23 				    struct dm_block *b,  in index_prepare_for_write()  argument
26 	struct disk_metadata_index *mi_le = dm_block_data(b);  in index_prepare_for_write()
28 	mi_le->blocknr = cpu_to_le64(dm_block_location(b));  in index_prepare_for_write()
35 		       struct dm_block *b,  in index_check()  argument
38 	struct disk_metadata_index *mi_le = dm_block_data(b);  in index_check()
41 	if (dm_block_location(b) != le64_to_cpu(mi_le->blocknr)) {  in index_check()
43 			    le64_to_cpu(mi_le->blocknr), dm_block_location(b));  in index_check()
73 				     struct dm_block *b,  in bitmap_prepare_for_write()  argument
76 	struct disk_bitmap_header *disk_header = dm_block_data(b);  in bitmap_prepare_for_write()
78 	disk_header->blocknr = cpu_to_le64(dm_block_location(b));  in bitmap_prepare_for_write()
85 			struct dm_block *b,  in bitmap_check()  argument
88 	struct disk_bitmap_header *disk_header = dm_block_data(b);  in bitmap_check()
91 	if (dm_block_location(b) != le64_to_cpu(disk_header->blocknr)) {  in bitmap_check()
93 			    le64_to_cpu(disk_header->blocknr), dm_block_location(b));  in bitmap_check()
120 static void *dm_bitmap_data(struct dm_block *b)  in dm_bitmap_data()  argument
122 	return dm_block_data(b) + sizeof(struct disk_bitmap_header);  in dm_bitmap_data()
127 static unsigned bitmap_word_used(void *addr, unsigned b)  in bitmap_word_used()  argument
130 	__le64 *w_le = words_le + (b >> ENTRIES_SHIFT);  in bitmap_word_used()
138 static unsigned sm_lookup_bitmap(void *addr, unsigned b)  in sm_lookup_bitmap()  argument
141 	__le64 *w_le = words_le + (b >> ENTRIES_SHIFT);  in sm_lookup_bitmap()
144 	b = (b & (ENTRIES_PER_WORD - 1)) << 1;  in sm_lookup_bitmap()
145 	hi = !!test_bit_le(b, (void *) w_le);  in sm_lookup_bitmap()
146 	lo = !!test_bit_le(b + 1, (void *) w_le);  in sm_lookup_bitmap()
150 static void sm_set_bitmap(void *addr, unsigned b, unsigned val)  in sm_set_bitmap()  argument
153 	__le64 *w_le = words_le + (b >> ENTRIES_SHIFT);  in sm_set_bitmap()
155 	b = (b & (ENTRIES_PER_WORD - 1)) << 1;  in sm_set_bitmap()
158 		__set_bit_le(b, (void *) w_le);  in sm_set_bitmap()
160 		__clear_bit_le(b, (void *) w_le);  in sm_set_bitmap()
163 		__set_bit_le(b + 1, (void *) w_le);  in sm_set_bitmap()
165 		__clear_bit_le(b + 1, (void *) w_le);  in sm_set_bitmap()
253 		struct dm_block *b;  in sm_ll_extend()  local
256 		r = dm_tm_new_block(ll->tm, &dm_sm_bitmap_validator, &b);  in sm_ll_extend()
260 		idx.blocknr = cpu_to_le64(dm_block_location(b));  in sm_ll_extend()
262 		dm_tm_unlock(ll->tm, b);  in sm_ll_extend()
275 int sm_ll_lookup_bitmap(struct ll_disk *ll, dm_block_t b, uint32_t *result)  in sm_ll_lookup_bitmap()  argument
278 	dm_block_t index = b;  in sm_ll_lookup_bitmap()
282 	b = do_div(index, ll->entries_per_block);  in sm_ll_lookup_bitmap()
292 	*result = sm_lookup_bitmap(dm_bitmap_data(blk), b);  in sm_ll_lookup_bitmap()
299 static int sm_ll_lookup_big_ref_count(struct ll_disk *ll, dm_block_t b,  in sm_ll_lookup_big_ref_count()  argument
305 	r = dm_btree_lookup(&ll->ref_count_info, ll->ref_count_root, &b, &le_rc);  in sm_ll_lookup_big_ref_count()
314 int sm_ll_lookup(struct ll_disk *ll, dm_block_t b, uint32_t *result)  in sm_ll_lookup()  argument
316 	int r = sm_ll_lookup_bitmap(ll, b, result);  in sm_ll_lookup()
324 	return sm_ll_lookup_big_ref_count(ll, b, result);  in sm_ll_lookup()
385 static int sm_ll_mutate(struct ll_disk *ll, dm_block_t b,  in sm_ll_mutate()  argument
392 	dm_block_t index = b;  in sm_ll_mutate()
414 		r = sm_ll_lookup_big_ref_count(ll, b, &old);  in sm_ll_mutate()
435 					    &b, &ll->ref_count_root);  in sm_ll_mutate()
448 				    &b, &le_rc, &ll->ref_count_root);  in sm_ll_mutate()
478 int sm_ll_insert(struct ll_disk *ll, dm_block_t b,  in sm_ll_insert()  argument
481 	return sm_ll_mutate(ll, b, set_ref_count, &ref_count, ev);  in sm_ll_insert()
490 int sm_ll_inc(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev)  in sm_ll_inc()  argument
492 	return sm_ll_mutate(ll, b, inc_ref_count, NULL, ev);  in sm_ll_inc()
506 int sm_ll_dec(struct ll_disk *ll, dm_block_t b, enum allocation_event *ev)  in sm_ll_dec()  argument
508 	return sm_ll_mutate(ll, b, dec_ref_count, NULL, ev);  in sm_ll_dec()
544 	struct dm_block *b;  in metadata_ll_init_index()  local
546 	r = dm_tm_new_block(ll->tm, &index_validator, &b);  in metadata_ll_init_index()
550 	memcpy(dm_block_data(b), &ll->mi_le, sizeof(ll->mi_le));  in metadata_ll_init_index()
551 	ll->bitmap_root = dm_block_location(b);  in metadata_ll_init_index()
553 	dm_tm_unlock(ll->tm, b);  in metadata_ll_init_index()
582 	struct dm_block *b;  in metadata_ll_commit()  local
584 	r = dm_tm_shadow_block(ll->tm, ll->bitmap_root, &index_validator, &b, &inc);  in metadata_ll_commit()
588 	memcpy(dm_block_data(b), &ll->mi_le, sizeof(ll->mi_le));  in metadata_ll_commit()
589 	ll->bitmap_root = dm_block_location(b);  in metadata_ll_commit()
591 	dm_tm_unlock(ll->tm, b);  in metadata_ll_commit()