23 #define on_f2fs_build_free_nids(nmi) mutex_is_locked(&(nm_i)->build_lock)
46 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_available_free_memory()  local
53 	if (!nm_i)  in f2fs_available_free_memory()
65 		mem_size = (nm_i->nid_cnt[FREE_NID] *  in f2fs_available_free_memory()
67 		res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 2);  in f2fs_available_free_memory()
69 		mem_size = (nm_i->nat_cnt[TOTAL_NAT] *  in f2fs_available_free_memory()
71 		res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 2);  in f2fs_available_free_memory()
78 		res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);  in f2fs_available_free_memory()
86 		res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);  in f2fs_available_free_memory()
92 		res = mem_size < ((avail_ram * nm_i->ram_thresh / 100) >> 1);  in f2fs_available_free_memory()
100 		res = mem_size < (avail_ram * nm_i->ram_thresh / 100);  in f2fs_available_free_memory()
144 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in get_next_nat_page()  local
161 	set_to_next_nat(nm_i, nid);  in get_next_nat_page()
186 static struct nat_entry *__init_nat_entry(struct f2fs_nm_info *nm_i,  in __init_nat_entry()  argument
190 		f2fs_radix_tree_insert(&nm_i->nat_root, nat_get_nid(ne), ne);  in __init_nat_entry()
191 	else if (radix_tree_insert(&nm_i->nat_root, nat_get_nid(ne), ne))  in __init_nat_entry()
197 	spin_lock(&nm_i->nat_list_lock);  in __init_nat_entry()
198 	list_add_tail(&ne->list, &nm_i->nat_entries);  in __init_nat_entry()
199 	spin_unlock(&nm_i->nat_list_lock);  in __init_nat_entry()
201 	nm_i->nat_cnt[TOTAL_NAT]++;  in __init_nat_entry()
202 	nm_i->nat_cnt[RECLAIMABLE_NAT]++;  in __init_nat_entry()
206 static struct nat_entry *__lookup_nat_cache(struct f2fs_nm_info *nm_i, nid_t n)  in __lookup_nat_cache()  argument
210 	ne = radix_tree_lookup(&nm_i->nat_root, n);  in __lookup_nat_cache()
214 		spin_lock(&nm_i->nat_list_lock);  in __lookup_nat_cache()
216 			list_move_tail(&ne->list, &nm_i->nat_entries);  in __lookup_nat_cache()
217 		spin_unlock(&nm_i->nat_list_lock);  in __lookup_nat_cache()
223 static unsigned int __gang_lookup_nat_cache(struct f2fs_nm_info *nm_i,  in __gang_lookup_nat_cache()  argument
226 	return radix_tree_gang_lookup(&nm_i->nat_root, (void **)ep, start, nr);  in __gang_lookup_nat_cache()
229 static void __del_from_nat_cache(struct f2fs_nm_info *nm_i, struct nat_entry *e)  in __del_from_nat_cache()  argument
231 	radix_tree_delete(&nm_i->nat_root, nat_get_nid(e));  in __del_from_nat_cache()
232 	nm_i->nat_cnt[TOTAL_NAT]--;  in __del_from_nat_cache()
233 	nm_i->nat_cnt[RECLAIMABLE_NAT]--;  in __del_from_nat_cache()
237 static struct nat_entry_set *__grab_nat_entry_set(struct f2fs_nm_info *nm_i,  in __grab_nat_entry_set()  argument
243 	head = radix_tree_lookup(&nm_i->nat_set_root, set);  in __grab_nat_entry_set()
252 		f2fs_radix_tree_insert(&nm_i->nat_set_root, set, head);  in __grab_nat_entry_set()
257 static void __set_nat_cache_dirty(struct f2fs_nm_info *nm_i,  in __set_nat_cache_dirty()  argument
264 		head = __grab_nat_entry_set(nm_i, ne);  in __set_nat_cache_dirty()
280 	nm_i->nat_cnt[DIRTY_NAT]++;  in __set_nat_cache_dirty()
