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Re: [Qemu-devel] [PATCH v5 8/9] file-posix: account discard operations
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
Re: [Qemu-devel] [PATCH v5 8/9] file-posix: account discard operations |
Date: |
Fri, 23 Nov 2018 18:34:16 +0000 |
31.10.2018 14:35, Anton Nefedov wrote:
> This will help to identify how many of the user-issued discard operations
> (accounted on a device level) have actually suceeded down on the host file
> (even though the numbers will not be exactly the same if non-raw format
> driver is used (e.g. qcow2 sending metadata discards)).
>
> Note that these numbers will not include discards triggered by
> write-zeroes + MAY_UNMAP calls.
>
> Signed-off-by: Anton Nefedov <address@hidden>
Reviewed-by: Vladimir Sementsov-Ogievskiy <address@hidden>
--
Best regards,
Vladimir
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