From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 CF5CB18C2A for ; Fri, 3 Nov 2023 14:21:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qxZWsjHN" Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3844D43; Fri, 3 Nov 2023 07:21:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=dAzjT3TYWrQtfQePCJduov/rj/hQ+W1VM4VA8kn82cY=; b=qxZWsjHNOR0PE8qCrGmYodo06a HFLdifrg9MZ2DjQmyFevuA4sVBDwQjo2TWGpupgDAbz6T49umUOFNlV2iaiZhDIt5+dVEepU0dYo1 Yd0KKYf4M2f+gcJIWwDRZna18qT9d2dFYkDkCLeDmazGikWs66YSaaNflqVoUpH7lzAKIWwHzxvtQ 3PEpAAPlCYZGHIm3GOfRVMQLgSpEQN6OOSm0xN5u0rOD+lCCGciTkDoJXeuzgEQtEfqTwKxDPLQ+7 AMPwsWrfPTnmN3CUFj63oAH2G7tCaayJ5f0jrfZwW5rgVW6+XN9UCTYy2hb2YbVlxPspt9LBzTcwE 9SMrR3vA==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qyv37-00BZE0-0r; Fri, 03 Nov 2023 14:21:25 +0000 Date: Fri, 3 Nov 2023 07:21:25 -0700 From: Christoph Hellwig To: Qu Wenruo Cc: Christoph Hellwig , Christian Brauner , Josef Bacik , Amir Goldstein , Jan Kara , Chris Mason , David Sterba , linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 0/3] fanotify support for btrfs sub-volumes Message-ID: References: <20231025210654.GA2892534@perftesting> <20231027131726.GA2915471@perftesting> <20231031-faktor-wahlparty-5daeaf122c5e@brauner> <20231031-anorak-sammeln-8b1c4264f0db@brauner> <413e2e17-868a-4ce7-bafd-6c0018486465@gmx.com> Precedence: bulk X-Mailing-List: linux-fsdevel@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: <413e2e17-868a-4ce7-bafd-6c0018486465@gmx.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Wed, Nov 01, 2023 at 10:33:41AM +1030, Qu Wenruo wrote: > Can we make this more dynamic? Like only initializing the vfsmount if > the subvolume tree got its first read? Yes, I would treat it like an automount.