11 				    struct btrfs_block_rsv *dest, u64 num_bytes,  in block_rsv_release_bytes()  argument
19 	if (num_bytes == (u64)-1) {  in block_rsv_release_bytes()
20 		num_bytes = block_rsv->size;  in block_rsv_release_bytes()
23 	block_rsv->size -= num_bytes;  in block_rsv_release_bytes()
25 		num_bytes = block_rsv->reserved - block_rsv->size;  in block_rsv_release_bytes()
29 		num_bytes = 0;  in block_rsv_release_bytes()
40 	ret = num_bytes;  in block_rsv_release_bytes()
41 	if (num_bytes > 0) {  in block_rsv_release_bytes()
48 				bytes_to_add = min(num_bytes, bytes_to_add);  in block_rsv_release_bytes()
52 				num_bytes -= bytes_to_add;  in block_rsv_release_bytes()
56 		if (num_bytes)  in block_rsv_release_bytes()
59 							    num_bytes);  in block_rsv_release_bytes()
67 			    struct btrfs_block_rsv *dst, u64 num_bytes,  in btrfs_block_rsv_migrate()  argument
72 	ret = btrfs_block_rsv_use_bytes(src, num_bytes);  in btrfs_block_rsv_migrate()
76 	btrfs_block_rsv_add_bytes(dst, num_bytes, update_size);  in btrfs_block_rsv_migrate()
119 			struct btrfs_block_rsv *block_rsv, u64 num_bytes,  in btrfs_block_rsv_add()  argument
124 	if (num_bytes == 0)  in btrfs_block_rsv_add()
127 	ret = btrfs_reserve_metadata_bytes(root, block_rsv, num_bytes, flush);  in btrfs_block_rsv_add()
129 		btrfs_block_rsv_add_bytes(block_rsv, num_bytes, true);  in btrfs_block_rsv_add()
136 	u64 num_bytes = 0;  in btrfs_block_rsv_check()  local
143 	num_bytes = div_factor(block_rsv->size, min_factor);  in btrfs_block_rsv_check()
144 	if (block_rsv->reserved >= num_bytes)  in btrfs_block_rsv_check()
155 	u64 num_bytes = 0;  in btrfs_block_rsv_refill()  local
162 	num_bytes = min_reserved;  in btrfs_block_rsv_refill()
163 	if (block_rsv->reserved >= num_bytes)  in btrfs_block_rsv_refill()
166 		num_bytes -= block_rsv->reserved;  in btrfs_block_rsv_refill()
172 	ret = btrfs_reserve_metadata_bytes(root, block_rsv, num_bytes, flush);  in btrfs_block_rsv_refill()
174 		btrfs_block_rsv_add_bytes(block_rsv, num_bytes, false);  in btrfs_block_rsv_refill()
183 			      u64 num_bytes, u64 *qgroup_to_release)  in __btrfs_block_rsv_release()  argument
201 	return block_rsv_release_bytes(fs_info, block_rsv, target, num_bytes,  in __btrfs_block_rsv_release()
205 int btrfs_block_rsv_use_bytes(struct btrfs_block_rsv *block_rsv, u64 num_bytes)  in btrfs_block_rsv_use_bytes()  argument
210 	if (block_rsv->reserved >= num_bytes) {  in btrfs_block_rsv_use_bytes()
211 		block_rsv->reserved -= num_bytes;  in btrfs_block_rsv_use_bytes()
221 			       u64 num_bytes, bool update_size)  in btrfs_block_rsv_add_bytes()  argument
224 	block_rsv->reserved += num_bytes;  in btrfs_block_rsv_add_bytes()
226 		block_rsv->size += num_bytes;  in btrfs_block_rsv_add_bytes()
233 			     struct btrfs_block_rsv *dest, u64 num_bytes,  in btrfs_cond_migrate_bytes()  argument
244 	if (global_rsv->reserved < min_bytes + num_bytes) {  in btrfs_cond_migrate_bytes()
248 	global_rsv->reserved -= num_bytes;  in btrfs_cond_migrate_bytes()
253 	btrfs_block_rsv_add_bytes(dest, num_bytes, true);  in btrfs_cond_migrate_bytes()
261 	u64 num_bytes;  in btrfs_update_global_block_rsv()  local
269 	num_bytes = btrfs_root_used(&fs_info->extent_root->root_item) +  in btrfs_update_global_block_rsv()
290 	num_bytes = max_t(u64, num_bytes,  in btrfs_update_global_block_rsv()
296 	block_rsv->size = min_t(u64, num_bytes, SZ_512M);  in btrfs_update_global_block_rsv()
299 		num_bytes = block_rsv->size - block_rsv->reserved;  in btrfs_update_global_block_rsv()
300 		block_rsv->reserved += num_bytes;  in btrfs_update_global_block_rsv()
302 						      num_bytes);  in btrfs_update_global_block_rsv()
304 		num_bytes = block_rsv->reserved - block_rsv->size;  in btrfs_update_global_block_rsv()
306 						      -num_bytes);  in btrfs_update_global_block_rsv()