From: Gao Xiang <hsiangkao@linux.alibaba.com>
To: David Howells <dhowells@redhat.com>, linux-cachefs@redhat.com
Cc: linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org,
Jeff Layton <jlayton@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [Linux-cachefs] [PATCH] cachefiles: Allow the cache to be non-root
Date: Sat, 20 May 2023 10:07:40 +0800 [thread overview]
Message-ID: <caa318ba-a6fb-caa9-c7e0-f1f13b5ee577@linux.alibaba.com> (raw)
In-Reply-To: <1853230.1684516880@warthog.procyon.org.uk>
On 2023/5/20 10:21, David Howells wrote:
>
> Set mode 0600 on files in the cache so that cachefilesd can run as an
> unprivileged user rather than leaving the files all with 0. Directories
> are already set to 0700.
>
> Userspace then needs to set the uid and gid before issuing the "bind"
> command and the cache must've been chown'd to those IDs.
>
> Signed-off-by: David Howells <dhowells@redhat.com>
> cc: David Howells <dhowells@redhat.com>
> cc: Jeff Layton <jlayton@kernel.org>
> cc: linux-cachefs@redhat.com
> cc: linux-erofs@lists.ozlabs.org
> cc: linux-fsdevel@vger.kernel.org
It seems useful on our side as well and safe:
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Thanks,
Gao Xiang
next prev parent reply other threads:[~2023-05-20 2:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-19 17:21 [PATCH] cachefiles: Allow the cache to be non-root David Howells
2023-05-19 17:26 ` Jeff Layton
2023-05-20 2:07 ` Gao Xiang [this message]
2023-06-05 8:56 ` Christian Brauner
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