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Re: [Qemu-devel] [help]how to make qemu-img utility to support writting
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [help]how to make qemu-img utility to support writting file or directory to the image file |
Date: |
Tue, 31 Jan 2012 12:55:23 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111222 Thunderbird/9.0 |
Am 29.01.2012 10:02, schrieb 马磊:
> Hi,
> qemu-img is only to support create/info and so on whithout writting
> operation to the image file.
> I have ported the reading operation for a image file form grub2 to
> qemu-img. But NTFS document online is not detailed enough, how to do
> inorder to achieve the goal of writting to a image file?
> If anyone encountered the same problem, please reply to me.
> Thanks ahead!
Embedding file system drivers in qemu-img is not the right approach. You
need to get the image mapped to a block device on your host (e.g. using
qemu-nbd), so you can use the host's file system drivers.
Kevin