/* * ifile.h - NILFS inode file * * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * Written by Amagai Yoshiji <amagai@osrg.net> * Revised by Ryusuke Konishi <ryusuke@osrg.net> * */ #ifndef _NILFS_IFILE_H #define _NILFS_IFILE_H #include <linux/fs.h> #include <linux/buffer_head.h> #include <linux/nilfs2_fs.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 */