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Re: [Qemu-block] [PATCH 2/9] block: BLK_PERM_WRITE includes ..._UNCHANGE
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-block] [PATCH 2/9] block: BLK_PERM_WRITE includes ..._UNCHANGED |
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Date: |
Fri, 20 Apr 2018 16:32:47 +0800 |
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User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Mon, Apr 16, 2018 at 06:58:42PM +0200, Max Reitz wrote:
> Currently we never actually check whether the WRITE_UNCHANGED
> permission has been taken for unchanging writes. But the one check that
> is commented out checks both WRITE and WRITE_UNCHANGED; and considering
> that WRITE_UNCHANGED is already documented as being weaker then WRITE,
s/then/than/
Reviewed-by: Stefan Hajnoczi <address@hidden>
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- [Qemu-block] [PATCH 0/9] block: Add COR filter driver, Max Reitz, 2018/04/16
- [Qemu-block] [PATCH 1/9] block: Add COR filter driver, Max Reitz, 2018/04/16
- [Qemu-block] [PATCH 2/9] block: BLK_PERM_WRITE includes ..._UNCHANGED, Max Reitz, 2018/04/16
- [Qemu-block] [PATCH 3/9] block: Add BDRV_REQ_WRITE_UNCHANGED flag, Max Reitz, 2018/04/16
- [Qemu-block] [PATCH 5/9] block/quorum: Support BDRV_REQ_WRITE_UNCHANGED, Max Reitz, 2018/04/16
- [Qemu-block] [PATCH 4/9] block: Set BDRV_REQ_WRITE_UNCHANGED for COR writes, Max Reitz, 2018/04/16