From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9357835EDC9 for ; Tue, 27 Jan 2026 16:42:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769532134; cv=none; b=bv1nn+tohkxK3LiLE+yOFS7i317hoyJUgAMqxdP2tI5kA+C0+M/3p9XIrxYSTGXUx0z42Fj7Cxn0/kF/9vkKDhwBAUYNu5OsaznuM4/QLbmmaf3zpzqHPGhG11aL7naF3wCrMx+TfALQHGf/8F7liDabM70orwWq1r/MYyI3/KE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769532134; c=relaxed/simple; bh=TmbzlUcuat7oVxMU8X7UFn3KDk2Tgls7t2uN2f+GyMQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PxYwjkM8+9fibLxJTssjgyt4hSjXVv5XINRuHYJ5P3VUnCyfLygEU9BlDflqZi7Idyu4s+SWEq+q1fO8fJGCLzG0Xc67ratfAN3P019SK1Beaxlngi5kFP00LXDkp10PGNcVfv1pG96XlTBPIJ2QeXm4TQvXRS+aiWHpwm14Zx0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 450EA6732A; Tue, 27 Jan 2026 17:42:09 +0100 (CET) Date: Tue, 27 Jan 2026 17:42:08 +0100 From: Christoph Hellwig To: Brian Foster Cc: Christoph Hellwig , Carlos Maiolino , Dave Chinner , linux-xfs@vger.kernel.org, "Darrick J. Wong" Subject: Re: [PATCH 1/3] xfs: don't keep a reference for buffers on the LRU Message-ID: <20260127164208.GA8761@lst.de> References: <20260126053825.1420158-1-hch@lst.de> <20260126053825.1420158-2-hch@lst.de> <20260127052050.GB24364@lst.de> Precedence: bulk X-Mailing-List: linux-xfs@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: User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Jan 27, 2026 at 10:42:18AM -0500, Brian Foster wrote: > IOW, I'm not arguing for or against a change in buffer lifetime behavior > here, just that it should probably be done separately with some more > careful analysis. The secondary advantage is that if this behavior does > somehow uncover something problematic, we can bisect/revert back to > historical lifetime behavior without having to walk back these > functional changes. Allright, I'll see if I can split it out.