blob: 8adf810424986b1601e9ac1830d4a6a7dc49043e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// SPDX-License-Identifier: GPL-2.0
/*
* Symlink inode operations for Coda filesystem
* Original version: (C) 1996 P. Braam and M. Callahan
* Rewritten for Linux 2.1. (C) 1997 Carnegie Mellon University
*
* Carnegie Mellon encourages users to contribute improvements to
* the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <linux/fs.h>
#include <linux/stat.h>
#include <linux/errno.h>
#include <linux/pagemap.h>
#include <linux/coda.h>
#include "coda_psdev.h"
#include "coda_linux.h"
static int coda_symlink_filler(struct file *file, struct folio *folio)
{
struct page *page = &folio->page;
struct inode *inode = folio->mapping->host;
int error;
struct coda_inode_info *cii;
unsigned int len = PAGE_SIZE;
char *p = page_address(page);
cii = ITOC(inode);
error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
if (error)
goto fail;
SetPageUptodate(page);
unlock_page(page);
return 0;
fail:
SetPageError(page);
unlock_page(page);
return error;
}
const struct address_space_operations coda_symlink_aops = {
.read_folio = coda_symlink_filler,
};
|