blob: 03736e20d72076cec96eb0c57aa0c9bf8f901e59 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Symlink inode operations for Coda filesystem
3 * Original version: (C) 1996 P. Braam and M. Callahan
4 * Rewritten for Linux 2.1. (C) 1997 Carnegie Mellon University
5 *
6 * Carnegie Mellon encourages users to contribute improvements to
7 * the Coda project. Contact Peter Braam (coda@cs.cmu.edu).
8 */
9
10#include <linux/types.h>
11#include <linux/kernel.h>
12#include <linux/time.h>
13#include <linux/fs.h>
14#include <linux/stat.h>
15#include <linux/errno.h>
16#include <linux/pagemap.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
18#include <linux/coda.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#include <linux/coda_psdev.h>
Al Viro31a203d2011-01-12 16:36:09 -050020
21#include "coda_linux.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070022
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;
Al Viro21fc61c2015-11-17 01:07:57 -050029 char *p = page_address(page);
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
Linus Torvalds1da177e2005-04-16 15:20:36 -070031 cii = ITOC(inode);
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
33 error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 if (error)
35 goto fail;
36 SetPageUptodate(page);
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 unlock_page(page);
38 return 0;
39
40fail:
41 SetPageError(page);
Linus Torvalds1da177e2005-04-16 15:20:36 -070042 unlock_page(page);
43 return error;
44}
45
Christoph Hellwigf5e54d62006-06-28 04:26:44 -070046const struct address_space_operations coda_symlink_aops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 .readpage = coda_symlink_filler,
48};