281 	nm_i->nat_cnt[RECLAIMABLE_NAT]--;  in __set_nat_cache_dirty()
284 	spin_lock(&nm_i->nat_list_lock);  in __set_nat_cache_dirty()
289 	spin_unlock(&nm_i->nat_list_lock);  in __set_nat_cache_dirty()
292 static void __clear_nat_cache_dirty(struct f2fs_nm_info *nm_i,  in __clear_nat_cache_dirty()  argument
295 	spin_lock(&nm_i->nat_list_lock);  in __clear_nat_cache_dirty()
296 	list_move_tail(&ne->list, &nm_i->nat_entries);  in __clear_nat_cache_dirty()
297 	spin_unlock(&nm_i->nat_list_lock);  in __clear_nat_cache_dirty()
301 	nm_i->nat_cnt[DIRTY_NAT]--;  in __clear_nat_cache_dirty()
302 	nm_i->nat_cnt[RECLAIMABLE_NAT]++;  in __clear_nat_cache_dirty()
305 static unsigned int __gang_lookup_nat_set(struct f2fs_nm_info *nm_i,  in __gang_lookup_nat_set()  argument
308 	return radix_tree_gang_lookup(&nm_i->nat_set_root, (void **)ep,  in __gang_lookup_nat_set()
381 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_need_dentry_mark()  local
385 	down_read(&nm_i->nat_tree_lock);  in f2fs_need_dentry_mark()
386 	e = __lookup_nat_cache(nm_i, nid);  in f2fs_need_dentry_mark()
392 	up_read(&nm_i->nat_tree_lock);  in f2fs_need_dentry_mark()
398 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_is_checkpointed_node()  local
402 	down_read(&nm_i->nat_tree_lock);  in f2fs_is_checkpointed_node()
403 	e = __lookup_nat_cache(nm_i, nid);  in f2fs_is_checkpointed_node()
406 	up_read(&nm_i->nat_tree_lock);  in f2fs_is_checkpointed_node()
412 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_need_inode_block_update()  local
416 	down_read(&nm_i->nat_tree_lock);  in f2fs_need_inode_block_update()
417 	e = __lookup_nat_cache(nm_i, ino);  in f2fs_need_inode_block_update()
422 	up_read(&nm_i->nat_tree_lock);  in f2fs_need_inode_block_update()
430 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in cache_nat_entry()  local
437 	down_write(&nm_i->nat_tree_lock);  in cache_nat_entry()
438 	e = __lookup_nat_cache(nm_i, nid);  in cache_nat_entry()
440 		e = __init_nat_entry(nm_i, new, ne, false);  in cache_nat_entry()
446 	up_write(&nm_i->nat_tree_lock);  in cache_nat_entry()
454 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in set_node_addr()  local
458 	down_write(&nm_i->nat_tree_lock);  in set_node_addr()
459 	e = __lookup_nat_cache(nm_i, ni->nid);  in set_node_addr()
461 		e = __init_nat_entry(nm_i, new, NULL, true);  in set_node_addr()
497 	__set_nat_cache_dirty(nm_i, e);  in set_node_addr()
501 		e = __lookup_nat_cache(nm_i, ni->ino);  in set_node_addr()
507 	up_write(&nm_i->nat_tree_lock);  in set_node_addr()
512 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_try_to_free_nats()  local
515 	if (!down_write_trylock(&nm_i->nat_tree_lock))  in f2fs_try_to_free_nats()
518 	spin_lock(&nm_i->nat_list_lock);  in f2fs_try_to_free_nats()
522 		if (list_empty(&nm_i->nat_entries))  in f2fs_try_to_free_nats()
525 		ne = list_first_entry(&nm_i->nat_entries,  in f2fs_try_to_free_nats()
528 		spin_unlock(&nm_i->nat_list_lock);  in f2fs_try_to_free_nats()
530 		__del_from_nat_cache(nm_i, ne);  in f2fs_try_to_free_nats()
533 		spin_lock(&nm_i->nat_list_lock);  in f2fs_try_to_free_nats()
535 	spin_unlock(&nm_i->nat_list_lock);  in f2fs_try_to_free_nats()
