delayed-inode.h | Explore in Territory

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2011 Fujitsu.  All rights reserved.
 * Written by Miao Xie <[email protected]>
 */

#ifndef BTRFS_DELAYED_INODE_H
#define BTRFS_DELAYED_INODE_H

#include <linux/types.h>
#include <linux/rbtree.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/list.h>
#include <linux/wait.h>
#include <linux/fs.h>
#include <linux/atomic.h>
#include <linux/refcount.h>
#include "ctree.h"

struct btrfs_disk_key;
struct btrfs_fs_info;
struct btrfs_inode;
struct btrfs_root;
struct btrfs_trans_handle;

enum btrfs_delayed_item_type { … };

struct btrfs_delayed_root { … };

#define BTRFS_DELAYED_NODE_IN_LIST …
#define BTRFS_DELAYED_NODE_INODE_DIRTY …
#define BTRFS_DELAYED_NODE_DEL_IREF …

struct btrfs_delayed_node { … };

struct btrfs_delayed_item { … };

void btrfs_init_delayed_root(struct btrfs_delayed_root *delayed_root);
int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans,
				   const char *name, int name_len,
				   struct btrfs_inode *dir,
				   const struct btrfs_disk_key *disk_key, u8 flags,
				   u64 index);

int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans,
				   struct btrfs_inode *dir, u64 index);

int btrfs_inode_delayed_dir_index_count(struct btrfs_inode *inode);

int btrfs_run_delayed_items(struct btrfs_trans_handle *trans);
int btrfs_run_delayed_items_nr(struct btrfs_trans_handle *trans, int nr);

void btrfs_balance_delayed_items(struct btrfs_fs_info *fs_info);

int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans,
				     struct btrfs_inode *inode);
/* Used for evicting the inode. */
void btrfs_remove_delayed_node(struct btrfs_inode *inode);
void btrfs_kill_delayed_inode_items(struct btrfs_inode *inode);
int btrfs_commit_inode_delayed_inode(struct btrfs_inode *inode);


int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
			       struct btrfs_inode *inode);
int btrfs_fill_inode(struct inode *inode, u32 *rdev);
int btrfs_delayed_delete_inode_ref(struct btrfs_inode *inode);

/* Used for drop dead root */
void btrfs_kill_all_delayed_nodes(struct btrfs_root *root);

/* Used for clean the transaction */
void btrfs_destroy_delayed_inodes(struct btrfs_fs_info *fs_info);

/* Used for readdir() */
bool btrfs_readdir_get_delayed_items(struct btrfs_inode *inode,
				     u64 last_index,
				     struct list_head *ins_list,
				     struct list_head *del_list);
void btrfs_readdir_put_delayed_items(struct btrfs_inode *inode,
				     struct list_head *ins_list,
				     struct list_head *del_list);
int btrfs_should_delete_dir_index(const struct list_head *del_list,
				  u64 index);
int btrfs_readdir_delayed_dir_index(struct dir_context *ctx,
				    const struct list_head *ins_list);

/* Used during directory logging. */
void btrfs_log_get_delayed_items(struct btrfs_inode *inode,
				 struct list_head *ins_list,
				 struct list_head *del_list);
void btrfs_log_put_delayed_items(struct btrfs_inode *inode,
				 struct list_head *ins_list,
				 struct list_head *del_list);

/* for init */
int __init btrfs_delayed_inode_init(void);
void __cold btrfs_delayed_inode_exit(void);

/* for debugging */
void btrfs_assert_delayed_root_empty(struct btrfs_fs_info *fs_info);

#endif
linux/fs/btrfs/delayed-inode.h
