From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8E7BF38AC75; Wed, 24 Jun 2026 06:42:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782283368; cv=none; b=EL6x1UMB+7srrKbvgootlfaH0sIaEQsfKT6x5TsIgbpJ01+BPaDN8YXX2ilXC2A2Ase26hmAYMCWGo+HpkEkqVh143s9U9vU89PR2jm0A/OhtSlqMNmwGspMUoyQwTjFw/cFp2EKvCA8+YdTqEfUcPZi8Aa8OZnhxxGz3NlxynE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782283368; c=relaxed/simple; bh=ej1zq0GGvXd56XB9ngqTAAuTKhigTcRPZMrir/hK7GU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DmQfuA+kFeJxYn5xl6x6CSL1dhHeI0ap+giBMD4Ya1V6FgkEcoXCOkuSVj9fkSH9RwsR5GhscXfDPY0WFKdrJeEgtlC16ZGvFHyfifMxo5/hogpJ6v1adfEigHfIpMt23dybJ7axPlQmbowmDamHqnBuqASe4Hjk19nj7lDJb4U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a990Vwy3; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="a990Vwy3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 978541F00A3A; Wed, 24 Jun 2026 06:42:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782283363; bh=Z7B0Fn/TqgguIdxE91QnM6TajeZHR72v+6vJJ0hIUZM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=a990Vwy3IfCWt7UGJ4gdxRegxhXkphVW3PvsoGi9nMIyJAKMioCOAiBJUQGxUi67H cgvdi3ET3HH3EAeOOLGMvv1tySKLgmHz2Vch2O3nnjT1Uc3Y8kITwb7SJxSEt47Fix FjZ7adCrLRDUllfUUzfdLb+OSwsnoLzHGe+iPPszh0EDRbfyFWPhdMU9NwnQjxX+n4 O+HeDR4OfpoVUrtdFLBiOzn5rKJDuJZIjG76CT+yOzmdzQXhg+jGnpZIH3gJEkXRmp EjW/VsNlUJ2DvL+7DcgwxZ4Xetx+TiGNpl1ZxeCes6KquzgkiZEzid9EbXi3iNlZzT lZj85fANDc05w== From: Yu Kuai To: Song Liu , Yu Kuai Cc: Li Nan , Xiao Ni , Su Yue , linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 08/20] md/md-llbitmap: finish reshape geometry Date: Wed, 24 Jun 2026 14:42:05 +0800 Message-ID: <73a8a0409b741c57bbc9927abc7a9981cbafbf27.1782282042.git.yukuai@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: References: <20260605091527.2463539-1-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: 8bit From: Yu Kuai Commit the staged llbitmap geometry when reshape finishes. The reshape staging itself is handled through llbitmap_resize(), so only the finish step remains in this patch. Signed-off-by: Yu Kuai --- drivers/md/md-llbitmap.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/md/md-llbitmap.c b/drivers/md/md-llbitmap.c index cdced2126e97..ae2e87fd5887 100644 --- a/drivers/md/md-llbitmap.c +++ b/drivers/md/md-llbitmap.c @@ -1680,6 +1680,30 @@ static void llbitmap_dirty_bits(struct mddev *mddev, unsigned long s, llbitmap_state_machine(mddev->bitmap, s, e, BitmapActionStartwrite); } +static void llbitmap_reshape_finish(struct mddev *mddev) +{ + struct llbitmap *llbitmap = mddev->bitmap; + + if (mddev->pers->quiesce) + mddev->pers->quiesce(mddev, 1); + + mutex_lock(&mddev->bitmap_info.mutex); + llbitmap_flush(mddev); + + llbitmap->chunksize = llbitmap->reshape_chunksize; + llbitmap->chunkshift = ffz(~llbitmap->chunksize); + llbitmap->chunks = llbitmap->reshape_chunks; + llbitmap->sync_size = llbitmap->reshape_sync_size; + llbitmap_refresh_reshape(llbitmap); + mddev->bitmap_info.chunksize = llbitmap->chunksize; + llbitmap_update_sb(llbitmap); + __llbitmap_flush(mddev); + mutex_unlock(&mddev->bitmap_info.mutex); + + if (mddev->pers->quiesce) + mddev->pers->quiesce(mddev, 0); +} + static void llbitmap_write_sb(struct llbitmap *llbitmap) { int nr_blocks = DIV_ROUND_UP(BITMAP_DATA_OFFSET, llbitmap->io_size); @@ -1977,6 +2001,7 @@ static struct bitmap_operations llbitmap_ops = { .get_stats = llbitmap_get_stats, .dirty_bits = llbitmap_dirty_bits, .prepare_range = llbitmap_prepare_range, + .reshape_finish = llbitmap_reshape_finish, .write_all = llbitmap_write_all, .groups = md_llbitmap_groups, -- 2.51.0