537 	up_write(&nm_i->nat_tree_lock);  in f2fs_try_to_free_nats()
544 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_get_node_info()  local
559 	down_read(&nm_i->nat_tree_lock);  in f2fs_get_node_info()
560 	e = __lookup_nat_cache(nm_i, nid);  in f2fs_get_node_info()
565 		up_read(&nm_i->nat_tree_lock);  in f2fs_get_node_info()
578 		up_read(&nm_i->nat_tree_lock);  in f2fs_get_node_info()
589 		up_read(&nm_i->nat_tree_lock);  in f2fs_get_node_info()
595 	up_read(&nm_i->nat_tree_lock);  in f2fs_get_node_info()
2162 static struct free_nid *__lookup_free_nid_list(struct f2fs_nm_info *nm_i,  in __lookup_free_nid_list()  argument
2165 	return radix_tree_lookup(&nm_i->free_nid_root, n);  in __lookup_free_nid_list()
2171 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in __insert_free_nid()  local
2172 	int err = radix_tree_insert(&nm_i->free_nid_root, i->nid, i);  in __insert_free_nid()
2177 	nm_i->nid_cnt[FREE_NID]++;  in __insert_free_nid()
2178 	list_add_tail(&i->list, &nm_i->free_nid_list);  in __insert_free_nid()
2185 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in __remove_free_nid()  local
2188 	nm_i->nid_cnt[state]--;  in __remove_free_nid()
2191 	radix_tree_delete(&nm_i->free_nid_root, i->nid);  in __remove_free_nid()
2197 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in __move_free_nid()  local
2201 	nm_i->nid_cnt[org_state]--;  in __move_free_nid()
2202 	nm_i->nid_cnt[dst_state]++;  in __move_free_nid()
2209 		list_add_tail(&i->list, &nm_i->free_nid_list);  in __move_free_nid()
2218 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_nat_bitmap_enabled()  local
2222 	down_read(&nm_i->nat_tree_lock);  in f2fs_nat_bitmap_enabled()
2223 	for (i = 0; i < nm_i->nat_blocks; i++) {  in f2fs_nat_bitmap_enabled()
2224 		if (!test_bit_le(i, nm_i->nat_block_bitmap)) {  in f2fs_nat_bitmap_enabled()
2229 	up_read(&nm_i->nat_tree_lock);  in f2fs_nat_bitmap_enabled()
2237 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in update_free_nid_bitmap()  local
2241 	if (!test_bit_le(nat_ofs, nm_i->nat_block_bitmap))  in update_free_nid_bitmap()
2245 		if (test_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]))  in update_free_nid_bitmap()
2247 		__set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);  in update_free_nid_bitmap()
2248 		nm_i->free_nid_count[nat_ofs]++;  in update_free_nid_bitmap()
2250 		if (!test_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]))  in update_free_nid_bitmap()
2252 		__clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]);  in update_free_nid_bitmap()
2254 			nm_i->free_nid_count[nat_ofs]--;  in update_free_nid_bitmap()
2262 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in add_free_nid()  local
2281 	spin_lock(&nm_i->nid_list_lock);  in add_free_nid()
2305 		ne = __lookup_nat_cache(nm_i, nid);  in add_free_nid()
2310 		e = __lookup_free_nid_list(nm_i, nid);  in add_free_nid()
2323 			nm_i->available_nids++;  in add_free_nid()
2325 	spin_unlock(&nm_i->nid_list_lock);  in add_free_nid()
2335 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in remove_free_nid()  local
2339 	spin_lock(&nm_i->nid_list_lock);  in remove_free_nid()
2340 	i = __lookup_free_nid_list(nm_i, nid);  in remove_free_nid()
