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 #ifdef CONFIG_EXT4_FS_XATTR 38 .setxattr = generic_setxattr, 39 .getxattr = generic_getxattr, 40 .listxattr = ext4_listxattr, 41 .removexattr = generic_removexattr, 42 #endif 43 }; 44 45 const struct inode_operations ext4_fast_symlink_inode_operations = { 46 .readlink = generic_readlink, 47 .follow_link = ext4_follow_link, 48 #ifdef CONFIG_EXT4_FS_XATTR 49 .setxattr = generic_setxattr, 50 .getxattr = generic_getxattr, 51 .listxattr = ext4_listxattr, 52 .removexattr = generic_removexattr, 53 #endif 54 }; 55