From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) (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 72FAB25A2AF; Mon, 12 May 2025 08:49:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747039756; cv=none; b=OnjrlEmgDfgk4dEfVJWGHuYmLZS07S/AZxxRZvwHR6s9aMBUNbzZlDGXSBZB12tQELwBZVbMxxeLTmYC8HVPWcCsTY/KVPBCxTea/3OtJZM5HyIesn2FSWZ/TzJkIBSgWTstRYPhKMdL0bGxnMWXrX8Ypvu8iGbQZTWaNMb60hM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747039756; c=relaxed/simple; bh=26YxyMmSrBXH6G7ipWMqOxTjuBdjOFiSopaSNVAe0Cg=; h=Subject:To:Cc:References:From:Message-ID:Date:MIME-Version: In-Reply-To:Content-Type; b=rzcwD3uP/cGKFRgJY1F8s2TNzOptvvl8eVyCPA/fPQFQ6tM9lo/CgN8q1EwEWkDjmA6vzPD2XvHYa3ZUwYkvlEc7CvW0NkSq1DR9huSz0Me3uzgrYPFVjtZkyneAYAku91pU3oS13dypNqZygVvTFS+fEBvhNbEYKhcpkdXzjFo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.216]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4Zwt886BMzz4f3jXh; Mon, 12 May 2025 16:30:00 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 871DC1A166F; Mon, 12 May 2025 16:30:25 +0800 (CST) Received: from [10.174.179.143] (unknown [10.174.179.143]) by APP4 (Coremail) with SMTP id gCh0CgDHKl+gsSFoJKOzMA--.58196S3; Mon, 12 May 2025 16:30:25 +0800 (CST) Subject: Re: [PATCH RFC md-6.16 v3 19/19] md/md-llbitmap: add Kconfig To: Christoph Hellwig , Yu Kuai Cc: xni@redhat.com, colyli@kernel.org, agk@redhat.com, snitzer@kernel.org, mpatocka@redhat.com, song@kernel.org, linux-kernel@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, johnny.chenyi@huawei.com, "yukuai (C)" References: <20250512011927.2809400-1-yukuai1@huaweicloud.com> <20250512011927.2809400-20-yukuai1@huaweicloud.com> <20250512051910.GC1667@lst.de> From: Yu Kuai Message-ID: Date: Mon, 12 May 2025 16:30:24 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20250512051910.GC1667@lst.de> Content-Type: text/plain; charset=gbk; format=flowed Content-Transfer-Encoding: 8bit X-CM-TRANSID:gCh0CgDHKl+gsSFoJKOzMA--.58196S3 X-Coremail-Antispam: 1UD129KBjvdXoW7Wry5Wr1Duw4UCrWfWFW7urg_yoWDAFX_Ww 45Z34IkryDCr1DtF4agF13ZrWDtayDWas7Ar4SqFySqry3AasrGrWvvry5Jw4kJayUAa98 Zr95XF4rurnIgjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbfAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr1j 6rxdM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1Y6r17McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IY64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY 04v7Mxk0xIA0c2IEe2xFo4CEbIxvr21lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64 vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8G jcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2I x0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK 8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6xkF7I 0E14v26r4UJVWxJrUvcSsGvfC2KfnxnUUI43ZEXa7VUbzpBDUUUUU== X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ Hi, ÔÚ 2025/05/12 13:19, Christoph Hellwig дµÀ: > On Mon, May 12, 2025 at 09:19:27AM +0800, Yu Kuai wrote: >> +config MD_LLBITMAP >> + bool "MD RAID lockless bitmap support" >> + default n > > n is the default default. > >> diff --git a/drivers/md/md-bitmap.h b/drivers/md/md-bitmap.h >> index 4e27f5f793b7..dd23b6fedb70 100644 >> --- a/drivers/md/md-bitmap.h >> +++ b/drivers/md/md-bitmap.h >> @@ -22,6 +22,9 @@ typedef __u16 bitmap_counter_t; >> enum bitmap_state { >> BITMAP_STALE = 1, /* the bitmap file is out of date or had -EIO */ >> BITMAP_WRITE_ERROR = 2, /* A write error has occurred */ >> + BITMAP_FIRST_USE = 3, /* llbitmap is just created */ >> + BITMAP_CLEAN = 4, /* llbitmap is created with assume_clean */ >> + BITMAP_DAEMON_BUSY = 5, /* llbitmap daemon is not finished after daemon_sleep */ > > This should go into patches very early in the series, before the code > referencing them. Ok, I'll fold them with the new patch to move some values to md-bitmap.h in the next version. Thanks, Kuai > > . >