From patchwork Wed Apr 5 17:21:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 9665165 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 394EC60364 for ; Wed, 5 Apr 2017 17:23:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 25CA8204C1 for ; Wed, 5 Apr 2017 17:23:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1AC2A2859E; Wed, 5 Apr 2017 17:23:22 +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 C772D285A1 for ; Wed, 5 Apr 2017 17:23:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933671AbdDERXM (ORCPT ); Wed, 5 Apr 2017 13:23:12 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:45680 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755921AbdDERWa (ORCPT ); Wed, 5 Apr 2017 13:22:30 -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=ulKMSANQao1GP8LuCklrSGO4V4WwcIXA0d4A+dPb0ak=; b=JqGNCWQgUds6iqLHAYgqoGcMB YGdL1pRWhtAOKTA02JJsmyLBjwWV58bu5YhG+AiHKChg7wU6i30bi4l0tw96eM9Ok4HvDavodyNMX +65XZSOLDmb1OkUg72GnTNWY8Vp3sXc7x/MD81VN/Tyyc5a0JyPNCQT9pXRb/j29AhTHx72501LI5 FWrnA5Xn0IUrPGootuu8uobXqgESqx9bPXeNaXgRRlFIfvvjHT3RKzjXmfeJ9WkA2jg6kOKlI1AKt 7jJGGnX0+j9Et1bMuseO+KlP4AetxNGt4Aio2H6MFoYWl4Gz8rZUJqKo5sXFkPkk3ASWmQcw8rnhw ECmvc1ECA==; Received: from clnet-p099-196.ikbnet.co.at ([83.175.99.196] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.87 #1 (Red Hat Linux)) id 1cvodX-0005K1-Ju; Wed, 05 Apr 2017 17:22:28 +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 20/27] rsxx: remove the discard_zeroes_data flag Date: Wed, 5 Apr 2017 19:21:18 +0200 Message-Id: <20170405172125.22600-21-hch@lst.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170405172125.22600-1-hch@lst.de> References: <20170405172125.22600-1-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 rsxx only supports discarding on large alignments, so the zeroing code would always fall back to explicit writings of zeroes. Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/block/rsxx/dev.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c index f81d70b39d10..9c566364ac9c 100644 --- a/drivers/block/rsxx/dev.c +++ b/drivers/block/rsxx/dev.c @@ -300,7 +300,6 @@ int rsxx_setup_dev(struct rsxx_cardinfo *card) RSXX_HW_BLK_SIZE >> 9); card->queue->limits.discard_granularity = RSXX_HW_BLK_SIZE; card->queue->limits.discard_alignment = RSXX_HW_BLK_SIZE; - card->queue->limits.discard_zeroes_data = 1; } card->queue->queuedata = card;