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Fri, 4 Apr 2025 09:09:37 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id yYgrL9Gh72fxBwAAD6G6ig (envelope-from ); Fri, 04 Apr 2025 09:09:37 +0000 Message-ID: Date: Fri, 4 Apr 2025 11:09:37 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Potential Linux Crash: WARNING in ext4_dirty_folio in Linux kernel v6.13-rc5 Content-Language: en-US To: Matthew Wilcox , Matt Fleming Cc: adilger.kernel@dilger.ca, akpm@linux-foundation.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, luka.2016.cs@gmail.com, tytso@mit.edu, Barry Song , kernel-team@cloudflare.com, Miklos Szeredi , Amir Goldstein , Dave Chinner , Qi Zheng , Roman Gushchin , Muchun Song , "James E.J. Bottomley" References: <20250326105914.3803197-1-matt@readmodwrite.com> From: Vlastimil Babka In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Stat-Signature: z87fan39ui1k385useoe3kcuxm14s1i5 X-Rspam-User: X-Rspamd-Queue-Id: 58E4A4000A X-HE-Tag: 1743757779-588600 X-HE-Meta: U2FsdGVkX1+CmbenFzk9oNwbZ07oiBHkTtcBHk7yA8lYS+/yJ5pSl7IYdjtbwiNvDg7Lg4rP2Guv+ujrfIhumVgyxPdQ9QPh4Fd1Q59kvhKZug2s4pyejhrWfFz8/DaSPZrzLGPo4K7Nw7sQm3YkSMe6UtaQhioMHtuq6aQ0hCXebZ9P9rjlkj+ujLsJg3WvSridSC6tbJetuemmcUsf4LV/bW/sh9MWEGTvF65J+G26y8oYoice+NtDFp7xIedSg8zI893XslWq4ruww7zP1TvfelKxU37AKKtid9LcFckPRUAt8zSkKWWwozdxdqLyI1GAEzXByCdYtFLSOxPkAS4KlFfv3XUaTqO6ybp5bvAa6SfOTOWh5DrQSExQpoaGmyfYRvmpnvRaUJGPMeB0Tc1/NYrd3KZq0i6S63+RWRieOcLjXlVE3YV4mH4SiRXQ5Bn1h4rmYovA4EDAzgOOe4YjmU6P8/k7UTaW4vICph7O7t6lbVKqM8KTvyWsUJQ8qATd3EUIkn9RQE8OL0/IBEflkeSR3CCh5HDvKsSGMfkSeQvocTd5jlxk5rRRNQV6h4l8LWR6Eyrv1UdKlFHXIykJltVZyS3/cEDO90s47OqqezOhR89er6e6rqFXfAkBpVjBrqFaIib4Rft0V6t0eMYMX6I02mgvVT/HhNG0kXJmVl5X47wh4eoGL4OMpVGy7Lh4GRlsw+/AoPz7GUXjgcWKzUIzCePIae/cML18p0MW2FNFUbYz7SdQLAfPGzGIJZDtvdU6fcyUO0mR3o7uNaarIj3eTn/bElAvSXrRc4JigVSYc+F7F91+pHcjKj7gkjqqLyok4IJ4Ert30DffI+zffoaSRZyq6GPWHlwR9XjhmHCjaAJ1FmPKZb+jJuB0b41CfLqC3+nELOkAfpFXeb3c6RgsU8f4umKntBfaW3bwNf6V8ducwxQtHUPqy3Sd2/xQ6Pn/8aCKX3gnOsP 23UUj6LT I/haDVHcYfAM/ajkThYDj0V2Fa2QDtdqRpsrs0Z9sboGC7dTaEwFrAB3VdL9HH/GYKogZXfnRWfbUeN6AnomK9oMlSysDZr8WLZNVFehK/AVQK/QvlsMXm1I7u41DJOCQ78Gq0dDDJUxorV3ORsUdb/ZXBcgAvRJKbSouJiHJo/CeXBaBfc+9//D6roxdd+LyLBTs5EjYcxC+Urpa06p0pakYtZsH3TLK9LcP9/V4ComGynmLeVITepBDCXJOQFEdZApOhOpW8/iC8/hG3eEaVYpp3h2nzpsGoNXWgVqjaiRD8WQmq81AHpatuqhZHN0Z6PuaHZ62GFOKbbJ8hoMGuxZTC7h8UETNsgbBAp5+9dpoJVqWK2PeBqACFltPgFkmh6c1Vt0tNG+P8oQXvmiUjdhBFQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/3/25 19:12, Matthew Wilcox wrote: > Ideas still on the table: > > - Convert all filesystems to use the XFS inode management scheme. > Nobody is thrilled by this large amount of work. > - Find a simpler version of the XFS scheme to implement for other > filesystems. I don't know the XFS scheme, but this situation seems like a match for the mempool semantics? (I assume it's also a lot of work to implement)