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Linux/fs/ext4/symlink.c

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  1 /*
  2  *  linux/fs/ext4/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  *  ext4 symlink handling code
 18  */
 19 
 20 #include <linux/fs.h>
 21 #include <linux/jbd2.h>
 22 #include <linux/namei.h>
 23 #include "ext4.h"
 24 #include "xattr.h"
 25 
 26 static void *ext4_follow_link(struct dentry *dentry, struct nameidata *nd)
 27 {
 28         struct ext4_inode_info *ei = EXT4_I(dentry->d_inode);
 29         nd_set_link(nd, (char *) ei->i_data);
 30         return NULL;
 31 }
 32 
 33 const struct inode_operations ext4_symlink_inode_operations = {
 34         .readlink       = generic_readlink,
 35         .follow_link    = page_follow_link_light,
 36         .put_link       = page_put_link,
 37         .setattr        = ext4_setattr,
 38         .setxattr       = generic_setxattr,
 39         .getxattr       = generic_getxattr,
 40         .listxattr      = ext4_listxattr,
 41         .removexattr    = generic_removexattr,
 42 };
 43 
 44 const struct inode_operations ext4_fast_symlink_inode_operations = {
 45         .readlink       = generic_readlink,
 46         .follow_link    = ext4_follow_link,
 47         .setattr        = ext4_setattr,
 48         .setxattr       = generic_setxattr,
 49         .getxattr       = generic_getxattr,
 50         .listxattr      = ext4_listxattr,
 51         .removexattr    = generic_removexattr,
 52 };
 53 

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