2345 	spin_unlock(&nm_i->nid_list_lock);  in remove_free_nid()
2354 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in scan_nat_page()  local
2360 	__set_bit_le(nat_ofs, nm_i->nat_block_bitmap);  in scan_nat_page()
2365 		if (unlikely(start_nid >= nm_i->max_nid))  in scan_nat_page()
2408 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in scan_free_nid_bits()  local
2412 	down_read(&nm_i->nat_tree_lock);  in scan_free_nid_bits()
2414 	for (i = 0; i < nm_i->nat_blocks; i++) {  in scan_free_nid_bits()
2415 		if (!test_bit_le(i, nm_i->nat_block_bitmap))  in scan_free_nid_bits()
2417 		if (!nm_i->free_nid_count[i])  in scan_free_nid_bits()
2420 			idx = find_next_bit_le(nm_i->free_nid_bitmap[i],  in scan_free_nid_bits()
2428 			if (nm_i->nid_cnt[FREE_NID] >= MAX_FREE_NIDS)  in scan_free_nid_bits()
2435 	up_read(&nm_i->nat_tree_lock);  in scan_free_nid_bits()
2441 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in __f2fs_build_free_nids()  local
2443 	nid_t nid = nm_i->next_scan_nid;  in __f2fs_build_free_nids()
2445 	if (unlikely(nid >= nm_i->max_nid))  in __f2fs_build_free_nids()
2452 	if (nm_i->nid_cnt[FREE_NID] >= NAT_ENTRY_PER_BLOCK)  in __f2fs_build_free_nids()
2462 		if (nm_i->nid_cnt[FREE_NID] >= NAT_ENTRY_PER_BLOCK)  in __f2fs_build_free_nids()
2470 	down_read(&nm_i->nat_tree_lock);  in __f2fs_build_free_nids()
2474 						nm_i->nat_block_bitmap)) {  in __f2fs_build_free_nids()
2485 				up_read(&nm_i->nat_tree_lock);  in __f2fs_build_free_nids()
2492 		if (unlikely(nid >= nm_i->max_nid))  in __f2fs_build_free_nids()
2500 	nm_i->next_scan_nid = nid;  in __f2fs_build_free_nids()
2505 	up_read(&nm_i->nat_tree_lock);  in __f2fs_build_free_nids()
2507 	f2fs_ra_meta_pages(sbi, NAT_BLOCK_OFFSET(nm_i->next_scan_nid),  in __f2fs_build_free_nids()
2508 					nm_i->ra_nid_pages, META_NAT, false);  in __f2fs_build_free_nids()
2531 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_alloc_nid()  local
2539 	spin_lock(&nm_i->nid_list_lock);  in f2fs_alloc_nid()
2541 	if (unlikely(nm_i->available_nids == 0)) {  in f2fs_alloc_nid()
2542 		spin_unlock(&nm_i->nid_list_lock);  in f2fs_alloc_nid()
2547 	if (nm_i->nid_cnt[FREE_NID] && !on_f2fs_build_free_nids(nm_i)) {  in f2fs_alloc_nid()
2548 		f2fs_bug_on(sbi, list_empty(&nm_i->free_nid_list));  in f2fs_alloc_nid()
2549 		i = list_first_entry(&nm_i->free_nid_list,  in f2fs_alloc_nid()
2554 		nm_i->available_nids--;  in f2fs_alloc_nid()
2558 		spin_unlock(&nm_i->nid_list_lock);  in f2fs_alloc_nid()
2561 	spin_unlock(&nm_i->nid_list_lock);  in f2fs_alloc_nid()
2574 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_alloc_nid_done()  local
2577 	spin_lock(&nm_i->nid_list_lock);  in f2fs_alloc_nid_done()
2578 	i = __lookup_free_nid_list(nm_i, nid);  in f2fs_alloc_nid_done()
2581 	spin_unlock(&nm_i->nid_list_lock);  in f2fs_alloc_nid_done()
2591 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_alloc_nid_failed()  local
2598 	spin_lock(&nm_i->nid_list_lock);  in f2fs_alloc_nid_failed()
2599 	i = __lookup_free_nid_list(nm_i, nid);  in f2fs_alloc_nid_failed()
2609 	nm_i->available_nids++;  in f2fs_alloc_nid_failed()
2613 	spin_unlock(&nm_i->nid_list_lock);  in f2fs_alloc_nid_failed()
