From: Paolo Bonzini <pbonzini@redhat.com>
To: Chunyan Liu <cyliu@suse.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH V2] Add -f option to qemu-nbd
Date: Thu, 17 Nov 2011 14:41:35 +0100 [thread overview]
Message-ID: <4EC50F0F.3020400@redhat.com> (raw)
In-Reply-To: <1321529765-14863-1-git-send-email-cyliu@suse.com>
On 11/17/2011 12:36 PM, Chunyan Liu wrote:
>
> Adding lock to the nbd device before connecting disk image to that device to
> handling race conditions.
This removes the possibility for other programs to lock. Have you
checked what happens if you use the same device twice and whether you
can piggyback on e.g. an EBUSY from the NBD_SET_SOCK ioctl?
Paolo
next prev parent reply other threads:[~2011-11-17 13:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-17 11:36 [Qemu-devel] [PATCH V2] Add -f option to qemu-nbd Chunyan Liu
2011-11-17 13:41 ` Paolo Bonzini [this message]
2011-11-17 13:52 ` Stefan Hajnoczi
2011-11-18 1:25 ` Chun Yan Liu
2011-11-18 8:59 ` Paolo Bonzini
2011-11-23 6:51 ` Chun Yan Liu
2011-11-23 7:24 ` Paolo Bonzini
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