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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,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 7BA6FC3A5A1 for ; Mon, 26 Aug 2019 01:40:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53707217F4 for ; Mon, 26 Aug 2019 01:40:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726312AbfHZBkO (ORCPT ); Sun, 25 Aug 2019 21:40:14 -0400 Received: from mail104.syd.optusnet.com.au ([211.29.132.246]:46133 "EHLO mail104.syd.optusnet.com.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726257AbfHZBkO (ORCPT ); Sun, 25 Aug 2019 21:40:14 -0400 Received: from dread.disaster.area (pa49-181-255-194.pa.nsw.optusnet.com.au [49.181.255.194]) by mail104.syd.optusnet.com.au (Postfix) with ESMTPS id 187C643E14D for ; Mon, 26 Aug 2019 11:40:12 +1000 (AEST) Received: from discord.disaster.area ([192.168.253.110]) by dread.disaster.area with esmtp (Exim 4.92) (envelope-from ) id 1i23zO-0000rW-FX for linux-xfs@vger.kernel.org; Mon, 26 Aug 2019 11:40:10 +1000 Received: from dave by discord.disaster.area with local (Exim 4.92) (envelope-from ) id 1i23zO-0002v1-Dz for linux-xfs@vger.kernel.org; Mon, 26 Aug 2019 11:40:10 +1000 From: Dave Chinner To: linux-xfs@vger.kernel.org Subject: [PATCH 2/3] xfs: get allocation alignment from the buftarg Date: Mon, 26 Aug 2019 11:40:06 +1000 Message-Id: <20190826014007.10877-3-david@fromorbit.com> X-Mailer: git-send-email 2.23.0.rc1 In-Reply-To: <20190826014007.10877-1-david@fromorbit.com> References: <20190826014007.10877-1-david@fromorbit.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.2 cv=P6RKvmIu c=1 sm=1 tr=0 a=YO9NNpcXwc8z/SaoS+iAiA==:117 a=YO9NNpcXwc8z/SaoS+iAiA==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=FmdZ9Uzk2mMA:10 a=20KFwNOVAAAA:8 a=eehX1XrwpnflskltZVkA:9 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Dave Chinner Needed to feed into the allocation routine to guarantee the memory buffers we add to bios are correctly aligned to the underlying device. Signed-off-by: Dave Chinner --- fs/xfs/xfs_buf.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index c6e57a3f409e..f6ce17d8d848 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -350,6 +350,12 @@ extern int xfs_setsize_buftarg(xfs_buftarg_t *, unsigned int); #define xfs_getsize_buftarg(buftarg) block_size((buftarg)->bt_bdev) #define xfs_readonly_buftarg(buftarg) bdev_read_only((buftarg)->bt_bdev) +static inline int +xfs_buftarg_dma_alignment(struct xfs_buftarg *bt) +{ + return queue_dma_alignment(bt->bt_bdev->bd_disk->queue); +} + int xfs_buf_reverify(struct xfs_buf *bp, const struct xfs_buf_ops *ops); bool xfs_verify_magic(struct xfs_buf *bp, __be32 dmagic); bool xfs_verify_magic16(struct xfs_buf *bp, __be16 dmagic); -- 2.23.0.rc1