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Mon, 30 Sep 2024 09:46:42 -0700 (PDT) Message-ID: <423fbd9101dab18ba772f24db4ab2fecf5de2261.camel@gmail.com> Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading From: Eduard Zingerman To: David Howells , Leon Romanovsky Cc: Christian Brauner , Manu Bretelle , 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: Mon, 30 Sep 2024 09:46:36 -0700 In-Reply-To: <2969660.1727700717@warthog.procyon.org.uk> References: <2968940.1727700270@warthog.procyon.org.uk> <20240925103118.GE967758@unreal> <20240923183432.1876750-1-chantr4@gmail.com> <20240814203850.2240469-20-dhowells@redhat.com> <1279816.1727220013@warthog.procyon.org.uk> <4b5621958a758da830c1cf09c6f6893aed371f9d.camel@gmail.com> <2969660.1727700717@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: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Mon, 2024-09-30 at 13:51 +0100, David Howells wrote: > David Howells wrote: >=20 > > Okay, let's try something a little more drastic. See if we can at leas= t get > > it booting to the point we can read the tracelog. If you can apply the > > attached patch? >=20 > It's also on my branch: >=20 > https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/lo= g/?h=3Dnetfs-fixes >=20 > along with another one that clears the folio pointer after unlocking. Hi David, dmesg is here: https://gist.github.com/eddyz87/3a5f2a7ae9ba6803fc46f06223a501fc Used the following commit from your branch: ba1659e0f147 ("9p: [DEBUGGING] Don't release pages or folioq structs") Still does not boot, unfortunately. Are there any hacks possible to printout tracelog before complete boot some= how? Thanks, Eduard