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 022691A5BB1; Fri, 4 Apr 2025 09:27:45 +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=1743758867; cv=none; b=Ad5q7ksHEHgpK0JzZGtnS2h6D7VnhBc4Rm+IfHzPiNy4FM9j8cf6QcrwOSA71o0+M6K+XhwRsqYFF7l1J/sX3zvAwMhjQUwcVHI386t1b8FHLwf2XRHwJi/8HdlGAELN+cNF7XGDdXFfbARg3ghEpZByewe+paE6NWxgYtoRc8s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743758867; c=relaxed/simple; bh=aAD5iFrq3/jJIUHExCWlYV/HCg1lmL3zH3x/zCqIb2A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hu3RVG9PThV/np2QsB4PX8pPU8ywotSk3zCWkWtcWZ+DVqXEFFI0BSnEDHM0pGL3oS01q/09s3PAL7C2FOP7yFul4q/kXEXoQpCqT/xo5Ag8L2rstlWBRZqpVTHj/sF/sAzFH/GmDF0yfuqPf1hxOj0xJ8K1DWM2tKuvQgxlUCc= 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 1635B68B05; Fri, 4 Apr 2025 11:27:40 +0200 (CEST) Date: Fri, 4 Apr 2025 11:27:39 +0200 From: Christoph Hellwig To: Yu Kuai Cc: hch@lst.de, xni@redhat.com, colyli@kernel.org, axboe@kernel.dk, agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com, song@kernel.org, yukuai3@huawei.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com Subject: Re: [PATCH RFC v2 00/14] md: introduce a new lockless bitmap Message-ID: <20250404092739.GA14046@lst.de> References: <20250328060853.4124527-1-yukuai1@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-block@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: <20250328060853.4124527-1-yukuai1@huaweicloud.com> User-Agent: Mutt/1.5.17 (2007-11-01) On Fri, Mar 28, 2025 at 02:08:39PM +0800, Yu Kuai wrote: > 1) user must apply the following mdadm patch, and then llbitmap can be > enabled by --bitmap=lockless > https://lore.kernel.org/all/20250327134853.1069356-1-yukuai1@huaweicloud.com/ > 2) this set is cooked on the top of my other set: > https://lore.kernel.org/all/20250219083456.941760-1-yukuai1@huaweicloud.com/ I tried to create a tree to review the entire thing but failed. Can you please also provide a working git branch?