diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 18:20:36 -0400 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /fs/hfs/attr.c |
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'fs/hfs/attr.c')
-rw-r--r-- | fs/hfs/attr.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c new file mode 100644 index 000000000000..e057ec542a6a --- /dev/null +++ b/fs/hfs/attr.c | |||
@@ -0,0 +1,121 @@ | |||
1 | /* | ||
2 | * linux/fs/hfs/attr.c | ||
3 | * | ||
4 | * (C) 2003 Ardis Technologies <roman@ardistech.com> | ||
5 | * | ||
6 | * Export hfs data via xattr | ||
7 | */ | ||
8 | |||
9 | |||
10 | #include <linux/fs.h> | ||
11 | #include <linux/xattr.h> | ||
12 | |||
13 | #include "hfs_fs.h" | ||
14 | #include "btree.h" | ||
15 | |||
16 | int hfs_setxattr(struct dentry *dentry, const char *name, | ||
17 | const void *value, size_t size, int flags) | ||
18 | { | ||
19 | struct inode *inode = dentry->d_inode; | ||
20 | struct hfs_find_data fd; | ||
21 | hfs_cat_rec rec; | ||
22 | struct hfs_cat_file *file; | ||
23 | int res; | ||
24 | |||
25 | if (!S_ISREG(inode->i_mode) || HFS_IS_RSRC(inode)) | ||
26 | return -EOPNOTSUPP; | ||
27 | |||
28 | res = hfs_find_init(HFS_SB(inode->i_sb)->cat_tree, &fd); | ||
29 | if (res) | ||
30 | return res; | ||
31 | fd.search_key->cat = HFS_I(inode)->cat_key; | ||
32 | res = hfs_brec_find(&fd); | ||
33 | if (res) | ||
34 | goto out; | ||
35 | hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, | ||
36 | sizeof(struct hfs_cat_file)); | ||
37 | file = &rec.file; | ||
38 | |||
39 | if (!strcmp(name, "hfs.type")) { | ||
40 | if (size == 4) | ||
41 | memcpy(&file->UsrWds.fdType, value, 4); | ||
42 | else | ||
43 | res = -ERANGE; | ||
44 | } else if (!strcmp(name, "hfs.creator")) { | ||
45 | if (size == 4) | ||
46 | memcpy(&file->UsrWds.fdCreator, value, 4); | ||
47 | else | ||
48 | res = -ERANGE; | ||
49 | } else | ||
50 | res = -EOPNOTSUPP; | ||
51 | if (!res) | ||
52 | hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, | ||
53 | sizeof(struct hfs_cat_file)); | ||
54 | out: | ||
55 | hfs_find_exit(&fd); | ||
56 | return res; | ||
57 | } | ||
58 | |||
59 | ssize_t hfs_getxattr(struct dentry *dentry, const char *name, | ||
60 | void *value, size_t size) | ||
61 | { | ||
62 | struct inode *inode = dentry->d_inode; | ||
63 | struct hfs_find_data fd; | ||
64 | hfs_cat_rec rec; | ||
65 | struct hfs_cat_file *file; | ||
66 | ssize_t res = 0; | ||
67 | |||
68 | if (!S_ISREG(inode->i_mode) || HFS_IS_RSRC(inode)) | ||
69 | return -EOPNOTSUPP; | ||
70 | |||
71 | if (size) { | ||
72 | res = hfs_find_init(HFS_SB(inode->i_sb)->cat_tree, &fd); | ||
73 | if (res) | ||
74 | return res; | ||
75 | fd.search_key->cat = HFS_I(inode)->cat_key; | ||
76 | res = hfs_brec_find(&fd); | ||
77 | if (res) | ||
78 | goto out; | ||
79 | hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, | ||
80 | sizeof(struct hfs_cat_file)); | ||
81 | } | ||
82 | file = &rec.file; | ||
83 | |||
84 | if (!strcmp(name, "hfs.type")) { | ||
85 | if (size >= 4) { | ||
86 | memcpy(value, &file->UsrWds.fdType, 4); | ||
87 | res = 4; | ||
88 | } else | ||
89 | res = size ? -ERANGE : 4; | ||
90 | } else if (!strcmp(name, "hfs.creator")) { | ||
91 | if (size >= 4) { | ||
92 | memcpy(value, &file->UsrWds.fdCreator, 4); | ||
93 | res = 4; | ||
94 | } else | ||
95 | res = size ? -ERANGE : 4; | ||
96 | } else | ||
97 | res = -ENODATA; | ||
98 | out: | ||
99 | if (size) | ||
100 | hfs_find_exit(&fd); | ||
101 | return res; | ||
102 | } | ||
103 | |||
104 | #define HFS_ATTRLIST_SIZE (sizeof("hfs.creator")+sizeof("hfs.type")) | ||
105 | |||
106 | ssize_t hfs_listxattr(struct dentry *dentry, char *buffer, size_t size) | ||
107 | { | ||
108 | struct inode *inode = dentry->d_inode; | ||
109 | |||
110 | if (!S_ISREG(inode->i_mode) || HFS_IS_RSRC(inode)) | ||
111 | return -EOPNOTSUPP; | ||
112 | |||
113 | if (!buffer || !size) | ||
114 | return HFS_ATTRLIST_SIZE; | ||
115 | if (size < HFS_ATTRLIST_SIZE) | ||
116 | return -ERANGE; | ||
117 | strcpy(buffer, "hfs.type"); | ||
118 | strcpy(buffer + sizeof("hfs.type"), "hfs.creator"); | ||
119 | |||
120 | return HFS_ATTRLIST_SIZE; | ||
121 | } | ||