linux-stable/fs/qnx6/namei.c
Al Viro c1481700f4 qnx6_lookup: switch to d_splice_alias()
... and hash negative lookups

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-05-22 14:27:54 -04:00

39 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);
}