[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-block] [PATCH for-2.10 v2 3/4] block-backend: Defer shared_per
From: |
Eric Blake |
Subject: |
Re: [Qemu-block] [PATCH for-2.10 v2 3/4] block-backend: Defer shared_perm tightening migration completion |
Date: |
Tue, 15 Aug 2017 09:21:49 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
On 08/15/2017 08:07 AM, Fam Zheng wrote:
> As in the case of nbd_export_new(), bdrv_invalidate_cache() can be
> called when migration is still in progress. In this case we are not
> ready to tighten the shared permissions fenced by blk->disable_perm.
>
> Defer to a VM state change handler.
>
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> block/block-backend.c | 41 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
signature.asc
Description: OpenPGP digital signature
- [Qemu-block] [PATCH for-2.10 v2 0/4] block: Fix non-shared storage migration, Fam Zheng, 2017/08/15
- [Qemu-block] [PATCH for-2.10 v2 1/4] stubs: Add vm state change handler stubs, Fam Zheng, 2017/08/15
- [Qemu-block] [PATCH for-2.10 v2 2/4] nbd: Fix order of bdrv_set_perm and bdrv_invalidate_cache, Fam Zheng, 2017/08/15
- [Qemu-block] [PATCH for-2.10 v2 3/4] block-backend: Defer shared_perm tightening migration completion, Fam Zheng, 2017/08/15
- Re: [Qemu-block] [PATCH for-2.10 v2 3/4] block-backend: Defer shared_perm tightening migration completion,
Eric Blake <=
- [Qemu-block] [PATCH for-2.10 v2 4/4] iotests: Add non-shared storage migration case 192, Fam Zheng, 2017/08/15
- Re: [Qemu-block] [Qemu-devel] [PATCH for-2.10 v2 0/4] block: Fix non-shared storage migration, Christian Ehrhardt, 2017/08/18