From: Christoph Hellwig <hch@infradead.org>
To: Shaohua Li <shli@fb.com>
Cc: linux-kernel@vger.kernel.org, tj@kernel.org,
gregkh@linuxfoundation.org, viro@zeniv.linux.org.uk,
Kernel-team@fb.com
Subject: Re: [PATCH 0/5] kernfs: add exportfs operations
Date: Tue, 23 May 2017 00:39:41 -0700 [thread overview]
Message-ID: <20170523073941.GB29525@infradead.org> (raw)
In-Reply-To: <cover.1495490800.git.shli@fb.com>
On Mon, May 22, 2017 at 03:53:04PM -0700, Shaohua Li wrote:
> Hi,
>
> The goal isn't to export kernfs to NFS. The intention is to make tracing cgroup
> aware. To do this, tracing will record an id for cgroup and use the id to find
> cgroup name later. The best id is the cgroup directory inode number. Further to
> filter out stale cgroup directory, fhandle is the best to identify a cgroup. So
> this is what this series try to do.
Eww. Even if you need to maintain i_generation for that please don't
add the full export_operations. People will just get stupid ideas based
on that.
next prev parent reply other threads:[~2017-05-23 7:39 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-22 22:53 [PATCH 0/5] kernfs: add exportfs operations Shaohua Li
2017-05-22 22:53 ` [PATCH 1/5] kernfs: implement i_generation Shaohua Li
2017-05-23 7:41 ` Christoph Hellwig
2017-05-23 15:09 ` Shaohua Li
2017-05-23 19:20 ` Tejun Heo
2017-05-24 17:40 ` Christoph Hellwig
2017-05-22 22:53 ` [PATCH 2/5] kernfs: use idr instead of ida to manage inode number Shaohua Li
2017-05-22 22:53 ` [PATCH 3/5] kernfs: add an API to get kernfs node from " Shaohua Li
2017-05-22 22:53 ` [PATCH 4/5] kernfs: don't set dentry->d_fsdata Shaohua Li
2017-05-23 18:37 ` Tejun Heo
2017-05-22 22:53 ` [PATCH 5/5] kernfs: add exportfs operations Shaohua Li
2017-05-23 7:40 ` Christoph Hellwig
2017-05-23 18:57 ` Tejun Heo
2017-05-24 17:38 ` Christoph Hellwig
2017-05-24 17:39 ` Tejun Heo
2017-05-24 17:41 ` Christoph Hellwig
2017-05-24 17:46 ` Tejun Heo
2017-05-24 18:01 ` Shaohua Li
2017-05-23 18:59 ` Tejun Heo
2017-05-23 7:39 ` Christoph Hellwig [this message]
2017-05-23 15:13 ` [PATCH 0/5] " Shaohua Li
2017-05-23 19:06 ` Tejun Heo
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