btrfs_block_rsv_migrate
int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes, true);
ret = btrfs_block_rsv_migrate(src_rsv, dst_rsv, num_bytes, true);
ret = btrfs_block_rsv_migrate(&fs_info->trans_block_rsv, &rsv,
ret = btrfs_block_rsv_migrate(&fs_info->trans_block_rsv,
btrfs_block_rsv_migrate(rsv, trans->block_rsv,
ret = btrfs_block_rsv_migrate(&fs_info->trans_block_rsv, &rsv,
ret = btrfs_block_rsv_migrate(&fs_info->trans_block_rsv,
ret = btrfs_block_rsv_migrate(&pending->block_rsv,
ret = btrfs_block_rsv_migrate(global_rsv, rsv, num_bytes, true);