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[76.182.20.124]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-454fdfc2835sm56536911cf.19.2024.08.27.15.18.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Aug 2024 15:18:05 -0700 (PDT) Date: Tue, 27 Aug 2024 18:18:04 -0400 From: Josef Bacik To: Bernd Schubert Cc: linux-fsdevel@vger.kernel.org, amir73il@gmail.com, miklos@szeredi.hu, joannelkoong@gmail.com Subject: Re: [PATCH 00/11] fuse: convert to using folios and iomap Message-ID: <20240827221804.GA2597336@perftesting> References: <1f36f129-fdd3-4992-87f6-e05943a376c1@ddn.com> Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1f36f129-fdd3-4992-87f6-e05943a376c1@ddn.com> On Tue, Aug 27, 2024 at 11:36:56PM +0200, Bernd Schubert wrote: > Hi Josef, > > On 8/27/24 22:45, Josef Bacik wrote: > > Hello, > > > > This is a prep series for my work to enable large folios on fuse. It has two > > dependencies, one is Joanne's writeback clean patches > > > > https://lore.kernel.org/linux-fsdevel/20240826211908.75190-1-joannelkoong@gmail.com/ > > > > and an iomap patch to allow us to pass the file through the buffered write path > > > > https://lore.kernel.org/linux-fsdevel/7f55c7c32275004ba00cddf862d970e6e633f750.1724755651.git.josef@toxicpanda.com/ > > > > I've run these through an fstests run with passthrough_hp --direct-io, > > everything looks good. > > why with --direct-io? It is not exactly O_DIRECT, but also not that far > away - don't you want to stress read-ahead and page cache usage on write? > I typically run with/without --direct-io, but disable passthrough. > I got distracted halfway through writing this email, I meant to write "with passthrough_hp with and without --direct-io". I have to run with --direct-io otherwise generic/097 hangs because of a fio bug (I really need to go fix that). Thanks, Josef