1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * QNX6 file system, Linux implementation.
4 *
5 * Version : 1.0.0
6 *
7 * History :
8 *
9 * 01-02-2012 by Kai Bankett (chaosman@ontika.net) : first release.
10 * 16-02-2012 pagemap extension by Al Viro
11 *
12 */
13
14 #include "qnx6.h"
15
qnx6_lookup(struct inode * dir,struct dentry * dentry,unsigned int flags)16 struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry,
17 unsigned int flags)
18 {
19 unsigned ino;
20 struct inode *foundinode = NULL;
21 const char *name = dentry->d_name.name;
22 int len = dentry->d_name.len;
23
24 if (len > QNX6_LONG_NAME_MAX)
25 return ERR_PTR(-ENAMETOOLONG);
26
27 ino = qnx6_find_ino(len, dir, name);
28 if (ino) {
29 foundinode = qnx6_iget(dir->i_sb, ino);
30 if (IS_ERR(foundinode))
31 pr_debug("lookup->iget -> error %ld\n",
32 PTR_ERR(foundinode));
33 } else {
34 pr_debug("%s(): not found %s\n", __func__, name);
35 }
36 return d_splice_alias(foundinode, dentry);
37 }
38