2751 	struct btrfs_block_rsv *global_rsv;  in btrfs_check_space_for_delayed_refs()  local
2767 	global_rsv = &fs_info->global_block_rsv;  in btrfs_check_space_for_delayed_refs()
2773 	if (global_rsv->space_info->full) {  in btrfs_check_space_for_delayed_refs()
2778 	spin_lock(&global_rsv->lock);  in btrfs_check_space_for_delayed_refs()
2779 	if (global_rsv->reserved <= num_bytes + num_dirty_bgs_bytes)  in btrfs_check_space_for_delayed_refs()
2781 	spin_unlock(&global_rsv->lock);  in btrfs_check_space_for_delayed_refs()
4328 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in should_alloc_chunk()  local
4341 		bytes_used += calc_global_rsv_need_space(global_rsv);  in should_alloc_chunk()
4570 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in can_overcommit()  local
4594 	spin_lock(&global_rsv->lock);  in can_overcommit()
4595 	space_size = calc_global_rsv_need_space(global_rsv);  in can_overcommit()
4596 	spin_unlock(&global_rsv->lock);  in can_overcommit()
5226 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in reserve_metadata_bytes()  local
5234 		if (block_rsv != global_rsv &&  in reserve_metadata_bytes()
5235 		    !block_rsv_use_bytes(global_rsv, orig_bytes))  in reserve_metadata_bytes()
5302 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_cond_migrate_bytes()  local
5305 	if (global_rsv->space_info != dest->space_info)  in btrfs_cond_migrate_bytes()
5308 	spin_lock(&global_rsv->lock);  in btrfs_cond_migrate_bytes()
5309 	min_bytes = div_factor(global_rsv->size, min_factor);  in btrfs_cond_migrate_bytes()
5310 	if (global_rsv->reserved < min_bytes + num_bytes) {  in btrfs_cond_migrate_bytes()
5311 		spin_unlock(&global_rsv->lock);  in btrfs_cond_migrate_bytes()
5314 	global_rsv->reserved -= num_bytes;  in btrfs_cond_migrate_bytes()
5315 	if (global_rsv->reserved < global_rsv->size)  in btrfs_cond_migrate_bytes()
5316 		global_rsv->full = 0;  in btrfs_cond_migrate_bytes()
5317 	spin_unlock(&global_rsv->lock);  in btrfs_cond_migrate_bytes()
5659 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_inode_rsv_release()  local
5669 	released = block_rsv_release_bytes(fs_info, block_rsv, global_rsv, 0,  in btrfs_inode_rsv_release()
5685 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_block_rsv_release()  local
5687 	if (global_rsv == block_rsv ||  in btrfs_block_rsv_release()
5688 	    block_rsv->space_info != global_rsv->space_info)  in btrfs_block_rsv_release()
5689 		global_rsv = NULL;  in btrfs_block_rsv_release()
5690 	block_rsv_release_bytes(fs_info, block_rsv, global_rsv, num_bytes, NULL);  in btrfs_block_rsv_release()
5820 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_subvolume_reserve_metadata()  local
5838 		ret = btrfs_block_rsv_migrate(global_rsv, rsv, num_bytes, 1);  in btrfs_subvolume_reserve_metadata()
6511 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in unpin_extent_range()  local
6576 		    global_rsv->space_info == space_info) {  in unpin_extent_range()
6579 			spin_lock(&global_rsv->lock);  in unpin_extent_range()
6580 			if (!global_rsv->full) {  in unpin_extent_range()
6581 				to_add = min(len, global_rsv->size -  in unpin_extent_range()
6582 					     global_rsv->reserved);  in unpin_extent_range()
6583 				global_rsv->reserved += to_add;  in unpin_extent_range()
6585 				if (global_rsv->reserved >= global_rsv->size)  in unpin_extent_range()
6586 					global_rsv->full = 1;  in unpin_extent_range()
6593 			spin_unlock(&global_rsv->lock);  in unpin_extent_range()
8166 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in use_block_rsv()  local
8207 	    block_rsv->space_info == global_rsv->space_info) {  in use_block_rsv()
8208 		ret = block_rsv_use_bytes(global_rsv, blocksize);  in use_block_rsv()
8210 			return global_rsv;  in use_block_rsv()