From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 980691C06 for ; Tue, 16 Apr 2024 18:56:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713293760; cv=none; b=mVk718DQM591jN288egKx/7yS7drw29G9pwHRnlPaDQXgL/qemiU7igyzVQEWrfXVXWRmKTTFywYTG9fC2ECtxxEaTv0wrgd5RSs/8MR2t35B6uVktj8n1njpY9xu+zsBBRgSlcVqNVyWzj9hs3tqM9D2YHFTFJETruLcJl1PUQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713293760; c=relaxed/simple; bh=nN6y+mhd9auKZ6VN0a4y0xZkoFhjQwqO7FSy3vi+vl0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hdmNmfwG1CQTwMHEcEI9H05VQoboAJotwzpDXA+fSq97riwaifTgxNk71R7QdAGW1TCAsAc/uieJC90GkKC+CVJAwHcZl13JT0i65VLVcnUVB63ul/0fZZGJRsJV/CWqW55zOntszaStkCMfkOZ2UqCpVbHaZZlDYRWgOKg2wWk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LnT+7dzj; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LnT+7dzj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20F1EC113CE; Tue, 16 Apr 2024 18:56:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713293760; bh=nN6y+mhd9auKZ6VN0a4y0xZkoFhjQwqO7FSy3vi+vl0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LnT+7dzjxolQrvFgxIsk483ZdE/I+l7WsLghBwnaNsz5OpSKlXbAW1sMVTZuFYwvj 7nh0xQArqeYvYEqRj6V7zNvzCLkb+KN7NBNurKSA6ueudIxXXPxQfI+rLTgPvNoSv8 8aL5wqxIg/+MRGGgxlgahwhlIsxWOGMthac8okqWTRKjaIoPvAHkx6mk9yhtXfV6cX Cbdsnc5E6w4DAHD+QUc3yppywxL9wiRhb0oR5jtG87o8BtkL286NdNlJo6/rSVNbA6 nYcCcXBnynqtXXnUw3V4A0B1q+ILytn/mvVWdMP0SFDb0ltZj6cA9v1wMxlruR7ter dSvD5l1j0E5/A== Date: Tue, 16 Apr 2024 11:55:59 -0700 From: "Darrick J. Wong" To: Christoph Hellwig Cc: cem@kernel.org, cmaiolino@redhat.com, linux-xfs@vger.kernel.org Subject: Re: [PATCH 090/111] libxfs: partition memfd files to avoid using too many fds Message-ID: <20240416185559.GA11948@frogsfrogsfrogs> References: <171322882240.211103.3776766269442402814.stgit@frogsfrogsfrogs> <171322883514.211103.15800307559901643828.stgit@frogsfrogsfrogs> <20240416154932.GH11948@frogsfrogsfrogs> <20240416165741.GP11948@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: On Tue, Apr 16, 2024 at 11:47:35AM -0700, Christoph Hellwig wrote: > On Tue, Apr 16, 2024 at 09:57:41AM -0700, Darrick J. Wong wrote: > > cloud-init is a piece of software that cloud/container vendors install > > in the rootfs that will, upon the first startup, growfs the minified > > root image to cover the entire root disk. This is why we keep getting > > complaints about 1TB filesystems with 1,000 AGs in them. It's "fine" > > for ext4 because of the 128M groups, and completely terrible for XFS. > > > > (More generally it will also configure networking, accounts, and the > > mandatory vendor agents and whatnot.) > > Yes, I know cloud-init, but between the misspelling and not directly > obvious relevance I didn't get the reference. Sorry, that was a typo on my part. --D