Re: [PATCH 01 of 23] VFS: change struct file to use struct path

From: Andrew Morton
Date: Sat Oct 21 2006 - 03:22:39 EST


On Sat, 21 Oct 2006 02:17:26 -0400
Josef "Jeff" Sipek <jsipek@xxxxxxxxxxxxx> wrote:

> From: Josef "Jeff" Sipek <jsipek@xxxxxxxxxxxxx>
>
> This patch changes struct file to use struct path instead of having
> independent pointers to struct dentry and struct vfsmount, and converts all
> users of f_{dentry,vfsmnt} in fs/ to use f_path.{dentry,mnt}.
>

why?

> @@ -723,8 +724,9 @@ struct file {
> struct list_head fu_list;
> struct rcu_head fu_rcuhead;
> } f_u;
> - struct dentry *f_dentry;
> - struct vfsmount *f_vfsmnt;
> + struct path f_path;
> +#define f_dentry f_path.dentry
> +#define f_vfsmnt f_path.mnt
> const struct file_operations *f_op;
> atomic_t f_count;
> unsigned int f_flags;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/