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From: Stefan Hajnoczi <stefanha@redhat.com>
To: eesposit@redhat.com, kwolf@redhat.com
Cc: qemu-block@nongnu.org, qemu-devel@nongnu.org
Subject: Status of "block: Mark drain related functions GRAPH_RDLOCK"?
Date: Tue, 18 Apr 2023 16:08:18 -0400	[thread overview]
Message-ID: <20230418200818.GA4093165@fedora> (raw)

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Hi Emanuele and Kevin,
The following commit is not in qemu.git/master or Kevin's block-next
tree:
https://repo.or.cz/qemu/kevin.git/commitdiff/b4959a8028f417a269168e1570b5e502123e64ed

Do you what the status of that patch is?

Multi-queue block layer code I'm working on depends on this change to
bdrv_co_yield_to_drain():

-    replay_bh_schedule_oneshot_event(ctx, bdrv_co_drain_bh_cb, &data);
+    replay_bh_schedule_oneshot_event(qemu_get_aio_context(),
+                                     bdrv_co_drain_bh_cb, &data);

I want to ensure that .drained_begin/end/poll() callbacks always run in
the main loop thread under the BQL.

Thanks,
Stefan

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                 reply	other threads:[~2023-04-18 20:09 UTC|newest]

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