Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 1 | /* |
Mingming Cao | 617ba13 | 2006-10-11 01:20:53 -0700 | [diff] [blame] | 2 | * linux/fs/ext4/symlink.c |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 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 | * |
Mingming Cao | 617ba13 | 2006-10-11 01:20:53 -0700 | [diff] [blame] | 17 | * ext4 symlink handling code |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | #include <linux/fs.h> |
Mingming Cao | dab291a | 2006-10-11 01:21:01 -0700 | [diff] [blame] | 21 | #include <linux/jbd2.h> |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 22 | #include <linux/namei.h> |
Christoph Hellwig | 3dcf545 | 2008-04-29 18:13:32 -0400 | [diff] [blame] | 23 | #include "ext4.h" |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 24 | #include "xattr.h" |
| 25 | |
Theodore Ts'o | af5bc92 | 2008-09-08 22:25:24 -0400 | [diff] [blame^] | 26 | static void *ext4_follow_link(struct dentry *dentry, struct nameidata *nd) |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 27 | { |
Mingming Cao | 617ba13 | 2006-10-11 01:20:53 -0700 | [diff] [blame] | 28 | struct ext4_inode_info *ei = EXT4_I(dentry->d_inode); |
Theodore Ts'o | af5bc92 | 2008-09-08 22:25:24 -0400 | [diff] [blame^] | 29 | nd_set_link(nd, (char *) ei->i_data); |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 30 | return NULL; |
| 31 | } |
| 32 | |
Arjan van de Ven | 754661f | 2007-02-12 00:55:38 -0800 | [diff] [blame] | 33 | const struct inode_operations ext4_symlink_inode_operations = { |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 34 | .readlink = generic_readlink, |
| 35 | .follow_link = page_follow_link_light, |
| 36 | .put_link = page_put_link, |
Mingming Cao | 617ba13 | 2006-10-11 01:20:53 -0700 | [diff] [blame] | 37 | #ifdef CONFIG_EXT4DEV_FS_XATTR |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 38 | .setxattr = generic_setxattr, |
| 39 | .getxattr = generic_getxattr, |
Mingming Cao | 617ba13 | 2006-10-11 01:20:53 -0700 | [diff] [blame] | 40 | .listxattr = ext4_listxattr, |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 41 | .removexattr = generic_removexattr, |
| 42 | #endif |
| 43 | }; |
| 44 | |
Arjan van de Ven | 754661f | 2007-02-12 00:55:38 -0800 | [diff] [blame] | 45 | const struct inode_operations ext4_fast_symlink_inode_operations = { |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 46 | .readlink = generic_readlink, |
Mingming Cao | 617ba13 | 2006-10-11 01:20:53 -0700 | [diff] [blame] | 47 | .follow_link = ext4_follow_link, |
| 48 | #ifdef CONFIG_EXT4DEV_FS_XATTR |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 49 | .setxattr = generic_setxattr, |
| 50 | .getxattr = generic_getxattr, |
Mingming Cao | 617ba13 | 2006-10-11 01:20:53 -0700 | [diff] [blame] | 51 | .listxattr = ext4_listxattr, |
Dave Kleikamp | ac27a0e | 2006-10-11 01:20:50 -0700 | [diff] [blame] | 52 | .removexattr = generic_removexattr, |
| 53 | #endif |
| 54 | }; |