[06/79] ext2: use simple_follow_link()
diff mbox

Message ID 1430803373-4948-6-git-send-email-viro@ZenIV.linux.org.uk
State New
Headers show

Commit Message

Al Viro May 5, 2015, 5:21 a.m. UTC
From: Al Viro <viro@zeniv.linux.org.uk>

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/ext2/inode.c   |  1 +
 fs/ext2/namei.c   |  3 ++-
 fs/ext2/symlink.c | 10 +---------
 3 files changed, 4 insertions(+), 10 deletions(-)

Comments

Jan Kara May 5, 2015, 9:17 a.m. UTC | #1
On Tue 05-05-15 06:21:40, Al Viro wrote:
> From: Al Viro <viro@zeniv.linux.org.uk>
> 
> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
  Looks good. You can add:
Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  fs/ext2/inode.c   |  1 +
>  fs/ext2/namei.c   |  3 ++-
>  fs/ext2/symlink.c | 10 +---------
>  3 files changed, 4 insertions(+), 10 deletions(-)
> 
> diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
> index f460ae3..5c09776 100644
> --- a/fs/ext2/inode.c
> +++ b/fs/ext2/inode.c
> @@ -1403,6 +1403,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
>  			inode->i_mapping->a_ops = &ext2_aops;
>  	} else if (S_ISLNK(inode->i_mode)) {
>  		if (ext2_inode_is_fast_symlink(inode)) {
> +			inode->i_link = (char *)ei->i_data;
>  			inode->i_op = &ext2_fast_symlink_inode_operations;
>  			nd_terminate_link(ei->i_data, inode->i_size,
>  				sizeof(ei->i_data) - 1);
> diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
> index 3e074a9..13ec54a 100644
> --- a/fs/ext2/namei.c
> +++ b/fs/ext2/namei.c
> @@ -189,7 +189,8 @@ static int ext2_symlink (struct inode * dir, struct dentry * dentry,
>  	} else {
>  		/* fast symlink */
>  		inode->i_op = &ext2_fast_symlink_inode_operations;
> -		memcpy((char*)(EXT2_I(inode)->i_data),symname,l);
> +		inode->i_link = (char*)EXT2_I(inode)->i_data;
> +		memcpy(inode->i_link, symname, l);
>  		inode->i_size = l-1;
>  	}
>  	mark_inode_dirty(inode);
> diff --git a/fs/ext2/symlink.c b/fs/ext2/symlink.c
> index 20608f1..ae17179 100644
> --- a/fs/ext2/symlink.c
> +++ b/fs/ext2/symlink.c
> @@ -19,14 +19,6 @@
>  
>  #include "ext2.h"
>  #include "xattr.h"
> -#include <linux/namei.h>
> -
> -static void *ext2_follow_link(struct dentry *dentry, struct nameidata *nd)
> -{
> -	struct ext2_inode_info *ei = EXT2_I(d_inode(dentry));
> -	nd_set_link(nd, (char *)ei->i_data);
> -	return NULL;
> -}
>  
>  const struct inode_operations ext2_symlink_inode_operations = {
>  	.readlink	= generic_readlink,
> @@ -43,7 +35,7 @@ const struct inode_operations ext2_symlink_inode_operations = {
>   
>  const struct inode_operations ext2_fast_symlink_inode_operations = {
>  	.readlink	= generic_readlink,
> -	.follow_link	= ext2_follow_link,
> +	.follow_link	= simple_follow_link,
>  	.setattr	= ext2_setattr,
>  #ifdef CONFIG_EXT2_FS_XATTR
>  	.setxattr	= generic_setxattr,
> -- 
> 2.1.4
> 
> --
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Patch
diff mbox

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index f460ae3..5c09776 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1403,6 +1403,7 @@  struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
 			inode->i_mapping->a_ops = &ext2_aops;
 	} else if (S_ISLNK(inode->i_mode)) {
 		if (ext2_inode_is_fast_symlink(inode)) {
+			inode->i_link = (char *)ei->i_data;
 			inode->i_op = &ext2_fast_symlink_inode_operations;
 			nd_terminate_link(ei->i_data, inode->i_size,
 				sizeof(ei->i_data) - 1);
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 3e074a9..13ec54a 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -189,7 +189,8 @@  static int ext2_symlink (struct inode * dir, struct dentry * dentry,
 	} else {
 		/* fast symlink */
 		inode->i_op = &ext2_fast_symlink_inode_operations;
-		memcpy((char*)(EXT2_I(inode)->i_data),symname,l);
+		inode->i_link = (char*)EXT2_I(inode)->i_data;
+		memcpy(inode->i_link, symname, l);
 		inode->i_size = l-1;
 	}
 	mark_inode_dirty(inode);
diff --git a/fs/ext2/symlink.c b/fs/ext2/symlink.c
index 20608f1..ae17179 100644
--- a/fs/ext2/symlink.c
+++ b/fs/ext2/symlink.c
@@ -19,14 +19,6 @@ 
 
 #include "ext2.h"
 #include "xattr.h"
-#include <linux/namei.h>
-
-static void *ext2_follow_link(struct dentry *dentry, struct nameidata *nd)
-{
-	struct ext2_inode_info *ei = EXT2_I(d_inode(dentry));
-	nd_set_link(nd, (char *)ei->i_data);
-	return NULL;
-}
 
 const struct inode_operations ext2_symlink_inode_operations = {
 	.readlink	= generic_readlink,
@@ -43,7 +35,7 @@  const struct inode_operations ext2_symlink_inode_operations = {
  
 const struct inode_operations ext2_fast_symlink_inode_operations = {
 	.readlink	= generic_readlink,
-	.follow_link	= ext2_follow_link,
+	.follow_link	= simple_follow_link,
 	.setattr	= ext2_setattr,
 #ifdef CONFIG_EXT2_FS_XATTR
 	.setxattr	= generic_setxattr,