/* * linux/fs/affs/symlink.c * * 1995 Hans-Joachim Widmaier - Modified for affs. * * Copyright (C) 1991, 1992 Linus Torvalds * * affs symlink handling code */ #include "affs.h" static int affs_symlink_readpage(struct file *file, struct page *page) { struct buffer_head *bh; struct inode *inode = page->mapping->host; char *link = kmap(page); struct slink_front *lf; int err; int i, j; char c; char lc; char *pf; pr_debug("AFFS: follow_link(ino=%lu)\n",inode->i_ino); err = -EIO; bh = affs_bread(inode->i_sb, inode->i_ino); if (!bh) goto fail; i = 0; j = 0; lf = (struct slink_front *)bh->b_data; lc = 0; pf = AFFS_SB(inode->i_sb)->s_prefix ? AFFS_SB(inode->i_sb)->s_prefix : "/"; if (strchr(lf->symname,':')) { /* Handle assign or volume name */ while (i < 1023 && (c = pf[i])) link[i++] = c; while (i < 1023 && lf->symname[j] != ':') link[i++] = lf->symname[j++]; if (i < 1023) link[i++] = '/'; j++; lc = '/'; } while (i < 1023 && (c = lf->symname[j])) { if (c == '/' && lc == '/' && i < 1020) { /* parent dir */ link[i++] = '.'; link[i++] = '.'; } link[i++] = c; lc = c; j++; } link[i] = '\0'; affs_brelse(bh); SetPageUptodate(page); kunmap(page); unlock_page(page); return 0; fail: SetPageError(page); kunmap(page); unlock_page(page); return err; } const struct address_space_operations affs_symlink_aops = { .readpage = affs_symlink_readpage, }; const struct inode_operations affs_symlink_inode_operations = { .readlink = generic_readlink, .follow_link = page_follow_link_light, .put_link = page_put_link, .setattr = affs_notify_change, }; Unnamed repository; edit this file 'description' to name the repository.Sumit Bose
summaryrefslogtreecommitdiffstats
path: root/lib/util/wrap_xattr.c
blob: b7e69c3676668ae16cde405940b6678a7ca7990b (plain) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120