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
23 static int coda_symlink_filler(struct file *file, struct folio *folio)
24 {
25 struct inode *inode = folio->mapping->host;
26 int error;
27 struct coda_inode_info *cii;
28 unsigned int len = PAGE_SIZE;
29 char *p = folio_address(folio);
30
31 cii = ITOC(inode);
32
33 error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len);
34 folio_end_read(folio, error == 0);
35 return error;
36 }
37
38 const struct address_space_operations coda_symlink_aops = {
39 .read_folio = coda_symlink_filler,
40 };
41
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