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8707df3847
Will displace nilfs_mdt_read_inode_direct function with an individual read method: nilfs_dat_read, nilfs_sufile_read, nilfs_cpfile_read. This provides the opportunity to initialize local variables of each metadata file after reading the inode. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
/*
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* dat.h - NILFS disk address translation.
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*
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* Copyright (C) 2006-2008 Nippon Telegraph and Telephone Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Written by Koji Sato <koji@osrg.net>.
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*/
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#ifndef _NILFS_DAT_H
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#define _NILFS_DAT_H
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#include <linux/types.h>
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#include <linux/buffer_head.h>
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#include <linux/fs.h>
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struct nilfs_palloc_req;
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int nilfs_dat_translate(struct inode *, __u64, sector_t *);
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int nilfs_dat_prepare_alloc(struct inode *, struct nilfs_palloc_req *);
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void nilfs_dat_commit_alloc(struct inode *, struct nilfs_palloc_req *);
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void nilfs_dat_abort_alloc(struct inode *, struct nilfs_palloc_req *);
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int nilfs_dat_prepare_start(struct inode *, struct nilfs_palloc_req *);
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void nilfs_dat_commit_start(struct inode *, struct nilfs_palloc_req *,
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sector_t);
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int nilfs_dat_prepare_end(struct inode *, struct nilfs_palloc_req *);
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void nilfs_dat_commit_end(struct inode *, struct nilfs_palloc_req *, int);
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void nilfs_dat_abort_end(struct inode *, struct nilfs_palloc_req *);
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int nilfs_dat_prepare_update(struct inode *, struct nilfs_palloc_req *,
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struct nilfs_palloc_req *);
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void nilfs_dat_commit_update(struct inode *, struct nilfs_palloc_req *,
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struct nilfs_palloc_req *, int);
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void nilfs_dat_abort_update(struct inode *, struct nilfs_palloc_req *,
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struct nilfs_palloc_req *);
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int nilfs_dat_mark_dirty(struct inode *, __u64);
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int nilfs_dat_freev(struct inode *, __u64 *, size_t);
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int nilfs_dat_move(struct inode *, __u64, sector_t);
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ssize_t nilfs_dat_get_vinfo(struct inode *, void *, unsigned, size_t);
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int nilfs_dat_read(struct inode *dat, struct nilfs_inode *raw_inode);
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struct inode *nilfs_dat_new(struct the_nilfs *nilfs, size_t entry_size);
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#endif /* _NILFS_DAT_H */
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