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AJvYcCUEifggE3oOAlMAMHx/Z11zbjiViHWfihp8on4mNN7wg++1iPWlLCCO8PQNYMRdsTvAeIVZ5Q==@lists.linux.dev, AJvYcCViGpbZMqktx3dIx+c+uETEiJVwOan7S+ftpBDEpXgn7uozHfapzyldWJDv7ryEZZXyRjMvMg==@lists.linux.dev X-Gm-Message-State: AOJu0Ywoy9bExXMYFpH3PD4Isj9ApZtY98FxmtWLYzLzDFz3+XHpu+67 9/6CPMZlNzEmypTk6o/V2uP/ut5sz3MGF7MCMvWSvYGTNJ6Ebbyv X-Google-Smtp-Source: AGHT+IFvocGse94WXxiZf5ejfW8ZMZrfybKRDozJJhDfTj+R6qo5a3bNsb79W/etWWrqI4tOhHvi1A== X-Received: by 2002:a05:6a21:e8e:b0:1d2:bc8f:5e73 with SMTP id adf61e73a8af0-1d4d4bc0cc2mr1117741637.38.1727222478887; Tue, 24 Sep 2024 17:01:18 -0700 (PDT) Received: from [192.168.0.235] ([38.34.87.7]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71afc9cbc02sm1675483b3a.213.2024.09.24.17.01.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Sep 2024 17:01:18 -0700 (PDT) Message-ID: <4b5621958a758da830c1cf09c6f6893aed371f9d.camel@gmail.com> Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading From: Eduard Zingerman To: David Howells , Manu Bretelle Cc: asmadeus@codewreck.org, ceph-devel@vger.kernel.org, christian@brauner.io, ericvh@kernel.org, hsiangkao@linux.alibaba.com, idryomov@gmail.com, jlayton@kernel.org, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, marc.dionne@auristor.com, netdev@vger.kernel.org, netfs@lists.linux.dev, pc@manguebit.com, smfrench@gmail.com, sprasad@microsoft.com, tom@talpey.com, v9fs@lists.linux.dev, willy@infradead.org Date: Tue, 24 Sep 2024 17:01:13 -0700 In-Reply-To: <1279816.1727220013@warthog.procyon.org.uk> References: <20240923183432.1876750-1-chantr4@gmail.com> <20240814203850.2240469-20-dhowells@redhat.com> <1279816.1727220013@warthog.procyon.org.uk> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.4 (3.52.4-1.fc40) Precedence: bulk X-Mailing-List: netfs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 Thanks, Eduard [...]