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Re: [Qemu-devel] [PATCH] blockdev: use drained_begin/end for qmp_block_r
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-devel] [PATCH] blockdev: use drained_begin/end for qmp_block_resize |
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Date: |
Thu, 11 May 2017 11:26:26 +0200 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 10.05.2017 um 19:39 hat John Snow geschrieben:
> Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1447551
>
> If one tries to issue a block_resize while a guest is busy
> accessing the disk, it is possible that qemu may deadlock
> when invoking aio_poll from both the main loop and the iothread.
>
> Replace another instance of bdrv_drain_all that doesn't
> quite belong.
>
> Suggested-by: Paolo Bonzini <address@hidden>
> Signed-off-by: John Snow <address@hidden>
Thanks, applied to the block branch.
Kevin