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Re: [Qemu-devel] [PATCH v2 11/17] block-backend: Decrease in_flight only
From: |
Max Reitz |
Subject: |
Re: [Qemu-devel] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback |
Date: |
Thu, 13 Sep 2018 22:50:27 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 |
On 13.09.18 14:52, Kevin Wolf wrote:
> Request callbacks can do pretty much anything, including operations that
> will yield from the coroutine (such as draining the backend). In that
> case, a decreased in_flight would be visible to other code and could
> lead to a drain completing while the callback hasn't actually completed
> yet.
>
> Signed-off-by: Kevin Wolf <address@hidden>
> Reviewed-by: Fam Zheng <address@hidden>
> ---
> block/block-backend.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
Reviewed-by: Max Reitz <address@hidden>
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- Re: [Qemu-devel] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, (continued)
- Re: [Qemu-devel] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Kevin Wolf, 2018/09/17
- Re: [Qemu-devel] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Paolo Bonzini, 2018/09/17
- Re: [Qemu-devel] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Kevin Wolf, 2018/09/17
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Paolo Bonzini, 2018/09/17
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Kevin Wolf, 2018/09/17
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Paolo Bonzini, 2018/09/17
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Kevin Wolf, 2018/09/18
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Paolo Bonzini, 2018/09/18
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Kevin Wolf, 2018/09/18
- Re: [Qemu-devel] [Qemu-block] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback, Paolo Bonzini, 2018/09/19
Re: [Qemu-devel] [PATCH v2 11/17] block-backend: Decrease in_flight only after callback,
Max Reitz <=
[Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Kevin Wolf, 2018/09/13
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Max Reitz, 2018/09/13
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Max Reitz, 2018/09/13
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Kevin Wolf, 2018/09/14
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Max Reitz, 2018/09/16
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Kevin Wolf, 2018/09/17
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Max Reitz, 2018/09/18
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Kevin Wolf, 2018/09/18
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Max Reitz, 2018/09/18
- Re: [Qemu-devel] [PATCH v2 12/17] mirror: Fix potential use-after-free in active commit, Kevin Wolf, 2018/09/20