Re: [Qemu-block] [Qemu-devel] [PATCH v2 02/12] migration: Don't lose errno across aio context changes

[Eric Blake]

On 05/16/2017 03:47 PM, Eric Blake wrote:
> set_dirty_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: John Snow <address@hidden>
> Reviewed-by: Juan Quintela <address@hidden>
> 

This may still be appropriate for 2.9.1, but is no longer needed on
master thanks to Paolo's work in commit 2119882c7e.

I'll have to rebase and re-send this series, one patch shorter.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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