From: Kevin Wolf <kwolf@redhat.com>
To: 马磊 <aware.why@gmail.com>
Cc: xen-devel-request@lists.xensource.com, qemu-devel@nongnu.org
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 [thread overview]
Message-ID: <4F27D6AB.9020502@redhat.com> (raw)
In-Reply-To: <CA+ePHTB60Yrdfv=o_wD_gDCSR7u28_6kWFm+VQDO9yJ26-s6VA@mail.gmail.com>
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
next prev parent reply other threads:[~2012-01-31 11:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-29 9:02 [Qemu-devel] [help]how to make qemu-img utility to support writting file or directory to the image file 马磊
2012-01-31 11:55 ` Kevin Wolf [this message]
2012-01-31 12:30 ` TeLeMan
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