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 X-Spam-Level: X-Spam-Status: No, score=-6.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 011BEC43387 for ; Tue, 18 Dec 2018 16:41:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4AB9218A4 for ; Tue, 18 Dec 2018 16:41:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545151281; bh=mnjMX0797Uv3UdB7xBFPnFxvakE/x4AxwlLEW37WZ00=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ZWSgfrlj5InYV/NjFUvNk7gLQeRFtjlyWGQ6EemWprVxemQkrbq++1Ek3qeV2NzY5 J0j2H21nnIo1oIIzVDNbx+gNDwY/bt1YszUAPlNWB9jgrjHadWmiqNGeAq5ypYYGOF onb47MnL3hzeEi8M+NXYS2driBG5H56dGFkjcv0U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727493AbeLRQlV (ORCPT ); Tue, 18 Dec 2018 11:41:21 -0500 Received: from mail.kernel.org ([198.145.29.99]:38766 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726451AbeLRQlT (ORCPT ); Tue, 18 Dec 2018 11:41:19 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5DF69218B0; Tue, 18 Dec 2018 16:41:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545151278; bh=mnjMX0797Uv3UdB7xBFPnFxvakE/x4AxwlLEW37WZ00=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=loMgYHt0B/h9CmDx2B+93E9HCcCO6I8Nvj0YwJ2Q6KSdIDO67P1oWXetysTlJNUFq rMYGGVSSXpnPAWyDOwRpBs5aiCR2g/urohGuuDRDI0k62o6k7UaA0bavlQq4fcJrCu 6ktwmEgMKMPAGsNdR5gfKj8W3APyY7mC2/MLygIU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Mike Snitzer Subject: [PATCH 4.19 26/44] dm: call blk_queue_split() to impose device limits on bios Date: Tue, 18 Dec 2018 17:39:38 +0100 Message-Id: <20181218163930.574401907@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20181218163927.119623235@linuxfoundation.org> References: <20181218163927.119623235@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mike Snitzer commit 89f5fa47476eda56402e29fff3c5097f5c2a1e19 upstream. Otherwise the incoming bios, of various types, won't be shaped based on the DM device's advertised limits. Depends-on: af67c31fba ("blk: remove bio_set arg from blk_queue_split()") Fixes: 744889b7cb ("block: don't deal with discard limit in blkdev_issue_discard()") Cc: stable@vger.kernel.org Signed-off-by: Mike Snitzer Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1592,6 +1592,8 @@ static blk_qc_t __split_and_process_bio( return ret; } + blk_queue_split(md->queue, &bio); + init_clone_info(&ci, md, map, bio); if (bio->bi_opf & REQ_PREFLUSH) {