linux-kernel - Re: [PATCH V4 06/12] kernfs: add exportfs operations

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Date:   Thu, 29 Jun 2017 14:50:58 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Shaohua Li <shli@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        tj@...nel.org, hch@....de, axboe@...com, rostedt@...dmis.org,
        lizefan@...wei.com, Kernel-team@...com, Shaohua Li <shli@...com>
Subject: Re: [PATCH V4 06/12] kernfs: add exportfs operations

On Wed, Jun 28, 2017 at 09:29:56AM -0700, Shaohua Li wrote:
> From: Shaohua Li <shli@...com>
> 
> Now we have the facilities to implement exportfs operations. The idea is
> cgroup can export the fhandle info to userspace, then userspace uses
> fhandle to find the cgroup name. Another example is userspace can get
> fhandle for a cgroup and BPF uses the fhandle to filter info for the
> cgroup.
> 
> Signed-off-by: Shaohua Li <shli@...com>

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