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Re: [PATCH 06/17] block/nvme: Replace qemu_try_blockalign(bs) by qemu_tr
From: |
Stefan Hajnoczi |
Subject: |
Re: [PATCH 06/17] block/nvme: Replace qemu_try_blockalign(bs) by qemu_try_memalign(pg_sz) |
Date: |
Fri, 26 Jun 2020 13:24:33 +0100 |
On Thu, Jun 25, 2020 at 08:48:27PM +0200, Philippe Mathieu-Daudé wrote:
> qemu_try_blockalign() is a generic API that call back to the
> block driver to return its page alignment. As we call from
> within the very same driver, we already know to page alignment
> stored in our state. Remove indirections and use the value from
> BDRVNVMeState.
The higher-level qemu_try_blockalign() API does not require all callers
to be aware of the memory alignment details. It seems like a
disadvantage to duplicate that knowledge throughout the code, even if
it's in the same driver source code.
Is there an advantage to this patch that I've missed?
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- [PATCH 02/17] block/nvme: Let nvme_create_queue_pair() fail gracefully, (continued)
- [PATCH 02/17] block/nvme: Let nvme_create_queue_pair() fail gracefully, Philippe Mathieu-Daudé, 2020/06/25
- [PATCH 03/17] block/nvme: Define QUEUE_INDEX macros to ease code review, Philippe Mathieu-Daudé, 2020/06/25
- [PATCH 04/17] block/nvme: Be explicit we share NvmeIdCtrl / NvmeIdNs structures, Philippe Mathieu-Daudé, 2020/06/25
- [PATCH 05/17] block/nvme: Replace qemu_try_blockalign0 by qemu_try_blockalign/memset, Philippe Mathieu-Daudé, 2020/06/25
- [PATCH 06/17] block/nvme: Replace qemu_try_blockalign(bs) by qemu_try_memalign(pg_sz), Philippe Mathieu-Daudé, 2020/06/25
- Re: [PATCH 06/17] block/nvme: Replace qemu_try_blockalign(bs) by qemu_try_memalign(pg_sz),
Stefan Hajnoczi <=
- [PATCH 07/17] block/nvme: Move code around, Philippe Mathieu-Daudé, 2020/06/25
- [PATCH 08/17] block/nvme: Use correct type void*, Philippe Mathieu-Daudé, 2020/06/25
- [PATCH 09/17] block/nvme: Remove unused argument from nvme_free_queue_pair(), Philippe Mathieu-Daudé, 2020/06/25
- [PATCH 10/17] block/nvme: Simplify nvme_init_queue() arguments, Philippe Mathieu-Daudé, 2020/06/25