blob: af78f007a2b0565418bf94b7793e7927315d2953 [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>
19#include <linux/coda_linux.h>
20#include <linux/coda_psdev.h>
21#include <linux/coda_fs_i.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;
29 char *p = kmap(page);
30
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);
37 kunmap(page);
38 unlock_page(page);
39 return 0;
40
41fail:
42 SetPageError(page);
43 kunmap(page);
44 unlock_page(page);
45 return error;
46}
47
Christoph Hellwigf5e54d62006-06-28 04:26:44 -070048const struct address_space_operations coda_symlink_aops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070049 .readpage = coda_symlink_filler,
50};