From: Konstantin Khorenko <khorenko@virtuozzo.com>
To: Liu Kui <kui.liu@virtuozzo.com>
Cc: devel@openvz.org, azaitsev@virtuozzo.com
Subject: Re: [Devel] [PATCH hci-8.1 0/3] fs/fuse kio: cut per-4k-page sendmsg/recvmsg calls in the sockio path
Date: Wed, 30 Sep 2026 18:09:35 +0200 [thread overview]
Message-ID: <179078457535.3618789.2043585992352052146.b4-ty@b4> (raw)
In-Reply-To: <20260930-sockio-refactor-8-1-v1-0-806348b9eb26@virtuozzo.com>
On Wed, 30 Sep 2026 15:34:30 +0800, Liu Kui wrote:
> fs/fuse kio: cut per-4k-page sendmsg/recvmsg calls in the sockio path
>
> The sockio transport submits one 4k segment per sock_sendmsg() /
> kernel_recvmsg() call, so a 1M chunk costs up to 256 socket calls
> each way. Rework both paths to hand the whole iov_iter to the socket
> in one call, and teach pcs_umem to keep hugepage-backed mappings as
> single 2M chunks so the bvec builder stops splitting them into 4k
> bio_vecs.
>
> [...]
Applied to branch-rh10-6.12.0-211.52.1.22.x.vz10-ovz, will be released in rh10-6.12.0-211.52.1.22.5.vz10, thanks!
[1/3] fs/fuse kio: teach pcs_umem about hugepage-backed mappings
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/83f385d3a683
[2/3] fs/fuse kio: refactor transmit path in pcs_sockio_send()
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/32b44dc7ba67
[3/3] fs/fuse kio: refactor receive path in pcs_sockio_recv()
https://bitbucket.org/virtuozzocore/vzkernel.vzs/commits/d1de79fe3866
--
Konstantin Khorenko <khorenko@virtuozzo.com>
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prev parent reply other threads:[~2026-09-30 16:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 7:34 Liu Kui
2026-09-30 7:34 ` [Devel] [PATCH hci-8.1 1/3] fs/fuse kio: teach pcs_umem about hugepage-backed mappings Liu Kui
2026-09-30 7:41 ` no-reply
2026-09-30 7:34 ` [Devel] [PATCH hci-8.1 2/3] fs/fuse kio: refactor transmit path in pcs_sockio_send() Liu Kui
2026-09-30 7:42 ` no-reply
2026-09-30 16:29 ` Konstantin Khorenko
2026-09-30 7:34 ` [Devel] [PATCH hci-8.1 3/3] fs/fuse kio: refactor receive path in pcs_sockio_recv() Liu Kui
2026-09-30 7:42 ` no-reply
2026-09-30 16:09 ` Konstantin Khorenko [this message]
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