[Ocfs2-devel] [RFC] The reflink(2) system call v2.

[James Morris]

On Thu, 7 May 2009, Joel Becker wrote:


> @@ -1402,6 +1419,8 @@ struct security_operations {
>  			  struct dentry *new_dentry);
>  	int (*path_rename) (struct path *old_dir, struct dentry *old_dentry,
>  			    struct path *new_dir, struct dentry *new_dentry);
> +	int (*path_reflink) (struct dentry *old_dentry, struct path *new_dir,
> +			     struct dentry *new_dentry);
>  #endif
>  

The TOMOYO folk don't need a path hook, so it would be unused, and should 
not be added unless someone responsible for an in-tree LSM establishes a 
case for it.

> +int security_inode_reflink(struct dentry *old_dentry, struct inode *dir,
> +			   struct dentry *new_dentry);

We don't need the new_dentry argument (this is correct in the low-level 
hook, and doesn't compile with CONFIG_SECURITY=y).


- James
-- 
James Morris
<jmorris at namei.org>