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Re: [Qemu-block] [Qemu-devel] [PATCH] block: early check for blockers on
From: |
Daniel P . Berrangé |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH] block: early check for blockers on drive-mirror |
Date: |
Mon, 12 Feb 2018 10:02:47 +0000 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Mon, Feb 12, 2018 at 10:58:31AM +0100, Paolo Bonzini wrote:
> On 10/02/2018 00:07, John Snow wrote:
> >> + /* Early check to avoid creating target */
> >> + if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_MIRROR_SOURCE, errp)) {
> >> + return;
> >> + }
> >> +
> >> aio_context = bdrv_get_aio_context(bs);
> >> aio_context_acquire(aio_context);
> >>
> >>
> > What's the implication of the temporarily-extant target node that it
> > needs to be avoided so strictly?
> >
>
> Creating a file on disk, that no one will ever remvoe. :)
Fortunately libvirt's SELinux policy will probably prevent QEMU creating
it in the first place :-)
Regards,
Daniel
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- [Qemu-block] [PATCH] block: early check for blockers on drive-mirror, Paolo Bonzini, 2018/02/07
- Re: [Qemu-block] [Qemu-devel] [PATCH] block: early check for blockers on drive-mirror, Fam Zheng, 2018/02/07
- Re: [Qemu-block] [PATCH] block: early check for blockers on drive-mirror, Alberto Garcia, 2018/02/08
- Re: [Qemu-block] [PATCH] block: early check for blockers on drive-mirror, Alberto Garcia, 2018/02/08
- Re: [Qemu-block] [PATCH] block: early check for blockers on drive-mirror, Kevin Wolf, 2018/02/09
- Re: [Qemu-block] [Qemu-devel] [PATCH] block: early check for blockers on drive-mirror, John Snow, 2018/02/09