linux/fs/qnx4/namei.c

// SPDX-License-Identifier: GPL-2.0
/* 
 * QNX4 file system, Linux implementation.
 * 
 * Version : 0.2.1
 * 
 * Using parts of the xiafs filesystem.
 * 
 * History :
 * 
 * 01-06-1998 by Richard Frowijn : first release.
 * 21-06-1998 by Frank Denis : dcache support, fixed error codes.
 * 04-07-1998 by Frank Denis : first step for rmdir/unlink.
 */

#include <linux/buffer_head.h>
#include "qnx4.h"


/*
 * check if the filename is correct. For some obscure reason, qnx writes a
 * new file twice in the directory entry, first with all possible options at 0
 * and for a second time the way it is, they want us not to access the qnx
 * filesystem when whe are using linux.
 */
static int qnx4_match(int len, const char *name,
		      struct buffer_head *bh, unsigned long *offset)
{ … }

static struct buffer_head *qnx4_find_entry(int len, struct inode *dir,
	   const char *name, struct qnx4_inode_entry **res_dir, int *ino)
{ … }

struct dentry * qnx4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
{ … }