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From: Stefan Hajnoczi <stefanha@redhat.com>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org, hch@lst.de, virtio-fs@redhat.com,
	v9fs-developer@lists.sourceforge.net, miklos@szeredi.hu
Subject: Re: [PATCH v3 2/3] init: allow mounting arbitrary non-blockdevice filesystems as root
Date: Thu, 15 Jul 2021 11:04:31 +0100	[thread overview]
Message-ID: <YPAIL1FJk6mzGXBQ@stefanha-x1.localdomain> (raw)
In-Reply-To: <20210714202321.59729-3-vgoyal@redhat.com>

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On Wed, Jul 14, 2021 at 04:23:20PM -0400, Vivek Goyal wrote:
> From: Christoph Hellwig <hch@lst.de>
> 
> Currently the only non-blockdevice filesystems that can be used as the
> initial root filesystem are NFS and CIFS, which use the magic
> "root=/dev/nfs" and "root=/dev/cifs" syntax that requires the root
> device file system details to come from filesystem specific kernel
> command line options.
> 
> Add a little bit of new code that allows to just pass arbitrary
> string mount options to any non-blockdevice filesystems so that it can
> be mounted as the root file system.
> 
> For example a virtiofs root file system can be mounted using the
> following syntax:
> 
> "root=myfs rootfstype=virtiofs rw"
> 
> Based on an earlier patch from Vivek Goyal <vgoyal@redhat.com>.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  init/do_mounts.c | 43 +++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 43 insertions(+)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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  reply	other threads:[~2021-07-15 10:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-14 20:23 [PATCH v3 0/3] support booting of arbitrary non-blockdevice file systems Vivek Goyal
2021-07-14 20:23 ` [PATCH v3 1/3] init: split get_fs_names Vivek Goyal
2021-07-15 10:04   ` Stefan Hajnoczi
2021-07-14 20:23 ` [PATCH v3 2/3] init: allow mounting arbitrary non-blockdevice filesystems as root Vivek Goyal
2021-07-15 10:04   ` Stefan Hajnoczi [this message]
2021-07-14 20:23 ` [PATCH v3 3/3] fs: simplify get_filesystem_list / get_all_fs_names Vivek Goyal
2021-07-21 15:46   ` Stefan Hajnoczi
2021-07-30  0:57   ` Al Viro
2021-07-30 12:24     ` Vivek Goyal
2021-07-27 18:29 ` [PATCH v3 0/3] support booting of arbitrary non-blockdevice file systems Vivek Goyal
2021-07-29 15:08 ` Christian Brauner

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