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Re: [Qemu-block] [PATCH 0/1] block: Eliminate the S_1KiB, S_2KiB, ... ma

From: Kevin Wolf
Subject: Re: [Qemu-block] [PATCH 0/1] block: Eliminate the S_1KiB, S_2KiB, ... macros
Date: Fri, 25 Jan 2019 11:46:44 +0100
User-agent: Mutt/1.10.1 (2018-07-13)

Am 11.01.2019 um 20:14 hat Markus Armbruster geschrieben:
> Back in September, Leonid Block added a whole bunch of macros (commit
> 540b8492618) to improve readability of qcow2.h a bit (commit
> b6a95c6d100).  He later used them to fix the "vdi" driver's parameter
> cluster_size's default value (commit 3dd5b8f4718).  He has now
> proposed a further patch[1] to auto-generate these macros.  That patch
> feels overengineered to me.
> On closer examination, I found I dislike the macros before his new
> patch.  So did Eric Blake.
> The macros exist because the common KiB, MiB, ... macros aren't usable
> when you need a literal rather than a constant expression.
> stringify() does, and we use it to define the QemuOpts default value.
> Eric proposed to improve QemuOpts to accept integer default values,
> too[2].  Before I review that patch series, I want to establish a
> "stupidest solution that can possibly work" baseline.  And that's what
> this patch is.
> [1] [PATCH v2 0/1] include: Auto-generate the sizes lookup table
> Message-ID: <address@hidden>
> [2] [PATCH v3 0/6] include: Auto-generate the sizes lookup table
> Message-Id: <address@hidden>

Thanks, applied to the block branch.


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