2621 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_try_to_free_nids()  local
2624 	if (nm_i->nid_cnt[FREE_NID] <= MAX_FREE_NIDS)  in f2fs_try_to_free_nids()
2627 	if (!mutex_trylock(&nm_i->build_lock))  in f2fs_try_to_free_nids()
2630 	while (nr_shrink && nm_i->nid_cnt[FREE_NID] > MAX_FREE_NIDS) {  in f2fs_try_to_free_nids()
2634 		spin_lock(&nm_i->nid_list_lock);  in f2fs_try_to_free_nids()
2635 		list_for_each_entry_safe(i, next, &nm_i->free_nid_list, list) {  in f2fs_try_to_free_nids()
2637 				nm_i->nid_cnt[FREE_NID] <= MAX_FREE_NIDS)  in f2fs_try_to_free_nids()
2644 		spin_unlock(&nm_i->nid_list_lock);  in f2fs_try_to_free_nids()
2647 	mutex_unlock(&nm_i->build_lock);  in f2fs_try_to_free_nids()
2847 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in remove_nats_in_journal()  local
2863 		ne = __lookup_nat_cache(nm_i, nid);  in remove_nats_in_journal()
2866 			__init_nat_entry(nm_i, ne, &raw_ne, true);  in remove_nats_in_journal()
2876 			spin_lock(&nm_i->nid_list_lock);  in remove_nats_in_journal()
2877 			nm_i->available_nids--;  in remove_nats_in_journal()
2878 			spin_unlock(&nm_i->nid_list_lock);  in remove_nats_in_journal()
2881 		__set_nat_cache_dirty(nm_i, ne);  in remove_nats_in_journal()
2905 static void __update_nat_bits(struct f2fs_nm_info *nm_i, unsigned int nat_ofs,  in __update_nat_bits()  argument
2909 		__set_bit_le(nat_ofs, nm_i->empty_nat_bits);  in __update_nat_bits()
2910 		__clear_bit_le(nat_ofs, nm_i->full_nat_bits);  in __update_nat_bits()
2914 	__clear_bit_le(nat_ofs, nm_i->empty_nat_bits);  in __update_nat_bits()
2916 		__set_bit_le(nat_ofs, nm_i->full_nat_bits);  in __update_nat_bits()
2918 		__clear_bit_le(nat_ofs, nm_i->full_nat_bits);  in __update_nat_bits()
2924 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in update_nat_bits()  local
2942 	__update_nat_bits(nm_i, nat_index, valid);  in update_nat_bits()
2947 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_enable_nat_bits()  local
2950 	down_read(&nm_i->nat_tree_lock);  in f2fs_enable_nat_bits()
2952 	for (nat_ofs = 0; nat_ofs < nm_i->nat_blocks; nat_ofs++) {  in f2fs_enable_nat_bits()
2963 					nm_i->free_nid_bitmap[nat_ofs]))  in f2fs_enable_nat_bits()
2967 		__update_nat_bits(nm_i, nat_ofs, valid);  in f2fs_enable_nat_bits()
2970 	up_read(&nm_i->nat_tree_lock);  in f2fs_enable_nat_bits()
3053 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_flush_nat_entries()  local
3068 		down_write(&nm_i->nat_tree_lock);  in f2fs_flush_nat_entries()
3070 		up_write(&nm_i->nat_tree_lock);  in f2fs_flush_nat_entries()
3073 	if (!nm_i->nat_cnt[DIRTY_NAT])  in f2fs_flush_nat_entries()
3076 	down_write(&nm_i->nat_tree_lock);  in f2fs_flush_nat_entries()
3085 			nm_i->nat_cnt[DIRTY_NAT], NAT_JOURNAL))  in f2fs_flush_nat_entries()
3088 	while ((found = __gang_lookup_nat_set(nm_i,  in f2fs_flush_nat_entries()
3105 	up_write(&nm_i->nat_tree_lock);  in f2fs_flush_nat_entries()
3114 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in __get_nat_bitmaps()  local
3115 	unsigned int nat_bits_bytes = nm_i->nat_blocks / BITS_PER_BYTE;  in __get_nat_bitmaps()
3120 	nm_i->nat_bits_blocks = F2FS_BLK_ALIGN((nat_bits_bytes << 1) + 8);  in __get_nat_bitmaps()
