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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 C3F22EE57D0 for ; Fri, 8 Sep 2023 06:08:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ivSqbdIaew11jIuy3b2FJ8sJqyjpyuQpjdb9X+4So/k=; b=S/bSZV9KX5Vnwhi//plxVsG8Ea 5jidm/7+HPhZ9otlGJRqlsJ4huyQxOBsjzFh2ZomCTSYI0AXaQ5RFZVHMpmf4lRuQbyIZeid63SJA JKldPKc77qEuL1Bzu0tezkIejG85ATQB9c8Tr45A9xhWsO+XmFeqWAakuGO2uZdEqlTt9g8Me2Dis 4KybVO7TH/jQKR+cLOaWaLPGTDMuP6q5tpR8rJS+pXoS2kzAl/ed/wLO5Mx7ZUwxaqlPTq4uOeTsj pJSd4b1+lZICFN74sh0B9vC/ktTNwGBrAXd66rDY/LCKPzhW5Mhy38ChQXpGLf/vXPq2YSDG6S64l 6qOzIa+A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qeUfg-00D7yZ-09; Fri, 08 Sep 2023 06:08:48 +0000 Received: from smtp-out2.suse.de ([195.135.220.29]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qeUfc-00D7wj-1w for linux-nvme@lists.infradead.org; Fri, 08 Sep 2023 06:08:46 +0000 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 121FE1F45A; Fri, 8 Sep 2023 06:08:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1694153323; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ivSqbdIaew11jIuy3b2FJ8sJqyjpyuQpjdb9X+4So/k=; b=Ww+PbR+NZChwI9hAoic8DpX3L4csUIVIEAvvkPKyzNqzwf/eRRHFhFYHXV5/jMOULswp4P J8gUjCB0V+qM+wi+jgVhu6RnYezEvVfsR/EVljabJmdtFuN472Ujma7vr4ZbKPJKypFhij wBBWzQlKeUktHrHgEy1eRN40jKsAGFU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1694153323; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ivSqbdIaew11jIuy3b2FJ8sJqyjpyuQpjdb9X+4So/k=; b=GZr0pwkKaX5mCM6Rvq/aswI7YZyZQd7svEZ13JJiPkTTDhDlDxuvj1gd5ZDh9JOvjyCIGD f2qrTt+7kMY7FIBg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 8CAA5131FD; Fri, 8 Sep 2023 06:08:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id CCFRIWq6+mQYaQAAMHmgww (envelope-from ); Fri, 08 Sep 2023 06:08:42 +0000 Message-ID: Date: Fri, 8 Sep 2023 08:08:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v15 06/12] fs, block: copy_file_range for def_blk_ops for direct block device Content-Language: en-US To: Nitesh Shetty , Jens Axboe , Jonathan Corbet , Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, Keith Busch , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , Alexander Viro , Christian Brauner Cc: martin.petersen@oracle.com, mcgrof@kernel.org, gost.dev@samsung.com, Anuj Gupta , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org References: <20230906163844.18754-1-nj.shetty@samsung.com> <20230906163844.18754-7-nj.shetty@samsung.com> From: Hannes Reinecke In-Reply-To: <20230906163844.18754-7-nj.shetty@samsung.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230907_230844_784233_ED250553 X-CRM114-Status: GOOD ( 10.66 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On 9/6/23 18:38, Nitesh Shetty wrote: > For direct block device opened with O_DIRECT, use copy_file_range to > issue device copy offload, and fallback to generic_copy_file_range incase > device copy offload capability is absent or the device files are not open > with O_DIRECT. > > Signed-off-by: Anuj Gupta > Signed-off-by: Nitesh Shetty > --- > block/fops.c | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Ivo Totev, Andrew Myers, Andrew McDonald, Martje Boudien Moerman