6 * Export hfs data via xattr
11 #include <linux/xattr.h>
16 int hfs_setxattr(struct dentry *unused, struct inode *inode,
17 const char *name, const void *value,
18 size_t size, int flags)
20 struct hfs_find_data fd;
22 struct hfs_cat_file *file;
25 if (!S_ISREG(inode->i_mode) || HFS_IS_RSRC(inode))
28 res = hfs_find_init(HFS_SB(inode->i_sb)->cat_tree, &fd);
31 fd.search_key->cat = HFS_I(inode)->cat_key;
32 res = hfs_brec_find(&fd);
35 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset,
36 sizeof(struct hfs_cat_file));
39 if (!strcmp(name, "hfs.type")) {
41 memcpy(&file->UsrWds.fdType, value, 4);
44 } else if (!strcmp(name, "hfs.creator")) {
46 memcpy(&file->UsrWds.fdCreator, value, 4);
52 hfs_bnode_write(fd.bnode, &rec, fd.entryoffset,
53 sizeof(struct hfs_cat_file));
59 ssize_t hfs_getxattr(struct dentry *unused, struct inode *inode,
60 const char *name, void *value, size_t size)
62 struct hfs_find_data fd;
64 struct hfs_cat_file *file;
67 if (!S_ISREG(inode->i_mode) || HFS_IS_RSRC(inode))
71 res = hfs_find_init(HFS_SB(inode->i_sb)->cat_tree, &fd);
74 fd.search_key->cat = HFS_I(inode)->cat_key;
75 res = hfs_brec_find(&fd);
78 hfs_bnode_read(fd.bnode, &rec, fd.entryoffset,
79 sizeof(struct hfs_cat_file));
83 if (!strcmp(name, "hfs.type")) {
85 memcpy(value, &file->UsrWds.fdType, 4);
88 res = size ? -ERANGE : 4;
89 } else if (!strcmp(name, "hfs.creator")) {
91 memcpy(value, &file->UsrWds.fdCreator, 4);
94 res = size ? -ERANGE : 4;
103 #define HFS_ATTRLIST_SIZE (sizeof("hfs.creator")+sizeof("hfs.type"))
105 ssize_t hfs_listxattr(struct dentry *dentry, char *buffer, size_t size)
107 struct inode *inode = d_inode(dentry);
109 if (!S_ISREG(inode->i_mode) || HFS_IS_RSRC(inode))
112 if (!buffer || !size)
113 return HFS_ATTRLIST_SIZE;
114 if (size < HFS_ATTRLIST_SIZE)
116 strcpy(buffer, "hfs.type");
117 strcpy(buffer + sizeof("hfs.type"), "hfs.creator");
119 return HFS_ATTRLIST_SIZE;