Re: [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO

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Re: [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO_WRITE for truncate

From:	Alberto Garcia
Subject:	Re: [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO_WRITE for truncate
Date:	Mon, 20 Apr 2020 16:05:37 +0200
User-agent:	Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu)

On Mon 20 Apr 2020 03:32:11 PM CEST, Kevin Wolf wrote:
> For regular files, we always get BDRV_REQ_ZERO_WRITE behaviour from the
> OS, so we can advertise the flag and just ignore it.
>
> Signed-off-by: Kevin Wolf <address@hidden>

Reviewed-by: Alberto Garcia <address@hidden>

Berto

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Re: [PATCH v4 1/9] block: Add flags to BlockDriver.bdrv_co_truncate(), (continued)
- [PATCH v4 3/9] block-backend: Add flags to blk_truncate(), Kevin Wolf, 2020/04/20
  - Re: [PATCH v4 3/9] block-backend: Add flags to blk_truncate(), Alberto Garcia, 2020/04/20
  - Re: [PATCH v4 3/9] block-backend: Add flags to blk_truncate(), Vladimir Sementsov-Ogievskiy, 2020/04/21
- [PATCH v4 5/9] raw-format: Support BDRV_REQ_ZERO_WRITE for truncate, Kevin Wolf, 2020/04/20
  - Re: [PATCH v4 5/9] raw-format: Support BDRV_REQ_ZERO_WRITE for truncate, Alberto Garcia, 2020/04/20
  - Re: [PATCH v4 5/9] raw-format: Support BDRV_REQ_ZERO_WRITE for truncate, Eric Blake, 2020/04/20
    - Re: [PATCH v4 5/9] raw-format: Support BDRV_REQ_ZERO_WRITE for truncate, Kevin Wolf, 2020/04/20
    - Re: [PATCH v4 5/9] raw-format: Support BDRV_REQ_ZERO_WRITE for truncate, Eric Blake, 2020/04/20
- [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO_WRITE for truncate, Kevin Wolf, 2020/04/20
  - Re: [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO_WRITE for truncate, Alberto Garcia <=
  - Re: [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO_WRITE for truncate, Vladimir Sementsov-Ogievskiy, 2020/04/21
- [PATCH v4 4/9] qcow2: Support BDRV_REQ_ZERO_WRITE for truncate, Kevin Wolf, 2020/04/20
  - Re: [PATCH v4 4/9] qcow2: Support BDRV_REQ_ZERO_WRITE for truncate, Alberto Garcia, 2020/04/20
  - Re: [PATCH v4 4/9] qcow2: Support BDRV_REQ_ZERO_WRITE for truncate, Vladimir Sementsov-Ogievskiy, 2020/04/21
    - Re: [PATCH v4 4/9] qcow2: Support BDRV_REQ_ZERO_WRITE for truncate, Alberto Garcia, 2020/04/21
    - Re: [PATCH v4 4/9] qcow2: Support BDRV_REQ_ZERO_WRITE for truncate, Vladimir Sementsov-Ogievskiy, 2020/04/21
- [PATCH v4 8/9] iotests: Filter testfiles out in img_info_log(), Kevin Wolf, 2020/04/20
  - Re: [PATCH v4 8/9] iotests: Filter testfiles out in img_info_log(), Vladimir Sementsov-Ogievskiy, 2020/04/21
- [PATCH v4 7/9] block: truncate: Don't make backing file data visible, Kevin Wolf, 2020/04/20
  - Re: [PATCH v4 7/9] block: truncate: Don't make backing file data visible, Alberto Garcia, 2020/04/20

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