xref: /openbmc/linux/fs/ext2/symlink.c (revision 65ee8aeb)
1 /*
2  *  linux/fs/ext2/symlink.c
3  *
4  * Only fast symlinks left here - the rest is done by generic code. AV, 1999
5  *
6  * Copyright (C) 1992, 1993, 1994, 1995
7  * Remy Card (card@masi.ibp.fr)
8  * Laboratoire MASI - Institut Blaise Pascal
9  * Universite Pierre et Marie Curie (Paris VI)
10  *
11  *  from
12  *
13  *  linux/fs/minix/symlink.c
14  *
15  *  Copyright (C) 1991, 1992  Linus Torvalds
16  *
17  *  ext2 symlink handling code
18  */
19 
20 #include "ext2.h"
21 #include "xattr.h"
22 #include <linux/namei.h>
23 
24 static void *ext2_follow_link(struct dentry *dentry, struct nameidata *nd)
25 {
26 	struct ext2_inode_info *ei = EXT2_I(d_inode(dentry));
27 	nd_set_link(nd, (char *)ei->i_data);
28 	return NULL;
29 }
30 
31 const struct inode_operations ext2_symlink_inode_operations = {
32 	.readlink	= generic_readlink,
33 	.follow_link	= page_follow_link_light,
34 	.put_link	= page_put_link,
35 	.setattr	= ext2_setattr,
36 #ifdef CONFIG_EXT2_FS_XATTR
37 	.setxattr	= generic_setxattr,
38 	.getxattr	= generic_getxattr,
39 	.listxattr	= ext2_listxattr,
40 	.removexattr	= generic_removexattr,
41 #endif
42 };
43 
44 const struct inode_operations ext2_fast_symlink_inode_operations = {
45 	.readlink	= generic_readlink,
46 	.follow_link	= ext2_follow_link,
47 	.setattr	= ext2_setattr,
48 #ifdef CONFIG_EXT2_FS_XATTR
49 	.setxattr	= generic_setxattr,
50 	.getxattr	= generic_getxattr,
51 	.listxattr	= ext2_listxattr,
52 	.removexattr	= generic_removexattr,
53 #endif
54 };
55