mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-24 04:34:08 +08:00
40 lines
895 B
C
40 lines
895 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* QNX6 file system, Linux implementation.
|
|
*
|
|
* Version : 1.0.0
|
|
*
|
|
* History :
|
|
*
|
|
* 01-02-2012 by Kai Bankett (chaosman@ontika.net) : first release.
|
|
* 16-02-2012 pagemap extension by Al Viro
|
|
*
|
|
*/
|
|
|
|
#include "qnx6.h"
|
|
|
|
struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry,
|
|
unsigned int flags)
|
|
{
|
|
unsigned ino;
|
|
struct page *page;
|
|
struct inode *foundinode = NULL;
|
|
const char *name = dentry->d_name.name;
|
|
int len = dentry->d_name.len;
|
|
|
|
if (len > QNX6_LONG_NAME_MAX)
|
|
return ERR_PTR(-ENAMETOOLONG);
|
|
|
|
ino = qnx6_find_entry(len, dir, name, &page);
|
|
if (ino) {
|
|
foundinode = qnx6_iget(dir->i_sb, ino);
|
|
qnx6_put_page(page);
|
|
if (IS_ERR(foundinode))
|
|
pr_debug("lookup->iget -> error %ld\n",
|
|
PTR_ERR(foundinode));
|
|
} else {
|
|
pr_debug("%s(): not found %s\n", __func__, name);
|
|
}
|
|
return d_splice_alias(foundinode, dentry);
|
|
}
|