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Re: [Qemu-block] [Qemu-devel] [PATCH 05/19] tests/test-bdrv-drain: bdrv_
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH 05/19] tests/test-bdrv-drain: bdrv_drain_all() works in coroutines now |
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Date: |
Wed, 11 Apr 2018 13:33:18 -0500 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 |
On 04/11/2018 11:39 AM, Kevin Wolf wrote:
> Since we use bdrv_do_drained_begin/end() for bdrv_drain_all_begin/end(),
> coroutine context is automatically left with a BH, preventing the
> deadlocks that made bdrv_drain_all*() unsafe in coroutine context. We
> can consider it compatible now the latest, after having removed the old
s/the latest/at last/ ?
> polling code as dead code.
>
> Enable the coroutine test cases for bdrv_drain_all().
>
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
> tests/test-bdrv-drain.c | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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- [Qemu-block] [PATCH 00/19] Drain fixes and cleanups, part 3, Kevin Wolf, 2018/04/11
- [Qemu-block] [PATCH 03/19] block: Remove 'recursive' parameter from bdrv_drain_invoke(), Kevin Wolf, 2018/04/11
- [Qemu-block] [PATCH 02/19] block: Use bdrv_do_drain_begin/end in bdrv_drain_all(), Kevin Wolf, 2018/04/11
- [Qemu-block] [PATCH 05/19] tests/test-bdrv-drain: bdrv_drain_all() works in coroutines now, Kevin Wolf, 2018/04/11
- [Qemu-block] [PATCH 08/19] block: Remove bdrv_drain_recurse(), Kevin Wolf, 2018/04/11
- [Qemu-block] [PATCH 07/19] block: Really pause block jobs on drain, Kevin Wolf, 2018/04/11