From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: "qemu-block@nongnu.org" <qemu-block@nongnu.org>
Cc: "kwolf@redhat.com" <kwolf@redhat.com>,
Denis Lunev <den@virtuozzo.com>,
"jsnow@redhat.com" <jsnow@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"mreitz@redhat.com" <mreitz@redhat.com>
Subject: Re: [PATCH 0/4] active-mirror: support unaligned guest operations
Date: Wed, 2 Oct 2019 09:53:16 +0000 [thread overview]
Message-ID: <d77c8228-f8a3-eb3e-0da7-50ac48cc1ce0@virtuozzo.com> (raw)
In-Reply-To: <20190912151338.21225-1-vsementsov@virtuozzo.com>
ping
12.09.2019 18:13, Vladimir Sementsov-Ogievskiy wrote:
> Commit 9adc1cb49af8d fixed a bug about unaligned (to dirty bitmap
> granularity) guest writes (and discards) by simply requesting
> corresponding alignment on mirror-top filter. However forcing large
> alignment obviously decreases performance of unaligned requests.
>
> So it's time for a new solution which is in 03. And 04 reverts
> 9adc1cb49af8d.
>
> Vladimir Sementsov-Ogievskiy (4):
> block/mirror: simplify do_sync_target_write
> block/block-backend: add blk_co_pwritev_part
> block/mirror: support unaligned write in active mirror
> Revert "mirror: Only mirror granularity-aligned chunks"
>
> include/sysemu/block-backend.h | 4 +
> block/block-backend.c | 17 +++-
> block/mirror.c | 153 +++++++++++++--------------------
> 3 files changed, 78 insertions(+), 96 deletions(-)
>
--
Best regards,
Vladimir
prev parent reply other threads:[~2019-10-02 9:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-12 15:13 [Qemu-devel] [PATCH 0/4] active-mirror: support unaligned guest operations Vladimir Sementsov-Ogievskiy
2019-09-12 15:13 ` [Qemu-devel] [PATCH 1/4] block/mirror: simplify do_sync_target_write Vladimir Sementsov-Ogievskiy
2019-10-02 14:57 ` Max Reitz
2019-09-12 15:13 ` [Qemu-devel] [PATCH 2/4] block/block-backend: add blk_co_pwritev_part Vladimir Sementsov-Ogievskiy
2019-10-02 14:57 ` Max Reitz
2019-09-12 15:13 ` [Qemu-devel] [PATCH 3/4] block/mirror: support unaligned write in active mirror Vladimir Sementsov-Ogievskiy
2019-10-02 14:57 ` Max Reitz
2019-10-02 15:03 ` Vladimir Sementsov-Ogievskiy
2019-10-02 15:06 ` Vladimir Sementsov-Ogievskiy
2019-10-02 15:52 ` Max Reitz
2019-10-03 9:34 ` Vladimir Sementsov-Ogievskiy
2019-10-04 12:59 ` Max Reitz
2019-10-04 13:22 ` Vladimir Sementsov-Ogievskiy
2019-10-04 14:48 ` Max Reitz
2019-10-04 15:04 ` Vladimir Sementsov-Ogievskiy
2019-10-04 15:27 ` Max Reitz
2019-10-04 15:38 ` Vladimir Sementsov-Ogievskiy
2019-10-04 16:31 ` Max Reitz
2019-10-11 8:33 ` Vladimir Sementsov-Ogievskiy
2019-10-11 8:58 ` Max Reitz
2019-10-11 9:09 ` Vladimir Sementsov-Ogievskiy
2019-10-11 9:10 ` Vladimir Sementsov-Ogievskiy
2019-09-12 15:13 ` [Qemu-devel] [PATCH 4/4] Revert "mirror: Only mirror granularity-aligned chunks" Vladimir Sementsov-Ogievskiy
2019-10-04 16:33 ` Max Reitz
2019-10-02 9:53 ` Vladimir Sementsov-Ogievskiy [this message]
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