1 /* SPDX-License-Identifier: GPL-2.0+ */ << 2 /* 1 /* 3 * NILFS inode file !! 2 * ifile.h - NILFS inode file 4 * 3 * 5 * Copyright (C) 2006-2008 Nippon Telegraph an 4 * Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation. 6 * 5 * >> 6 * This program is free software; you can redistribute it and/or modify >> 7 * it under the terms of the GNU General Public License as published by >> 8 * the Free Software Foundation; either version 2 of the License, or >> 9 * (at your option) any later version. >> 10 * >> 11 * This program is distributed in the hope that it will be useful, >> 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of >> 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> 14 * GNU General Public License for more details. >> 15 * 7 * Written by Amagai Yoshiji. 16 * Written by Amagai Yoshiji. 8 * Revised by Ryusuke Konishi. 17 * Revised by Ryusuke Konishi. 9 * 18 * 10 */ 19 */ 11 20 12 #ifndef _NILFS_IFILE_H 21 #ifndef _NILFS_IFILE_H 13 #define _NILFS_IFILE_H 22 #define _NILFS_IFILE_H 14 23 15 #include <linux/fs.h> 24 #include <linux/fs.h> 16 #include <linux/buffer_head.h> 25 #include <linux/buffer_head.h> 17 #include "mdt.h" 26 #include "mdt.h" 18 #include "alloc.h" 27 #include "alloc.h" 19 28 20 29 21 static inline struct nilfs_inode * 30 static inline struct nilfs_inode * 22 nilfs_ifile_map_inode(struct inode *ifile, ino 31 nilfs_ifile_map_inode(struct inode *ifile, ino_t ino, struct buffer_head *ibh) 23 { 32 { 24 void *kaddr = kmap_local_page(ibh->b_p !! 33 void *kaddr = kmap(ibh->b_page); 25 34 26 return nilfs_palloc_block_get_entry(if 35 return nilfs_palloc_block_get_entry(ifile, ino, ibh, kaddr); 27 } 36 } 28 37 29 static inline void nilfs_ifile_unmap_inode(str !! 38 static inline void nilfs_ifile_unmap_inode(struct inode *ifile, ino_t ino, >> 39 struct buffer_head *ibh) 30 { 40 { 31 kunmap_local(raw_inode); !! 41 kunmap(ibh->b_page); 32 } 42 } 33 43 34 int nilfs_ifile_create_inode(struct inode *, i 44 int nilfs_ifile_create_inode(struct inode *, ino_t *, struct buffer_head **); 35 int nilfs_ifile_delete_inode(struct inode *, i 45 int nilfs_ifile_delete_inode(struct inode *, ino_t); 36 int nilfs_ifile_get_inode_block(struct inode * 46 int nilfs_ifile_get_inode_block(struct inode *, ino_t, struct buffer_head **); 37 47 38 int nilfs_ifile_count_free_inodes(struct inode 48 int nilfs_ifile_count_free_inodes(struct inode *, u64 *, u64 *); 39 49 40 int nilfs_ifile_read(struct super_block *sb, s 50 int nilfs_ifile_read(struct super_block *sb, struct nilfs_root *root, 41 __u64 cno, size_t inode_s !! 51 size_t inode_size, struct nilfs_inode *raw_inode, >> 52 struct inode **inodep); 42 53 43 #endif /* _NILFS_IFILE_H */ 54 #endif /* _NILFS_IFILE_H */ 44 55
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