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 99D0B1D54FD; Mon, 7 Oct 2024 14:12:02 +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=1728310322; cv=none; b=QwZ0KeaSlkzgMf/hU5m5vuhbwuDfz8hsDdw72FvGQn6pVI0hx4VeecsqELG5jrVc8S+Zd54PpmqxGbolvyrVA/SES5QSDLjsGwBvAr5MwY0RyyTEa6V/eNExi8IQqYZRz8bJa/W0QzrfEhqOFskfCAoHtqdARJNj/SEuL2x3VCc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728310322; c=relaxed/simple; bh=ybFSDB793E+AR/RaS+tyFBVGPsMJ3mur3+7gERRCSwI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=b/Xb9IDzwRLmxz3vww/9a0tk3GEFS2CnUGeRgvke5sXJCeb4QF22ExdeIEhu9PIIkLGC+uPP4aAhRdpODOxJMEiuYEviHJOJwMrOVX3IrQLvQZv1OOmlTTAC1xiojWOaOHm5Vop7ztpp95TtR98iZyqf2giweni5Go4/r4IWOIw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tRruKamw; 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="tRruKamw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E1643C4CED0; Mon, 7 Oct 2024 14:12:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728310322; bh=ybFSDB793E+AR/RaS+tyFBVGPsMJ3mur3+7gERRCSwI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tRruKamwkMKa8ls0Nj3OchiowXPhrd7s591m9NO18RyILz3ZqO+yyhCnxyXO3W3sq YSWWU3dS/alYrizwOhDWCML0fzJJptj+rR156l+UiLogXCOW5Hn9XY3UFAFSQ5meDi zLjw0+ztS8aN8k7aoRCRVtNvGsjdlcQO1vAXYIZ1VwxF9WsJPX3hMc2U9s2jQnRcoF wsVfb+0VBclM8MrAB8xDyWXU0/MOMklPBer/ltIjFZXsZZvA6EHMR8vAkifuq1+Rs/ 1mGw3SuMWYkNZDiRm0RbOsh6NiP0SPfAhUVbHOCYVR2G2OrC+LrF0HUs5DgaCzozwu FfN/HnyzoW0fA== Date: Mon, 7 Oct 2024 16:11:58 +0200 From: Christian Brauner To: Amir Goldstein Cc: Miklos Szeredi , Al Viro , linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org Subject: Re: [PATCH v2 0/4] Stash overlay real upper file in backing_file Message-ID: <20241007-trial-abbrechen-dc2976f10eb3@brauner> References: <20241006082359.263755-1-amir73il@gmail.com> Precedence: bulk X-Mailing-List: linux-unionfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Oct 07, 2024 at 01:01:56PM GMT, Amir Goldstein wrote: > On Mon, Oct 7, 2024 at 12:38 PM Miklos Szeredi wrote: > > > > On Mon, 7 Oct 2024 at 12:22, Amir Goldstein wrote: > > > > > Maybe it is more straightforward, I can go with that, but it > > > feels like a waste not to use the space in backing_file, > > > so let me first try to convince you otherwise. > > > > Is it not a much bigger waste to allocate backing_file with kmalloc() > > instead of kmem_cache_alloc()? > > Yes, much bigger... > > Christian is still moving things around wrt lifetime of file and > backing_file, so I do not want to intervene in the file_table.c space. My plan was to just snatch your series on top of things once it's ready. Sorry, I didn't get around to take a look. It seems even just closing your eyes for a weekend to a computer screen is like opening flood gates...