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:	Vladimir Sementsov-Ogievskiy
Subject:	Re: [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO_WRITE for truncate
Date:	Tue, 21 Apr 2020 13:56:31 +0300
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1

20.04.2020 16:32, 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: Vladimir Sementsov-Ogievskiy <address@hidden>

--
Best regards,
Vladimir

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Re: [PATCH v4 1/9] block: Add flags to BlockDriver.bdrv_co_truncate(), (continued)
- [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 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 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, 2020/04/20
  - Re: [PATCH v4 6/9] file-posix: Support BDRV_REQ_ZERO_WRITE for truncate, Vladimir Sementsov-Ogievskiy <=
- [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
  - Re: [PATCH v4 7/9] block: truncate: Don't make backing file data visible, Vladimir Sementsov-Ogievskiy, 2020/04/21
- [PATCH v4 9/9] iotests: Test committing to short backing file, Kevin Wolf, 2020/04/20
  - Re: [PATCH v4 9/9] iotests: Test committing to short backing file, Vladimir Sementsov-Ogievskiy, 2020/04/21
- Re: [PATCH v4 0/9] block: Fix resize (extending) of short overlays, no-reply, 2020/04/20

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