From: Christoph Hellwig <hch@lst.de>
To: Chen HanXiao <chenhanxiao@cn.fujitsu.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Use SCSI command to get size of SG device
Date: Tue, 9 Oct 2012 19:21:00 +0200 [thread overview]
Message-ID: <20121009172100.GA23380@lst.de> (raw)
In-Reply-To: <00c501cda602$583de850$08b9b8f0$@cn.fujitsu.com>
On Tue, Oct 09, 2012 at 05:42:01PM +0800, Chen HanXiao wrote:
> When we use SCSI generic device as disk image, function lseek
> could not get the size of this kind of device.
> So try to use SCSI command Read Capacity(10) when lseek failed to get
> the size of SCSI generic device.
Eww, this is ugly as hell. Why would you even need the size for a raw
passthrough device?
next prev parent reply other threads:[~2012-10-09 17:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-09 9:42 [Qemu-devel] [PATCH] Use SCSI command to get size of SG device Chen HanXiao
2012-10-09 17:21 ` Christoph Hellwig [this message]
2012-10-10 2:11 ` Chen HanXiao
2012-10-10 6:33 ` Paolo Bonzini
2012-10-10 8:33 ` Chen HanXiao
2012-10-10 9:01 ` Paolo Bonzini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121009172100.GA23380@lst.de \
--to=hch@lst.de \
--cc=chenhanxiao@cn.fujitsu.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).