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[85.223.209.18]) by smtp.gmail.com with ESMTPSA id k23sm4263023lfm.144.2020.11.03.13.09.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Nov 2020 13:09:07 -0800 (PST) Subject: Re: [PATCH V2 00/23] IOREQ feature (+ virtio-mmio) on Arm To: Masami Hiramatsu Cc: =?UTF-8?Q?Alex_Benn=c3=a9e?= , Stefano Stabellini , xen-devel , Oleksandr Tyshchenko , Paul Durrant , Jan Beulich , Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Wei Liu , Julien Grall , George Dunlap , Ian Jackson , Julien Grall , Tim Deegan , Daniel De Graaf , Volodymyr Babchuk , Jun Nakajima , Kevin Tian , Anthony PERARD , Bertrand Marquis References: <1602780274-29141-1-git-send-email-olekstysh@gmail.com> From: Oleksandr Message-ID: Date: Tue, 3 Nov 2020 23:09:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US On 03.11.20 16:30, Masami Hiramatsu wrote: > Hi Oleksandr, Hi Masami > > Thanks for sharing the virtio-disk server, I also tested with a real usb disk. > > In config file: > > virtio = 1 > vdisk = [ 'backend=Domain-0, disks=ro:/dev/sda1' ] > > And it can be mounted in DomU > > [ 2.892874] virtio_blk virtio0: [vda] 1875382927 512-byte logical > blocks (960 GB/894 GiB) > [ 2.892925] vda: detected capacity change from 0 to 960196058624 > ... > root@develbox:~# cat /proc/partitions > major minor #blocks name > > 254 0 937691463 vda > ... > root@develbox:~# mount /dev/vda /mnt/ > [ 192.260968] EXT4-fs (vda): mounted filesystem with ordered data > mode. Opts: (null) > mount: /mnt: WARNING: source write-protected, mounted read-only. > > So "ro" flag also correctly works. > Great! > > Thank you! Sounds great. Thank you for testing! -- Regards, Oleksandr Tyshchenko