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 #ifdef CONFIG_EXT4_FS_XATTR 39 .setxattr = generic_setxattr, 40 .getxattr = generic_getxattr, 41 .listxattr = ext4_listxattr, 42 .removexattr = generic_removexattr, 43 #endif 44 }; 45 46 const struct inode_operations ext4_fast_symlink_inode_operations = { 47 .readlink = generic_readlink, 48 .follow_link = ext4_follow_link, 49 .setattr = ext4_setattr, 50 #ifdef CONFIG_EXT4_FS_XATTR 51 .setxattr = generic_setxattr, 52 .getxattr = generic_getxattr, 53 .listxattr = ext4_listxattr, 54 .removexattr = generic_removexattr, 55 #endif 56 }; 57