2 * linux/fs/affs/symlink.c
4 * 1995 Hans-Joachim Widmaier - Modified for affs.
6 * Copyright (C) 1991, 1992 Linus Torvalds
8 * affs symlink handling code
11 #include <linux/errno.h>
13 #include <linux/stat.h>
14 #include <linux/affs_fs.h>
15 #include <linux/amigaffs.h>
16 #include <linux/pagemap.h>
17 #include <linux/smp_lock.h>
18 #include <linux/buffer_head.h>
20 static int affs_symlink_readpage(struct file *file, struct page *page)
22 struct buffer_head *bh;
23 struct inode *inode = page->mapping->host;
24 char *link = kmap(page);
25 struct slink_front *lf;
32 pr_debug("AFFS: follow_link(ino=%lu)\n",inode->i_ino);
35 bh = affs_bread(inode->i_sb, inode->i_ino);
40 lf = (struct slink_front *)bh->b_data;
42 pf = AFFS_SB(inode->i_sb)->s_prefix ? AFFS_SB(inode->i_sb)->s_prefix : "/";
44 if (strchr(lf->symname,':')) { /* Handle assign or volume name */
45 while (i < 1023 && (c = pf[i]))
47 while (i < 1023 && lf->symname[j] != ':')
48 link[i++] = lf->symname[j++];
54 while (i < 1023 && (c = lf->symname[j])) {
55 if (c == '/' && lc == '/' && i < 1020) { /* parent dir */
65 SetPageUptodate(page);
76 struct address_space_operations affs_symlink_aops = {
77 .readpage = affs_symlink_readpage,
80 struct inode_operations affs_symlink_inode_operations = {
81 .readlink = page_readlink,
82 .follow_link = page_follow_link,
83 .setattr = affs_notify_change,