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 4DE213CB546 for ; Mon, 20 Jul 2026 07:59:06 +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=1784534349; cv=none; b=ktkeLOPaV+jr//GKNq8Lh2Mil/REDUqx6iuxBtMH6feHNnk3w85O95sOG6QMFiVvmnN/kq0kdxWtWWnPEm5SgLQsBGP2xnaFxeKsoge6pSYGreIORtlhV32iNb6mQVxpLuxBFGlWCzfek7RkQtg4I6ra52h7P4Pp/jG7vR8aScQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784534349; c=relaxed/simple; bh=5DWlOw3Ilg6IBA3BRzOrHqTcTygPmQsJYe8McEGbC8M=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AgfEi95Lyztbl3B1dT50VLE3cy+jcCUsudayQryzaeUBGoOQHNtiuD8XlrL7B+C0AdDmRVTSEZB3JJfIho5YJEG8CxPzJikFZJOyAb9s6beZE1ANpuAL0WkzTNyzYZiuHU9Y1uV/yocWNez8pywVh23Uywr7NZy25PFnJrMTGXo= 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 7395468BEB; Mon, 20 Jul 2026 09:59:03 +0200 (CEST) Date: Mon, 20 Jul 2026 09:59:02 +0200 From: Christoph Hellwig To: Brian Foster Cc: Christoph Hellwig , Carlos Maiolino , "Darrick J. Wong" , linux-xfs@vger.kernel.org Subject: Re: [PATCH 02/12] xfs: consolidate buffer locking in xfs_buf_get_map Message-ID: <20260720075902.GA18645@lst.de> References: <20260715145147.95654-1-hch@lst.de> <20260715145147.95654-3-hch@lst.de> <20260717085950.GA32056@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 Fri, Jul 17, 2026 at 10:13:10AM -0400, Brian Foster wrote: > I see that you're intentionally separating out the lookup from the buf > data locking, but it does still look like we're making a potential > functional tradeoff here by changing the insertion side locking. Yes. That commit log tries to cover that. > Note > that I don't object or know that it matters in any way, I'd just suggest > to add a note about this in the commit log in case somebody has to refer > back to this in the future. ... but I guess the wording wasn't goot enough. I'll try to improve it.