From patchwork Fri Jul 22 07:12:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 12926031 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4D0FC19F56 for ; Fri, 22 Jul 2022 07:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234270AbiGVHOU (ORCPT ); Fri, 22 Jul 2022 03:14:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234344AbiGVHOH (ORCPT ); Fri, 22 Jul 2022 03:14:07 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57A6A93C37; Fri, 22 Jul 2022 00:14:06 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2BABD6218C; Fri, 22 Jul 2022 07:14:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0077C385A5; Fri, 22 Jul 2022 07:14:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658474046; bh=vRMBs3p3k29TcKDOjHrOzYfkIvFsVQJZG7mrxyu++ts=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eKeG5bGyliUl/1pyKmdtZZa0HOvtmSTtj9U4sC95NA5D8IDsq+Vegw9IPhy3zbjWv VqBDKe1x8aTlQjYpZmOMT+hUh8Aesxl0g1m7dUutCmVaHepkeaFHOzBQ+bMhojs9ly /WvlzVL8NEAuDYHcRJY4G6MbYT3B+y7a85CKNjHSv7sa9w11u6gXPuSWPqIx6s8FEq CBjT4NrDoDakb2YfI9wXiBl4aVMWoXX5NaOKuAMrM65vruCbF1lQRkQWGIdtzy3DOj HyUTCFpCWZcPAT8omY/l/15TzbUHaoqDQY9UCrKT6K/a1YkdC2IqrFuYv6I7tmEbOh F8uJYZfxDcI0A== From: Eric Biggers To: linux-fsdevel@vger.kernel.org Cc: linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-api@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Keith Busch Subject: [PATCH v4 9/9] xfs: support STATX_DIOALIGN Date: Fri, 22 Jul 2022 00:12:28 -0700 Message-Id: <20220722071228.146690-10-ebiggers@kernel.org> X-Mailer: git-send-email 2.37.0 In-Reply-To: <20220722071228.146690-1-ebiggers@kernel.org> References: <20220722071228.146690-1-ebiggers@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fscrypt@vger.kernel.org From: Eric Biggers Add support for STATX_DIOALIGN to xfs, so that direct I/O alignment restrictions are exposed to userspace in a generic way. Signed-off-by: Eric Biggers Reviewed-by: Christoph Hellwig Reviewed-by: Darrick J. Wong --- fs/xfs/xfs_iops.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 29f5b8b8aca69a..bac3f56141801e 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -605,6 +605,15 @@ xfs_vn_getattr( stat->blksize = BLKDEV_IOSIZE; stat->rdev = inode->i_rdev; break; + case S_IFREG: + if (request_mask & STATX_DIOALIGN) { + struct xfs_buftarg *target = xfs_inode_buftarg(ip); + + stat->result_mask |= STATX_DIOALIGN; + stat->dio_mem_align = target->bt_logical_sectorsize; + stat->dio_offset_align = target->bt_logical_sectorsize; + } + fallthrough; default: stat->blksize = xfs_stat_blksize(ip); stat->rdev = 0;