From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: Anton Nefedov <anton.nefedov@virtuozzo.com>,
"qemu-block@nongnu.org" <qemu-block@nongnu.org>
Cc: "kwolf@redhat.com" <kwolf@redhat.com>,
"berto@igalia.com" <berto@igalia.com>,
Denis Lunev <den@virtuozzo.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"mreitz@redhat.com" <mreitz@redhat.com>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"jsnow@redhat.com" <jsnow@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v8 8/9] file-posix: account discard operations
Date: Thu, 16 May 2019 15:23:31 +0000 [thread overview]
Message-ID: <26a8d27f-bf4b-cede-2119-320aa80aadd7@virtuozzo.com> (raw)
In-Reply-To: <20190516143314.81302-9-anton.nefedov@virtuozzo.com>
16.05.2019 17:33, 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 <anton.nefedov@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
--
Best regards,
Vladimir
next prev parent reply other threads:[~2019-05-16 15:24 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 14:33 [Qemu-devel] [PATCH v8 0/9] discard blockstats Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 1/9] qapi: group BlockDeviceStats fields Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 2/9] qapi: add unmap to BlockDeviceStats Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 3/9] block: add empty account cookie type Anton Nefedov
2019-05-16 15:34 ` Vladimir Sementsov-Ogievskiy
2019-05-16 16:00 ` Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 4/9] ide: account UNMAP (TRIM) operations Anton Nefedov
2019-08-12 18:16 ` Max Reitz
2019-08-21 11:06 ` Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 5/9] scsi: store unmap offset and nb_sectors in request struct Anton Nefedov
2019-08-12 17:58 ` Max Reitz
2019-08-21 11:03 ` Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 6/9] scsi: move unmap error checking to the complete callback Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 7/9] scsi: account unmap operations Anton Nefedov
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 8/9] file-posix: account discard operations Anton Nefedov
2019-05-16 15:23 ` Vladimir Sementsov-Ogievskiy [this message]
2019-05-16 14:33 ` [Qemu-devel] [PATCH v8 9/9] qapi: query-blockstat: add driver specific file-posix stats Anton Nefedov
2019-08-12 19:04 ` Max Reitz
2019-08-21 11:00 ` Anton Nefedov
2019-08-21 11:21 ` Max Reitz
2019-08-21 12:22 ` Anton Nefedov
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