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Message-ID: <20240925103118.GE967758@unreal>
Date: Wed, 25 Sep 2024 13:31:18 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Eduard Zingerman <eddyz87@...il.com>,
David Howells <dhowells@...hat.com>,
Christian Brauner <brauner@...nel.org>
Cc: Manu Bretelle <chantr4@...il.com>, asmadeus@...ewreck.org,
ceph-devel@...r.kernel.org, christian@...uner.io, ericvh@...nel.org,
hsiangkao@...ux.alibaba.com, idryomov@...il.com, jlayton@...nel.org,
linux-afs@...ts.infradead.org, linux-cifs@...r.kernel.org,
linux-erofs@...ts.ozlabs.org, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
linux-nfs@...r.kernel.org, marc.dionne@...istor.com,
netdev@...r.kernel.org, netfs@...ts.linux.dev, pc@...guebit.com,
smfrench@...il.com, sprasad@...rosoft.com, tom@...pey.com,
v9fs@...ts.linux.dev, willy@...radead.org
Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading
On Tue, Sep 24, 2024 at 05:01:13PM -0700, Eduard Zingerman wrote:
> On Wed, 2024-09-25 at 00:20 +0100, David Howells wrote:
> > Could you try the attached? It may help, though this fixes a bug in the
> > write-side, not the read-side.
> >
>
> Hi David,
>
> I tried this patch on top of bpf-next but behaviour seems unchanged,
> dmesg is at [1].
>
> [1] https://gist.github.com/eddyz87/ce45f90453980af6a5fadeb652e109f3
BTW, I'm hitting the same issue over Linus's tree now, but unfortunately
there is no WA in my case as I don't have "cache=mmap" in rootflags.
https://lore.kernel.org/all/20240924094809.GA1182241@unreal/#t
It came to Linus with Christian Brauner's pull request.
https://lore.kernel.org/all/20240913-vfs-netfs-39ef6f974061@brauner/
Thanks
>
> Thanks,
> Eduard
>
> [...]
>
>
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