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

From: Greg KH
Date: Thu Jun 29 2017 - 08:51:35 EST


On Wed, Jun 28, 2017 at 09:29:54AM -0700, Shaohua Li wrote:
> From: Shaohua Li <shli@xxxxxx>
>
> 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@xxxxxxxxxx>
> Signed-off-by: Shaohua Li <shli@xxxxxx>

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>