From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 34903C5479D for ; Tue, 10 Jan 2023 02:55:50 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1pF4ni-00086K-UO; Tue, 10 Jan 2023 02:55:46 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pF4ng-00086A-R0 for linux-f2fs-devel@lists.sourceforge.net; Tue, 10 Jan 2023 02:55:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:Mime-Version :References:In-Reply-To:Message-Id:Subject:Cc:To:From:Date:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=JMNXsPxYhVKORIJezaHqnFFRc7qB+CERUFEvx8HBmPI=; b=aCbIpqZXfLst85kNQK5H0feaBg XrQetdS3WGzJVzb/EwlOKC8g27lwyMbniwvIZkFv2meWs2QcaDtd0zqL1CiKPPrlpkSeF/0Ccnrsl 9iwUsjN9rQZifaeahJmzZ5gYaOnQ77QU1Ma79UlDpHcyqfxz3Nf7peZazdYHQW9L96tI=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:Mime-Version:References: In-Reply-To:Message-Id:Subject:Cc:To:From:Date:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=JMNXsPxYhVKORIJezaHqnFFRc7qB+CERUFEvx8HBmPI=; b=it2YiCDj0guSL+9RboiUNRd48K ZEhwyZH+omCdoE0LsCRvijbw2NmzFA1qoJcbiBg/UonjWwlS3uRfOp8mZMkrYQ4zYuHX5M4VmAKWv ydlpJ8fO3H3mXU5emAqVTfT72OgdMtbSUASEL1XwyGktV3qcxXzyq8GkN/ZjoOrZ9xQI=; Received: from dfw.source.kernel.org ([139.178.84.217]) by sfi-mx-1.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1pF4nZ-00CNJF-P8 for linux-f2fs-devel@lists.sourceforge.net; Tue, 10 Jan 2023 02:55:44 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BB7DC614B4; Tue, 10 Jan 2023 02:38:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A862CC433EF; Tue, 10 Jan 2023 02:38:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1673318281; bh=Y64MR4JK48Pzp25aGh8zQ5wqMuidq5kQnWPvb8e5i9I=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=cEgGQa5zyUoGHgJLglyternN0KDprFlgUCd6BKIvxiD2upcGonWYYLG4H/yh6Ywbg mhfo1DGbQOmqUd8qvuzP76ikYLMkESZ1gih+2voSna2iJrFiRvv6jIDGac5HZ6dRo/ 9yjcHwGTRnn5HHiw2V0ZuL50gw2Z3KriC6g3L4ro= Date: Mon, 9 Jan 2023 18:37:59 -0800 From: Andrew Morton To: Eric Biggers Message-Id: <20230109183759.c1e469f5f2181e9988f10131@linux-foundation.org> In-Reply-To: <20221223203638.41293-11-ebiggers@kernel.org> References: <20221223203638.41293-1-ebiggers@kernel.org> <20221223203638.41293-11-ebiggers@kernel.org> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 X-Headers-End: 1pF4nZ-00CNJF-P8 Subject: Re: [f2fs-dev] [PATCH v2 10/11] fs/buffer.c: support fsverity in block_read_full_folio() X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrey Albershteyn , linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Fri, 23 Dec 2022 12:36:37 -0800 Eric Biggers wrote: > After each filesystem block (as represented by a buffer_head) has been > read from disk by block_read_full_folio(), verify it if needed. The > verification is done on the fsverity_read_workqueue. Also allow reads > of verity metadata past i_size, as required by ext4. Sigh. Do we reeeeealy need to mess with buffer.c in this fashion? Did any other subsystems feel a need to do this? > This is needed to support fsverity on ext4 filesystems where the > filesystem block size is less than the page size. Does any real person actually do this? _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel