From patchwork Thu Mar 23 14:33:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 9641325 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A357F6020B for ; Thu, 23 Mar 2017 14:39:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 960D72844E for ; Thu, 23 Mar 2017 14:39:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8B270284CB; Thu, 23 Mar 2017 14:39:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 544702844E for ; Thu, 23 Mar 2017 14:39:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755811AbdCWOjG (ORCPT ); Thu, 23 Mar 2017 10:39:06 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:50040 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755831AbdCWOed (ORCPT ); Thu, 23 Mar 2017 10:34:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding: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=xLZfgDq3ztAXiv2IIrzWMVt/K4FqEj/FCB8xVhpprg8=; b=uc92DoaAKj9Qn5T8Ho8aaxiL5 RIq/tCWiMA6JtD/yVLQi9t6pJLub1mT72ASR7sHIJyzPfXkic//OUcINe8o0C9GttzSsRo/8rd7qI zLrcyh8Wccxkv5jCnzyx3nTelJ6H62oitl9zD94wMq+ymzoJU1fGQRO6eDt8I7cYVE1TwbJn3Vydf RGDr8rUPoFQcFl9QjGu4PsJULAkoz/5CiQwGJrxPI6lNU3wA0fsnqWAdUvcEsVYl4hJ2gAX1Eurnm QsSiiL8WQraXQ+0zYYYdvigSVsklZp6DNzB4YjHgoajSLAWgnuAGYQoR7kGaSkhMwO8huxQx7xVY5 7GuYtK/ww==; Received: from [63.149.67.7] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.87 #1 (Red Hat Linux)) id 1cr3oI-0001oQ-4W; Thu, 23 Mar 2017 14:33:54 +0000 From: Christoph Hellwig To: axboe@kernel.dk, martin.petersen@oracle.com, agk@redhat.com, snitzer@redhat.com, shli@kernel.org, philipp.reisner@linbit.com, lars.ellenberg@linbit.com Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, drbd-dev@lists.linbit.com, dm-devel@redhat.com, linux-raid@vger.kernel.org Subject: [PATCH 07/23] block: stop using blkdev_issue_write_same for zeroing Date: Thu, 23 Mar 2017 10:33:25 -0400 Message-Id: <20170323143341.31549-8-hch@lst.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170323143341.31549-1-hch@lst.de> References: <20170323143341.31549-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We'll always use the WRITE ZEROES code for zeroing now. Signed-off-by: Christoph Hellwig --- block/blk-lib.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/block/blk-lib.c b/block/blk-lib.c index ed1e78e24db0..a93115ccf461 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -364,10 +364,6 @@ int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, return 0; } - if (!blkdev_issue_write_same(bdev, sector, nr_sects, gfp_mask, - ZERO_PAGE(0))) - return 0; - blk_start_plug(&plug); ret = __blkdev_issue_zeroout(bdev, sector, nr_sects, gfp_mask, &bio, discard);