3121 	nm_i->nat_bits = f2fs_kvzalloc(sbi,  in __get_nat_bitmaps()
3122 			nm_i->nat_bits_blocks << F2FS_BLKSIZE_BITS, GFP_KERNEL);  in __get_nat_bitmaps()
3123 	if (!nm_i->nat_bits)  in __get_nat_bitmaps()
3126 	nm_i->full_nat_bits = nm_i->nat_bits + 8;  in __get_nat_bitmaps()
3127 	nm_i->empty_nat_bits = nm_i->full_nat_bits + nat_bits_bytes;  in __get_nat_bitmaps()
3133 						nm_i->nat_bits_blocks;  in __get_nat_bitmaps()
3134 	for (i = 0; i < nm_i->nat_bits_blocks; i++) {  in __get_nat_bitmaps()
3141 		memcpy(nm_i->nat_bits + (i << F2FS_BLKSIZE_BITS),  in __get_nat_bitmaps()
3147 	if (cpu_to_le64(cp_ver) != *(__le64 *)nm_i->nat_bits) {  in __get_nat_bitmaps()
3150 			cp_ver, le64_to_cpu(*(__le64 *)nm_i->nat_bits));  in __get_nat_bitmaps()
3160 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in load_free_nid_bitmap()  local
3167 	for (i = 0; i < nm_i->nat_blocks; i++) {  in load_free_nid_bitmap()
3168 		i = find_next_bit_le(nm_i->empty_nat_bits, nm_i->nat_blocks, i);  in load_free_nid_bitmap()
3169 		if (i >= nm_i->nat_blocks)  in load_free_nid_bitmap()
3172 		__set_bit_le(i, nm_i->nat_block_bitmap);  in load_free_nid_bitmap()
3183 	for (i = 0; i < nm_i->nat_blocks; i++) {  in load_free_nid_bitmap()
3184 		i = find_next_bit_le(nm_i->full_nat_bits, nm_i->nat_blocks, i);  in load_free_nid_bitmap()
3185 		if (i >= nm_i->nat_blocks)  in load_free_nid_bitmap()
3188 		__set_bit_le(i, nm_i->nat_block_bitmap);  in load_free_nid_bitmap()
3195 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in init_node_manager()  local
3200 	nm_i->nat_blkaddr = le32_to_cpu(sb_raw->nat_blkaddr);  in init_node_manager()
3204 	nm_i->nat_blocks = nat_segs << le32_to_cpu(sb_raw->log_blocks_per_seg);  in init_node_manager()
3205 	nm_i->max_nid = NAT_ENTRY_PER_BLOCK * nm_i->nat_blocks;  in init_node_manager()
3208 	nm_i->available_nids = nm_i->max_nid - sbi->total_valid_node_count -  in init_node_manager()
3210 	nm_i->nid_cnt[FREE_NID] = 0;  in init_node_manager()
3211 	nm_i->nid_cnt[PREALLOC_NID] = 0;  in init_node_manager()
3212 	nm_i->ram_thresh = DEF_RAM_THRESHOLD;  in init_node_manager()
3213 	nm_i->ra_nid_pages = DEF_RA_NID_PAGES;  in init_node_manager()
3214 	nm_i->dirty_nats_ratio = DEF_DIRTY_NAT_RATIO_THRESHOLD;  in init_node_manager()
3216 	INIT_RADIX_TREE(&nm_i->free_nid_root, GFP_ATOMIC);  in init_node_manager()
3217 	INIT_LIST_HEAD(&nm_i->free_nid_list);  in init_node_manager()
3218 	INIT_RADIX_TREE(&nm_i->nat_root, GFP_NOIO);  in init_node_manager()
3219 	INIT_RADIX_TREE(&nm_i->nat_set_root, GFP_NOIO);  in init_node_manager()
3220 	INIT_LIST_HEAD(&nm_i->nat_entries);  in init_node_manager()
3221 	spin_lock_init(&nm_i->nat_list_lock);  in init_node_manager()
3223 	mutex_init(&nm_i->build_lock);  in init_node_manager()
3224 	spin_lock_init(&nm_i->nid_list_lock);  in init_node_manager()
3225 	init_rwsem(&nm_i->nat_tree_lock);  in init_node_manager()
3227 	nm_i->next_scan_nid = le32_to_cpu(sbi->ckpt->next_free_nid);  in init_node_manager()
3228 	nm_i->bitmap_size = __bitmap_size(sbi, NAT_BITMAP);  in init_node_manager()
3230 	nm_i->nat_bitmap = kmemdup(version_bitmap, nm_i->bitmap_size,  in init_node_manager()
