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Re: [Qemu-devel] [PATCH 02/12] migration: Don't lose errno across aio co


From: Juan Quintela
Subject: Re: [Qemu-devel] [PATCH 02/12] migration: Don't lose errno across aio context changes
Date: Tue, 18 Apr 2017 22:02:50 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)

Eric Blake <address@hidden> wrote:
> set_drity_tracking() was assuming that the errno value set by
> bdrv_create_dirty_bitmap() would not be corrupted by either
> blk_get_aio_context() or aio_context_release().  Rather than
> audit whether this assumption is safe, rewrite the code to just
> grab the value of errno sooner.
>
> CC: address@hidden
> Signed-off-by: Eric Blake <address@hidden>

Reviewed-by: Juan Quintela <address@hidden>



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