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
13 static int affs_symlink_readpage(struct file
*file
, struct page
*page
)
15 struct buffer_head
*bh
;
16 struct inode
*inode
= page
->mapping
->host
;
17 char *link
= kmap(page
);
18 struct slink_front
*lf
;
23 pr_debug("follow_link(ino=%lu)\n", inode
->i_ino
);
25 bh
= affs_bread(inode
->i_sb
, inode
->i_ino
);
30 lf
= (struct slink_front
*)bh
->b_data
;
33 if (strchr(lf
->symname
,':')) { /* Handle assign or volume name */
34 struct affs_sb_info
*sbi
= AFFS_SB(inode
->i_sb
);
36 spin_lock(&sbi
->symlink_lock
);
37 pf
= sbi
->s_prefix
? sbi
->s_prefix
: "/";
38 while (i
< 1023 && (c
= pf
[i
]))
40 spin_unlock(&sbi
->symlink_lock
);
41 while (i
< 1023 && lf
->symname
[j
] != ':')
42 link
[i
++] = lf
->symname
[j
++];
48 while (i
< 1023 && (c
= lf
->symname
[j
])) {
49 if (c
== '/' && lc
== '/' && i
< 1020) { /* parent dir */
59 SetPageUptodate(page
);
70 const struct address_space_operations affs_symlink_aops
= {
71 .readpage
= affs_symlink_readpage
,
74 const struct inode_operations affs_symlink_inode_operations
= {
75 .readlink
= generic_readlink
,
76 .follow_link
= page_follow_link_light
,
77 .put_link
= page_put_link
,
78 .setattr
= affs_notify_change
,