dir.h revision 0bfbbf62a8b5a129ba2c689283bfece80a601aba
1ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh/* -*- mode: c; c-basic-offset: 8; -*- 2ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * vim: noexpandtab sw=8 ts=8 sts=0: 3ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * 4ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * dir.h 5ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * 6ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * Function prototypes 7ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * 8ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * Copyright (C) 2002, 2004 Oracle. All rights reserved. 9ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * 10ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * This program is free software; you can redistribute it and/or 11ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * modify it under the terms of the GNU General Public 12ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * License as published by the Free Software Foundation; either 13ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * version 2 of the License, or (at your option) any later version. 14ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * 15ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * This program is distributed in the hope that it will be useful, 16ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * but WITHOUT ANY WARRANTY; without even the implied warranty of 17ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * General Public License for more details. 19ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * 20ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * You should have received a copy of the GNU General Public 21ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * License along with this program; if not, write to the 22ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 23ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh * Boston, MA 021110-1307, USA. 24ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh */ 25ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh 26ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh#ifndef OCFS2_DIR_H 27ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh#define OCFS2_DIR_H 28ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh 29316f4b9f98a353ac1be93199694fd97272378815Mark Fashehstruct buffer_head *ocfs2_find_entry(const char *name, 30316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh int namelen, 31316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct inode *dir, 32316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct ocfs2_dir_entry **res_dir); 33316f4b9f98a353ac1be93199694fd97272378815Mark Fashehint ocfs2_delete_entry(handle_t *handle, 34316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct inode *dir, 35316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct ocfs2_dir_entry *de_del, 36316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct buffer_head *bh); 37316f4b9f98a353ac1be93199694fd97272378815Mark Fashehint __ocfs2_add_entry(handle_t *handle, 38316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct inode *dir, 39316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh const char *name, int namelen, 40316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct inode *inode, u64 blkno, 41316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct buffer_head *parent_fe_bh, 42316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct buffer_head *insert_bh); 43316f4b9f98a353ac1be93199694fd97272378815Mark Fashehstatic inline int ocfs2_add_entry(handle_t *handle, 44316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct dentry *dentry, 45316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct inode *inode, u64 blkno, 46316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct buffer_head *parent_fe_bh, 47316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct buffer_head *insert_bh) 48316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh{ 49316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh return __ocfs2_add_entry(handle, dentry->d_parent->d_inode, 50316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh dentry->d_name.name, dentry->d_name.len, 51316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh inode, blkno, parent_fe_bh, insert_bh); 52316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh} 53316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh 54ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fashehint ocfs2_check_dir_for_entry(struct inode *dir, 55ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh const char *name, 56ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh int namelen); 570bfbbf62a8b5a129ba2c689283bfece80a601abaMark Fashehint ocfs2_empty_dir(struct inode *inode); 58ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fashehint ocfs2_find_files_on_disk(const char *name, 59ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh int namelen, 60ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh u64 *blkno, 61ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh struct inode *inode, 62ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh struct buffer_head **dirent_bh, 63ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh struct ocfs2_dir_entry **dirent); 64ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fashehint ocfs2_readdir(struct file *filp, void *dirent, filldir_t filldir); 655eae5b96fc86e6c85f5f90e90fe9e6966f1fec63Mark Fashehint ocfs2_dir_foreach(struct inode *inode, loff_t *f_pos, void *priv, 665eae5b96fc86e6c85f5f90e90fe9e6966f1fec63Mark Fasheh filldir_t filldir); 67ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fashehint ocfs2_prepare_dir_for_insert(struct ocfs2_super *osb, 68ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh struct inode *dir, 69ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh struct buffer_head *parent_fe_bh, 70ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh const char *name, 71ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh int namelen, 72ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh struct buffer_head **ret_de_bh); 73ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fashehstruct ocfs2_alloc_context; 74316f4b9f98a353ac1be93199694fd97272378815Mark Fashehint ocfs2_fill_new_dir(struct ocfs2_super *osb, 75316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh handle_t *handle, 76316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct inode *parent, 77316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct inode *inode, 78316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct buffer_head *fe_bh, 79316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh struct ocfs2_alloc_context *data_ac); 80316f4b9f98a353ac1be93199694fd97272378815Mark Fasheh 81ccd979bdbce9fba8412beb3f1de68a9d0171b12cMark Fasheh#endif /* OCFS2_DIR_H */ 82