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From: Eduard Zingerman <eddyz87@gmail.com>
To: David Howells <dhowells@redhat.com>, Leon Romanovsky <leon@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>,
	Manu Bretelle <chantr4@gmail.com>,
	 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
Subject: Re: [PATCH v2 19/25] netfs: Speed up buffered reading
Date: Sun, 29 Sep 2024 02:37:44 -0700	[thread overview]
Message-ID: <c688c115af578e6b6ae18d0eabe4aded9db2aad9.camel@gmail.com> (raw)
In-Reply-To: <2808175.1727601153@warthog.procyon.org.uk>

On Sun, 2024-09-29 at 10:12 +0100, David Howells wrote:
> Can you try the attached?  I've also put it on my branch here:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=netfs-fixes

Used your branch:
fc22830c5a07 ("9p: Don't revert the I/O iterator after reading")

dmesg is here:
https://gist.github.com/eddyz87/4cd50c2cf01323641999dc386e2d41eb

Still see null-ptr-deref.

[...]



  reply	other threads:[~2024-09-29  9:37 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-14 20:38 [PATCH v2 00/25] netfs: Read/write improvements David Howells
2024-08-14 20:38 ` [PATCH v2 01/25] netfs, ceph: Partially revert "netfs: Replace PG_fscache by setting folio->private and marking dirty" David Howells
2024-08-14 20:38 ` [PATCH v2 02/25] cachefiles: Fix non-taking of sb_writers around set/removexattr David Howells
2024-08-14 20:38 ` [PATCH v2 03/25] netfs: Adjust labels in /proc/fs/netfs/stats David Howells
2024-08-14 20:38 ` [PATCH v2 04/25] netfs: Record contention stats for writeback lock David Howells
2024-08-14 20:38 ` [PATCH v2 05/25] netfs: Reduce number of conditional branches in netfs_perform_write() David Howells
2024-08-14 20:38 ` [PATCH v2 06/25] netfs, cifs: Move CIFS_INO_MODIFIED_ATTR to netfs_inode David Howells
2024-08-14 20:38 ` [PATCH v2 07/25] netfs: Move max_len/max_nr_segs from netfs_io_subrequest to netfs_io_stream David Howells
2024-08-14 20:38 ` [PATCH v2 08/25] netfs: Reserve netfs_sreq_source 0 as unset/unknown David Howells
2024-08-14 20:38 ` [PATCH v2 09/25] netfs: Remove NETFS_COPY_TO_CACHE David Howells
2024-08-14 20:38 ` [PATCH v2 10/25] netfs: Set the request work function upon allocation David Howells
2024-08-14 20:38 ` [PATCH v2 11/25] netfs: Use bh-disabling spinlocks for rreq->lock David Howells
2024-08-14 20:38 ` [PATCH v2 12/25] mm: Define struct folio_queue and ITER_FOLIOQ to handle a sequence of folios David Howells
2024-08-14 20:38 ` [PATCH v2 13/25] iov_iter: Provide copy_folio_from_iter() David Howells
2024-08-14 20:38 ` [PATCH v2 14/25] cifs: Provide the capability to extract from ITER_FOLIOQ to RDMA SGEs David Howells
2024-08-14 20:38 ` [PATCH v2 15/25] netfs: Use new folio_queue data type and iterator instead of xarray iter David Howells
2024-09-24  9:48   ` Leon Romanovsky
2024-08-14 20:38 ` [PATCH v2 16/25] netfs: Provide an iterator-reset function David Howells
2024-08-14 20:38 ` [PATCH v2 17/25] netfs: Simplify the writeback code David Howells
2024-08-14 20:38 ` [PATCH v2 18/25] afs: Make read subreqs async David Howells
2024-08-14 20:38 ` [PATCH v2 19/25] netfs: Speed up buffered reading David Howells
2024-08-16 11:12   ` Simon Horman
2024-09-23 18:34   ` Manu Bretelle
2024-09-23 18:43     ` Eduard Zingerman
2024-09-23 21:56       ` Eduard Zingerman
2024-09-23 22:33       ` David Howells
2024-09-23 23:37         ` Eduard Zingerman
2024-09-23 19:38   ` David Howells
2024-09-23 20:20     ` Manu Bretelle
2024-09-24 23:20   ` David Howells
2024-09-25  0:01     ` Eduard Zingerman
2024-09-25 10:31       ` Leon Romanovsky
2024-09-29  9:12       ` David Howells
2024-09-29  9:37         ` Eduard Zingerman [this message]
2024-09-29 18:55           ` Leon Romanovsky
2024-09-30 12:44       ` David Howells
2024-09-30 12:51       ` David Howells
2024-09-30 16:46         ` Eduard Zingerman
2024-09-30 18:35         ` David Howells
2024-09-30 19:00           ` Omar Sandoval
2024-09-27 20:50   ` David Howells
2024-09-27 20:55     ` Eduard Zingerman
2024-09-27 21:11     ` David Howells
2024-09-27 23:22       ` Eduard Zingerman
2024-08-14 20:38 ` [PATCH v2 20/25] netfs: Remove fs/netfs/io.c David Howells
2024-08-14 20:38 ` [PATCH v2 21/25] cachefiles, netfs: Fix write to partial block at EOF David Howells
2024-08-14 20:38 ` [PATCH v2 22/25] netfs: Cancel dirty folios that have no storage destination David Howells
2024-08-14 20:38 ` [PATCH v2 23/25] cifs: Use iterate_and_advance*() routines directly for hashing David Howells
2024-08-14 20:38 ` [PATCH v2 24/25] cifs: Switch crypto buffer to use a folio_queue rather than an xarray David Howells
2024-08-14 20:38 ` [PATCH v2 25/25] cifs: Don't support ITER_XARRAY David Howells
2024-08-15 13:07 ` [PATCH v2 00/25] netfs: Read/write improvements Christian Brauner

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