release/src-rt-6.x.4708/linux/linux-2.6.36/fs/ufs/symlink.c

   1 /*
   2  *  linux/fs/ufs/symlink.c
   3  *
   4  * Only fast symlinks left here - the rest is done by generic code. AV, 1999
   5  *
   6  * Copyright (C) 1998
   7  * Daniel Pirkl <daniel.pirkl@emai.cz>
   8  * Charles University, Faculty of Mathematics and Physics
   9  *
  10  *  from
  11  *
  12  *  linux/fs/ext2/symlink.c
  13  *
  14  * Copyright (C) 1992, 1993, 1994, 1995
  15  * Remy Card (card@masi.ibp.fr)
  16  * Laboratoire MASI - Institut Blaise Pascal
  17  * Universite Pierre et Marie Curie (Paris VI)
  18  *
  19  *  from
  20  *
  21  *  linux/fs/minix/symlink.c
  22  *
  23  *  Copyright (C) 1991, 1992  Linus Torvalds
  24  *
  25  *  ext2 symlink handling code
  26  */
  27
  28 #include <linux/fs.h>
  29 #include <linux/namei.h>
  30
  31 #include "ufs_fs.h"
  32 #include "ufs.h"
  33
  34
  35 static void *ufs_follow_link(struct dentry *dentry, struct nameidata *nd)
  36 {
  37         struct ufs_inode_info *p = UFS_I(dentry->d_inode);
  38         nd_set_link(nd, (char*)p->i_u1.i_symlink);
  39         return NULL;
  40 }
  41
  42 const struct inode_operations ufs_fast_symlink_inode_operations = {
  43         .readlink       = generic_readlink,
  44         .follow_link    = ufs_follow_link,
  45         .setattr        = ufs_setattr,
  46 };
  47
  48 const struct inode_operations ufs_symlink_inode_operations = {
  49         .readlink       = generic_readlink,
  50         .follow_link    = page_follow_link_light,
  51         .put_link       = page_put_link,
  52         .setattr        = ufs_setattr,
  53 };