From nobody Mon Oct 6 13:38:23 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 311EF2E1C7C; Mon, 21 Jul 2025 17:16:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753118205; cv=none; b=IOnmx/+jiInCUXS1UMD6bjuudSXGyztt0bSDsOauHiCxiB2oZgaT7BSS6d454IUUhYDo45PlCBNbMZuK0xK5+9Nt+sQX/O6E5MLdMO4jSZR2kEHubtOiEgb8xFN37DOXS2DD1tzYtFz8AD9vgyOPjaIxqKwiY3kLmGsf7JPlL+A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753118205; c=relaxed/simple; bh=hDz3DFXOYFPizJGAaypFAC4xK+xh8V9TABn0O0/Ut5U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kUXEAM58Yy0PQnzSCQMIK0m9UnscMRrmpB1eOJIy0y2V9Am5AdiV9mryv9lei0fPDZARcS1/IqtL9/UzUmb2u2dTB+xEfm0m6WvCwXtHavfUUc75VA71Vm17SXf55gcKq5oV9p9aqNIqj3ffyBmvm8EW0ESzwnXg6cVCP0g58l8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uEVRdu7c; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uEVRdu7c" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D57CC4CEED; Mon, 21 Jul 2025 17:16:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753118204; bh=hDz3DFXOYFPizJGAaypFAC4xK+xh8V9TABn0O0/Ut5U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uEVRdu7cSUqKfBxu0+fDHIcFQUF2J8fQMYywzE4C3TPn92PuM82DWgsh3ZZqhzCcj FJqdR4KqyAaxYChMG3bDtCX0H75J49ZPXd6T6XN51Pg0uxHz6ner6awyC+QhLym8P2 PH0k5aAydJbGBjQwm4KwXKQMG0nplTWRmL0OQqVHIBQDSh5XSbuh7nypJ1HptNP1PP RSOcOpB/UFigfK+3J0qdb2wuLS7itM7OFpmH5GrZWCv/p39yD4eZPSpXPqHD7QA8Nh LDBbiorDI029rXc/Bro8wutlKyGYWRxObvejSDU7vVu6IQkrC/UDFJCckHlNALIP9m 4VKZo+LB/K38g== From: Yu Kuai To: corbet@lwn.net, agk@redhat.co, snitzer@kernel.org, mpatocka@redhat.com, hch@lst.de, song@kernel.org, hare@suse.de Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, yukuai3@huawei.com, yangerkun@huawei.com, yi.zhang@huawei.com, johnny.chenyi@huawei.com, Xiao Ni Subject: [PATCH v4 02/11] md: factor out a helper raid_is_456() Date: Tue, 22 Jul 2025 01:15:48 +0800 Message-ID: <20250721171557.34587-3-yukuai@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250721171557.34587-1-yukuai@kernel.org> References: <20250721171557.34587-1-yukuai@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Yu Kuai There are no functional changes, the helper will be used by llbitmap in following patches. Signed-off-by: Yu Kuai Reviewed-by: Xiao Ni Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/md/md.c | 9 +-------- drivers/md/md.h | 6 ++++++ 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index c4ef23ade9e2..1db7af64184d 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9050,19 +9050,12 @@ static sector_t md_sync_position(struct mddev *mdde= v, enum sync_action action) =20 static bool sync_io_within_limit(struct mddev *mddev) { - int io_sectors; - /* * For raid456, sync IO is stripe(4k) per IO, for other levels, it's * RESYNC_PAGES(64k) per IO. */ - if (mddev->level =3D=3D 4 || mddev->level =3D=3D 5 || mddev->level =3D=3D= 6) - io_sectors =3D 8; - else - io_sectors =3D 128; - return atomic_read(&mddev->recovery_active) < - io_sectors * sync_io_depth(mddev); + (raid_is_456(mddev) ? 8 : 128) * sync_io_depth(mddev); } =20 #define SYNC_MARKS 10 diff --git a/drivers/md/md.h b/drivers/md/md.h index 9e37c6c18722..72bce59376d7 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -1033,6 +1033,12 @@ static inline bool mddev_is_dm(struct mddev *mddev) return !mddev->gendisk; } =20 +static inline bool raid_is_456(struct mddev *mddev) +{ + return mddev->level =3D=3D ID_RAID4 || mddev->level =3D=3D ID_RAID5 || + mddev->level =3D=3D ID_RAID6; +} + static inline void mddev_trace_remap(struct mddev *mddev, struct bio *bio, sector_t sector) { --=20 2.43.0