From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11]) (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 343171A2392 for ; Wed, 4 Mar 2026 14:14:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.9.28.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772633667; cv=none; b=GzEo+Hg2ymf5RRdIm5N0kmS0qRS+CVrMewxgLvmM1EUJsl2GLMd80XNnhMA9cgnvUZLmRKaa8KjtsjQWbvUrT+xY5w2lQe00V/yZpcayWmJdnphCWgWK5xs3TIQwFIUWDK8B7wbckmvGQ1ri9zi4K1kJI4gGR877n67uUE5xFJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772633667; c=relaxed/simple; bh=FuKc6t7DcwG+mQu4eBxw6G18XWXXQKWW4YuhYjUsnZU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=nVdXYUbAr40DApLvux++3ahdHu9fiZNt7ZIIWMeRyPc/31/Ps3I6ArvuHlltlD9zHhGinv1LdroJACk2v3SjjrqB6mx/b5v78UyrfmHCexVjemW77FZwJgKRDVEAG3ern7q8bhPMu+L1oYSp3n8s/tkIaiHAMncdJHHojJ6qyPc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu; spf=pass smtp.mailfrom=mit.edu; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b=JG6hF2YF; arc=none smtp.client-ip=18.9.28.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mit.edu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mit.edu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mit.edu header.i=@mit.edu header.b="JG6hF2YF" Received: from macsyma.thunk.org (99-196-129-228.cust.exede.net [99.196.129.228] (may be forged)) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 624EE650004187 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 4 Mar 2026 09:14:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing; t=1772633656; bh=EnzvVGkZDTGoQ8+nlJHlNyl/6W2tmjA5E+T0mfIpQ6Y=; h=Date:From:Subject:Message-ID:MIME-Version:Content-Type; b=JG6hF2YFD0ggUJ8L2zFSiCU1u/dv7gInQhdB4AWmScNHF+abeaHTwOx4mF92btQYe pjKK0RQCKLNdVOD+sjYVoTVtXaHKOsSPsohrjHJ2nke8krkMaJQNDpd9YZyq+99Kri d99/dMqaQ6u5UF2/XCOQO/7JnelMECUOHYz7Gt9k6UVt+so9vwrZT1YgH8jwvb8Sfm kH612ne2xzV1jcHS6dSr9W60XlVZj/CPwOAFDTnHbYR6w+o3nBoN1y0krMppeLwlL9 vxKNzSCMi7Wn3EC4tOwxNQA/lb3CmzBzSpuS/yG1huRWaSBsKXixPW5SSQWQewcCGI ldGtAQIJmMi5w== Received: by macsyma.thunk.org (Postfix, from userid 15806) id 5F8605B86333; Wed, 4 Mar 2026 09:14:04 -0500 (EST) Date: Wed, 4 Mar 2026 09:14:04 -0500 From: "Theodore Tso" To: Jan Kara Cc: linux-ext4@vger.kernel.org Subject: Re: [PATCH 05/32] ext4: Sync and invalidate metadata buffers from ext4_evict_inode() Message-ID: <20260304141404.GA8243@macsyma-wired.lan> References: <20260303101717.27224-1-jack@suse.cz> <20260303103406.4355-37-jack@suse.cz> Precedence: bulk X-Mailing-List: linux-ext4@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: <20260303103406.4355-37-jack@suse.cz> On Tue, Mar 03, 2026 at 11:33:54AM +0100, Jan Kara wrote: > There are only very few filesystems using generic metadata buffer head > tracking and everybody is paying the overhead. When we remove this > tracking for inode reclaim code .evict will start to see inodes with > metadata buffers attached so write them out and prune them. > > Signed-off-by: Jan Kara Acked-by: Theodore Ts'o