From: Changbin Du <changbin.du@gmail.com>
To: Eric Van Hensbergen <ericvh@gmail.com>,
Latchesar Ionkov <lucho@ionkov.net>,
Dominique Martinet <asmadeus@codewreck.org>
Cc: Jonathan Corbet <corbet@lwn.net>,
linux-doc@vger.kernel.org, Changbin Du <changbin.du@gmail.com>
Subject: [PATCH 0/3] 9p: add support for root file systems
Date: Wed, 5 May 2021 20:07:45 +0800 [thread overview]
Message-ID: <20210505120748.8622-1-changbin.du@gmail.com> (raw)
Just like cifs and nfs, this short series enables rootfs support for 9p.
Bellow is an example which mounts v9fs with tag 'r' as rootfs in qemu
guest via virtio transport.
$ qemu-system-x86_64 -enable-kvm -cpu host -m 1024 \
-virtfs local,path=$rootfs_dir,mount_tag=r,security_model=passthrough,id=r \
-kernel /path/to/linux/arch/x86/boot/bzImage -nographic \
-append "root=/dev/v9fs v9fsroot=r,trans=virtio rw console=ttyS0 3"
Changbin Du (3):
9p: add support for root file systems
9p: doc: move to a new dedicated folder
9p: doc: add v9fsroot description
Documentation/filesystems/index.rst | 2 +-
Documentation/filesystems/{ => v9fs}/9p.rst | 0
Documentation/filesystems/v9fs/index.rst | 12 ++++
Documentation/filesystems/v9fs/v9fsroot.rst | 52 +++++++++++++++++
fs/9p/Kconfig | 6 ++
fs/9p/Makefile | 1 +
fs/9p/v9fsroot.c | 64 +++++++++++++++++++++
include/linux/root_dev.h | 1 +
init/do_mounts.c | 46 +++++++++++++++
9 files changed, 183 insertions(+), 1 deletion(-)
rename Documentation/filesystems/{ => v9fs}/9p.rst (100%)
create mode 100644 Documentation/filesystems/v9fs/index.rst
create mode 100644 Documentation/filesystems/v9fs/v9fsroot.rst
create mode 100644 fs/9p/v9fsroot.c
--
2.30.2
next reply other threads:[~2021-05-05 12:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-05 12:07 Changbin Du [this message]
2021-05-05 12:07 ` [PATCH 1/3] 9p: add support for root file systems Changbin Du
2021-05-05 12:50 ` Dominique Martinet
2021-05-05 15:10 ` Enrico Weigelt, metux IT consult
2021-05-06 16:04 ` Changbin Du
2021-05-05 12:07 ` [PATCH 2/3] 9p: doc: move to a new dedicated folder Changbin Du
2021-05-05 12:07 ` [PATCH 3/3] 9p: doc: add v9fsroot description Changbin Du
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