linux-kernel - Re: [PATCH v2] ceph: fix posix ACL hooks

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Message-ID: <20140130075421.GA10050@infradead.org>
Date:	Wed, 29 Jan 2014 23:54:21 -0800
From:	Christoph Hellwig <hch@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ilya Dryomov <ilya.dryomov@...tank.com>,
	Sage Weil <sage@...tank.com>, Dave Jones <davej@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	ceph-devel@...r.kernel.org,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Guangliang Zhao <lucienchao@...il.com>,
	Li Wang <li.wang@...ntykylin.com>, zheng.z.yan@...el.com
Subject: Re: [PATCH v2] ceph: fix posix ACL hooks

On Wed, Jan 29, 2014 at 11:09:18AM -0800, Linus Torvalds wrote:
> So attached is the incremental diff of the patch by Sage and Ilya, and
> I'll apply it (delayed a bit to see if I can get the sign-off from
> Ilya), but I also think we should fix the (non-cached) ACL functions
> that call down to the filesystem layer to also get the dentry.

For ->set_acl that's fairly easily doable and I actually had a version
doing that to be able to convert 9p.  But for ->get_acl the path walking
caller didn't seem easily feasible.  ->get_acl actually is an invention
of yours, so if you got a good idea to get the dentry to it I'd love
to be able to pass it.

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