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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* NILFS inode file
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*
* Copyright ( C ) 2006 - 2008 Nippon Telegraph and Telephone Corporation .
*
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* Written by Amagai Yoshiji .
* Revised by Ryusuke Konishi .
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*
*/
# 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 )
{
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void * kaddr = kmap_local_page ( ibh - > b_page ) ;
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return nilfs_palloc_block_get_entry ( ifile , ino , ibh , kaddr ) ;
}
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static inline void nilfs_ifile_unmap_inode ( struct nilfs_inode * raw_inode )
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{
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kunmap_local ( raw_inode ) ;
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}
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 * * ) ;
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int nilfs_ifile_count_free_inodes ( struct inode * , u64 * , u64 * ) ;
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int nilfs_ifile_read ( struct super_block * sb , struct nilfs_root * root ,
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__u64 cno , size_t inode_size ) ;
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# endif /* _NILFS_IFILE_H */