struct btrfs_root *root)
{
memset(io_ctl, 0, sizeof(struct io_ctl));
- io_ctl->num_pages = (size + root->fs_info->sectorsize - 1) /
- root->fs_info->sectorsize;
+ io_ctl->num_pages = DIV_ROUND_UP(size, root->fs_info->sectorsize);
io_ctl->buffer = kzalloc(size, GFP_NOFS);
if (!io_ctl->buffer)
return -ENOMEM;