Blame view

kernel/linux-imx6_3.14.28/fs/ext4/symlink.c 1.29 KB
6b13f685e   김민수   BSP 최초 추가
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
  /*
   *  linux/fs/ext4/symlink.c
   *
   * Only fast symlinks left here - the rest is done by generic code. AV, 1999
   *
   * Copyright (C) 1992, 1993, 1994, 1995
   * Remy Card (card@masi.ibp.fr)
   * Laboratoire MASI - Institut Blaise Pascal
   * Universite Pierre et Marie Curie (Paris VI)
   *
   *  from
   *
   *  linux/fs/minix/symlink.c
   *
   *  Copyright (C) 1991, 1992  Linus Torvalds
   *
   *  ext4 symlink handling code
   */
  
  #include <linux/fs.h>
  #include <linux/jbd2.h>
  #include <linux/namei.h>
  #include "ext4.h"
  #include "xattr.h"
  
  static void *ext4_follow_link(struct dentry *dentry, struct nameidata *nd)
  {
  	struct ext4_inode_info *ei = EXT4_I(dentry->d_inode);
  	nd_set_link(nd, (char *) ei->i_data);
  	return NULL;
  }
  
  const struct inode_operations ext4_symlink_inode_operations = {
  	.readlink	= generic_readlink,
  	.follow_link	= page_follow_link_light,
  	.put_link	= page_put_link,
  	.setattr	= ext4_setattr,
  	.setxattr	= generic_setxattr,
  	.getxattr	= generic_getxattr,
  	.listxattr	= ext4_listxattr,
  	.removexattr	= generic_removexattr,
  };
  
  const struct inode_operations ext4_fast_symlink_inode_operations = {
  	.readlink	= generic_readlink,
  	.follow_link	= ext4_follow_link,
  	.setattr	= ext4_setattr,
  	.setxattr	= generic_setxattr,
  	.getxattr	= generic_getxattr,
  	.listxattr	= ext4_listxattr,
  	.removexattr	= generic_removexattr,
  };