void nilfs_btnode_cache_init_once(struct address_space *btnc)
{
- memset(btnc, 0, sizeof(*btnc));
- INIT_RADIX_TREE(&btnc->page_tree, GFP_ATOMIC);
- spin_lock_init(&btnc->tree_lock);
- INIT_LIST_HEAD(&btnc->private_list);
- spin_lock_init(&btnc->private_lock);
-
- spin_lock_init(&btnc->i_mmap_lock);
- INIT_RAW_PRIO_TREE_ROOT(&btnc->i_mmap);
- INIT_LIST_HEAD(&btnc->i_mmap_nonlinear);
+ nilfs_mapping_init_once(btnc);
}
static const struct address_space_operations def_btnode_aops = {
void nilfs_btnode_cache_init(struct address_space *btnc,
struct backing_dev_info *bdi)
{
- btnc->host = NULL; /* can safely set to host inode ? */
- btnc->flags = 0;
- mapping_set_gfp_mask(btnc, GFP_NOFS);
- btnc->assoc_mapping = NULL;
- btnc->backing_dev_info = bdi;
- btnc->a_ops = &def_btnode_aops;
+ nilfs_mapping_init(btnc, bdi, &def_btnode_aops);
}
void nilfs_btnode_cache_clear(struct address_space *btnc)