3232 	if (!nm_i->nat_bitmap)  in init_node_manager()
3240 	nm_i->nat_bitmap_mir = kmemdup(version_bitmap, nm_i->bitmap_size,  in init_node_manager()
3242 	if (!nm_i->nat_bitmap_mir)  in init_node_manager()
3251 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in init_free_nid_cache()  local
3254 	nm_i->free_nid_bitmap =  in init_free_nid_cache()
3256 					      nm_i->nat_blocks),  in init_free_nid_cache()
3258 	if (!nm_i->free_nid_bitmap)  in init_free_nid_cache()
3261 	for (i = 0; i < nm_i->nat_blocks; i++) {  in init_free_nid_cache()
3262 		nm_i->free_nid_bitmap[i] = f2fs_kvzalloc(sbi,  in init_free_nid_cache()
3264 		if (!nm_i->free_nid_bitmap[i])  in init_free_nid_cache()
3268 	nm_i->nat_block_bitmap = f2fs_kvzalloc(sbi, nm_i->nat_blocks / 8,  in init_free_nid_cache()
3270 	if (!nm_i->nat_block_bitmap)  in init_free_nid_cache()
3273 	nm_i->free_nid_count =  in init_free_nid_cache()
3275 					      nm_i->nat_blocks),  in init_free_nid_cache()
3277 	if (!nm_i->free_nid_count)  in init_free_nid_cache()
3307 	struct f2fs_nm_info *nm_i = NM_I(sbi);  in f2fs_destroy_node_manager()  local
3314 	if (!nm_i)  in f2fs_destroy_node_manager()
3318 	spin_lock(&nm_i->nid_list_lock);  in f2fs_destroy_node_manager()
3319 	list_for_each_entry_safe(i, next_i, &nm_i->free_nid_list, list) {  in f2fs_destroy_node_manager()
3321 		spin_unlock(&nm_i->nid_list_lock);  in f2fs_destroy_node_manager()
3323 		spin_lock(&nm_i->nid_list_lock);  in f2fs_destroy_node_manager()
3325 	f2fs_bug_on(sbi, nm_i->nid_cnt[FREE_NID]);  in f2fs_destroy_node_manager()
3326 	f2fs_bug_on(sbi, nm_i->nid_cnt[PREALLOC_NID]);  in f2fs_destroy_node_manager()
3327 	f2fs_bug_on(sbi, !list_empty(&nm_i->free_nid_list));  in f2fs_destroy_node_manager()
3328 	spin_unlock(&nm_i->nid_list_lock);  in f2fs_destroy_node_manager()
3331 	down_write(&nm_i->nat_tree_lock);  in f2fs_destroy_node_manager()
3332 	while ((found = __gang_lookup_nat_cache(nm_i,  in f2fs_destroy_node_manager()
3338 			spin_lock(&nm_i->nat_list_lock);  in f2fs_destroy_node_manager()
3340 			spin_unlock(&nm_i->nat_list_lock);  in f2fs_destroy_node_manager()
3342 			__del_from_nat_cache(nm_i, natvec[idx]);  in f2fs_destroy_node_manager()
3345 	f2fs_bug_on(sbi, nm_i->nat_cnt[TOTAL_NAT]);  in f2fs_destroy_node_manager()
3349 	while ((found = __gang_lookup_nat_set(nm_i,  in f2fs_destroy_node_manager()
3357 			radix_tree_delete(&nm_i->nat_set_root, setvec[idx]->set);  in f2fs_destroy_node_manager()
3361 	up_write(&nm_i->nat_tree_lock);  in f2fs_destroy_node_manager()
3363 	kvfree(nm_i->nat_block_bitmap);  in f2fs_destroy_node_manager()
3364 	if (nm_i->free_nid_bitmap) {  in f2fs_destroy_node_manager()
3367 		for (i = 0; i < nm_i->nat_blocks; i++)  in f2fs_destroy_node_manager()
3368 			kvfree(nm_i->free_nid_bitmap[i]);  in f2fs_destroy_node_manager()
3369 		kvfree(nm_i->free_nid_bitmap);  in f2fs_destroy_node_manager()
3371 	kvfree(nm_i->free_nid_count);  in f2fs_destroy_node_manager()
3373 	kvfree(nm_i->nat_bitmap);  in f2fs_destroy_node_manager()
3374 	kvfree(nm_i->nat_bits);  in f2fs_destroy_node_manager()
3376 	kvfree(nm_i->nat_bitmap_mir);  in f2fs_destroy_node_manager()
3379 	kfree(nm_i);  in f2fs_destroy_node_manager()