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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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38760e2432
ocfs2_rename() does direct manipulation of the dirent it's gotten back from a directory search. Wrap this manipulation inside of a function so that we can transparently change directory update behavior in the future. As an added bonus, this gets rid of an ugly macro. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Reviewed-by: Joel Becker <joel.becker@oracle.com>
87 lines
3.0 KiB
C
87 lines
3.0 KiB
C
/* -*- mode: c; c-basic-offset: 8; -*-
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* vim: noexpandtab sw=8 ts=8 sts=0:
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*
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* dir.h
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*
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* Function prototypes
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*
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* Copyright (C) 2002, 2004 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (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 GNU
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* 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
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef OCFS2_DIR_H
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#define OCFS2_DIR_H
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struct buffer_head *ocfs2_find_entry(const char *name,
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int namelen,
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struct inode *dir,
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struct ocfs2_dir_entry **res_dir);
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int ocfs2_delete_entry(handle_t *handle,
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struct inode *dir,
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struct ocfs2_dir_entry *de_del,
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struct buffer_head *bh);
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int __ocfs2_add_entry(handle_t *handle,
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struct inode *dir,
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const char *name, int namelen,
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struct inode *inode, u64 blkno,
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struct buffer_head *parent_fe_bh,
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struct buffer_head *insert_bh);
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static inline int ocfs2_add_entry(handle_t *handle,
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struct dentry *dentry,
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struct inode *inode, u64 blkno,
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struct buffer_head *parent_fe_bh,
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struct buffer_head *insert_bh)
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{
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return __ocfs2_add_entry(handle, dentry->d_parent->d_inode,
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dentry->d_name.name, dentry->d_name.len,
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inode, blkno, parent_fe_bh, insert_bh);
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}
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int ocfs2_update_entry(struct inode *dir, handle_t *handle,
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struct buffer_head *de_bh, struct ocfs2_dir_entry *de,
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struct inode *new_entry_inode);
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int ocfs2_check_dir_for_entry(struct inode *dir,
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const char *name,
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int namelen);
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int ocfs2_empty_dir(struct inode *inode);
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int ocfs2_find_files_on_disk(const char *name,
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int namelen,
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u64 *blkno,
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struct inode *inode,
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struct buffer_head **dirent_bh,
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struct ocfs2_dir_entry **dirent);
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int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name,
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int namelen, u64 *blkno);
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int ocfs2_readdir(struct file *filp, void *dirent, filldir_t filldir);
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int ocfs2_dir_foreach(struct inode *inode, loff_t *f_pos, void *priv,
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filldir_t filldir);
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int ocfs2_prepare_dir_for_insert(struct ocfs2_super *osb,
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struct inode *dir,
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struct buffer_head *parent_fe_bh,
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const char *name,
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int namelen,
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struct buffer_head **ret_de_bh);
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struct ocfs2_alloc_context;
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int ocfs2_fill_new_dir(struct ocfs2_super *osb,
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handle_t *handle,
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struct inode *parent,
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struct inode *inode,
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struct buffer_head *fe_bh,
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struct ocfs2_alloc_context *data_ac);
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#endif /* OCFS2_DIR_H */
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