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