46 строки
1.1 KiB
C
46 строки
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* ifile.h - NILFS inode file
|
|
*
|
|
* Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
|
|
*
|
|
* Written by Amagai Yoshiji.
|
|
* Revised by Ryusuke Konishi.
|
|
*
|
|
*/
|
|
|
|
#ifndef _NILFS_IFILE_H
|
|
#define _NILFS_IFILE_H
|
|
|
|
#include <linux/fs.h>
|
|
#include <linux/buffer_head.h>
|
|
#include "mdt.h"
|
|
#include "alloc.h"
|
|
|
|
|
|
static inline struct nilfs_inode *
|
|
nilfs_ifile_map_inode(struct inode *ifile, ino_t ino, struct buffer_head *ibh)
|
|
{
|
|
void *kaddr = kmap(ibh->b_page);
|
|
|
|
return nilfs_palloc_block_get_entry(ifile, ino, ibh, kaddr);
|
|
}
|
|
|
|
static inline void nilfs_ifile_unmap_inode(struct inode *ifile, ino_t ino,
|
|
struct buffer_head *ibh)
|
|
{
|
|
kunmap(ibh->b_page);
|
|
}
|
|
|
|
int nilfs_ifile_create_inode(struct inode *, ino_t *, struct buffer_head **);
|
|
int nilfs_ifile_delete_inode(struct inode *, ino_t);
|
|
int nilfs_ifile_get_inode_block(struct inode *, ino_t, struct buffer_head **);
|
|
|
|
int nilfs_ifile_count_free_inodes(struct inode *, u64 *, u64 *);
|
|
|
|
int nilfs_ifile_read(struct super_block *sb, struct nilfs_root *root,
|
|
size_t inode_size, struct nilfs_inode *raw_inode,
|
|
struct inode **inodep);
|
|
|
|
#endif /* _NILFS_IFILE_H */
|