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 BF1A4801 for ; Wed, 15 Jan 2025 05:22:45 +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=1736918567; cv=none; b=QEZv1ajK7Ws7OYUZRLwH4cyvPVRO68bcHGXSeTbx2nHZsogQYmyl+67x+hu3LkDBnl+VsDKrP95SHO2Ps9Yw3DtuxT3Eblj2eS1CQxcI8SPPIsDtUh/K8DMsqP7QQH2K4c6da1aoSp6tGuATE+n3o5sBsdjn6d9ylrry0zsw+Xw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736918567; c=relaxed/simple; bh=k7DXwJEx2+r/DCCNZoNpY0+QSBGfjzjB3EgGBPLrs1Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=EuhdV5MvIPMtePpym7CDKRu4YjlJABk93whaPh8DGaZuyXirugEkOxX8kO4ipkKCi7NXHK2uTAH9wOpbP6gwZjQnYMWvLxfc6ZGlQXEsWPWF6ARQWJdDAW1QYmU7n1bEEwUzJMC91lLjx8WTiZa+xJZAG+GvleUZ6p+WFuy/Jyc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (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=none (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 02C8E68B05; Wed, 15 Jan 2025 06:22:42 +0100 (CET) Date: Wed, 15 Jan 2025 06:22:41 +0100 From: Christoph Hellwig To: "Darrick J. Wong" Cc: aalbersh@kernel.org, linux-xfs@vger.kernel.org Subject: Re: [PATCH 5/5] mkfs: allow sizing realtime allocation groups for concurrency Message-ID: <20250115052241.GE28609@lst.de> References: <173689081879.3476119.15344563789813181160.stgit@frogsfrogsfrogs> <173689081956.3476119.7466311188976179968.stgit@frogsfrogsfrogs> 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: <173689081956.3476119.7466311188976179968.stgit@frogsfrogsfrogs> User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Jan 14, 2025 at 01:41:40PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong > > Add a -r concurrency= option to mkfs so that sysadmins can configure the > filesystem so that there are enough rtgroups that the specified number > of threads can (in theory) can find an uncontended rtgroup from which to > allocate space. This has the exact same purpose as the -d concurrency > switch that was added for the data device. Looks good: Reviewed-by: Christoph Hellwig