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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
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> | |
1da177e4 LT |
18 | |
19 | #include <linux/coda.h> | |
1da177e4 | 20 | #include <linux/coda_psdev.h> |
31a203df AV |
21 | |
22 | #include "coda_linux.h" | |
1da177e4 LT |
23 | |
24 | static int coda_symlink_filler(struct file *file, struct page *page) | |
25 | { | |
26 | struct inode *inode = page->mapping->host; | |
27 | int error; | |
28 | struct coda_inode_info *cii; | |
29 | unsigned int len = PAGE_SIZE; | |
21fc61c7 | 30 | char *p = page_address(page); |
1da177e4 | 31 | |
1da177e4 | 32 | cii = ITOC(inode); |
1da177e4 LT |
33 | |
34 | error = venus_readlink(inode->i_sb, &cii->c_fid, p, &len); | |
1da177e4 LT |
35 | if (error) |
36 | goto fail; | |
37 | SetPageUptodate(page); | |
1da177e4 LT |
38 | unlock_page(page); |
39 | return 0; | |
40 | ||
41 | fail: | |
42 | SetPageError(page); | |
1da177e4 LT |
43 | unlock_page(page); |
44 | return error; | |
45 | } | |
46 | ||
f5e54d6e | 47 | const struct address_space_operations coda_symlink_aops = { |
1da177e4 LT |
48 | .readpage = coda_symlink_filler, |
49 | }; |