ht->es, e);  in __h_insert()
622 static void h_insert(struct smq_hash_table *ht, struct entry *e)  in h_insert()  argument
624 	unsigned h = hash_64(from_oblock(e->oblock), ht->hash_bits);  in h_insert()
625 	__h_insert(ht, h, e);  in h_insert()
628 static struct entry *__h_lookup(struct smq_hash_table *ht, unsigned h, dm_oblock_t oblock,  in __h_lookup()  argument
634 	for (e = h_head(ht, h); e; e = h_next(ht, e)) {  in __h_lookup()
644 static void __h_unlink(struct smq_hash_table *ht, unsigned h,  in __h_unlink()  argument
650 		ht->buckets[h] = e->hash_next;  in __h_unlink()
656 static struct entry *h_lookup(struct smq_hash_table *ht, dm_oblock_t oblock)  in h_lookup()  argument
659 	unsigned h = hash_64(from_oblock(oblock), ht->hash_bits);  in h_lookup()
661 	e = __h_lookup(ht, h, oblock, &prev);  in h_lookup()
667 		__h_unlink(ht, h, e, prev);  in h_lookup()
668 		__h_insert(ht, h, e);  in h_lookup()
674 static void h_remove(struct smq_hash_table *ht, struct entry *e)  in h_remove()  argument
676 	unsigned h = hash_64(from_oblock(e->oblock), ht->hash_bits);  in h_remove()
683 	e = __h_lookup(ht, h, e->oblock, &prev);  in h_remove()
685 		__h_unlink(ht, h, e, prev);  in h_remove()