Re: [PATCH V4 04/12] kernfs: don't set dentry->d_fsdata

Greg KH
2017-06-29T12:51:31Z

On Wed, Jun 28, 2017 at 09:29:54AM -0700, Shaohua Li wrote:
> From: Shaohua Li <shli@fb.com>
>
> When working on adding exportfs operations in kernfs, I found it's hard
> to initialize dentry->d_fsdata in the exportfs operations. Looks there
> is no way to do it without race condition. Look at the kernfs code
> closely, there is no point to set dentry->d_fsdata. inode->i_private
> already points to kernfs_node, and we can get inode from a dentry. So
> this patch just delete the d_fsdata usage.
>
> Acked-by: Tejun Heo <tj@kernel.org>
> Signed-off-by: Shaohua Li <shli@fb.com>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>