From patchwork Fri Jun 7 05:59:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13689325 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 8629E154C11; Fri, 7 Jun 2024 05:59:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717739990; cv=none; b=FJw9PW4/FsDvdfpeEoY4ihNoWEHr1Wtku1uicpHDLTRp/HUFYh6SJpD5rK+sYKdeN3lB90JeyXle34SagUZJ5j4y373OrbwZjDudhBW7p3BSV7VhaSRjzbUta0j7venTjGGrazG1u973PzzCP/KXTSANjkTEADU/NAMNq0P2Zx8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717739990; c=relaxed/simple; bh=hp3eNeUMh1pxS6BAROfgO9ro9BBWiz2V1CSKooAGAGI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=n8iyhR/rJdXPGDwbKWDb8m7etC8pHb2Xg6PELHEX/y+e8Y2xoPAXRlw7WjvgD851IHLyvzBa6yjqHmZ49YOzhtSG4ufLqVjeMjXTGcqnKQmcjvMzgTLy3H8mLwIxXoDaLY3TQZoUAMsFa//pAdCJxDjE59bloM2UGVvsP97O/iM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=ZOkZhSpD; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ZOkZhSpD" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=S8SjXhZLDr/pH8RKp+nLJLU/M7LgpF4OFUEbQtiC2qo=; b=ZOkZhSpD/EsllME0C8HznqVHeX ZsbBr6Rd8fdEQiOpFa3qA/8FXKJORZa7B0ygTOmuG+CHonjE1nZw5t4/DmgZTiiUKqhfEbogifsoB jP1/YxdLSaubO+2gT5Iav5OR05x2SUcbIpirfkyB2Mj3zlnrSc1OPBYEECTzIuMTH4NnKftwdfl4Z 6YKcoK0PasW/0NtUO3RnMXFxASRUkaQffsO87y4jpUmfa8i1974hynjMUdYTc71txse9cQrNJA4Jy So3EROEgzj7iQH17Vo25X1Q75VMA/UvyrGERMPf6f4Gd1xtUBgjFB0jRPCjcl0M+aEjC92MdJfTdv ISwTiZPw==; Received: from [2001:4bb8:2dd:aa7c:2c19:fa33:48d4:a32f] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sFSdd-0000000Ca79-1UUO; Fri, 07 Jun 2024 05:59:46 +0000 From: Christoph Hellwig To: Jens Axboe , "Martin K. Petersen" Cc: Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai , Dan Williams , Vishal Verma , Dave Jiang , Ira Weiny , Keith Busch , Sagi Grimberg , Chaitanya Kulkarni , linux-block@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org Subject: [PATCH 08/11] block: don't require stable pages for non-PI metadata Date: Fri, 7 Jun 2024 07:59:02 +0200 Message-ID: <20240607055912.3586772-9-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240607055912.3586772-1-hch@lst.de> References: <20240607055912.3586772-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Non-PI metadata doesn't contain checksums and thus doesn't require stable pages. Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Reviewed-by: Martin K. Petersen --- block/blk-integrity.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 58760a6d6b2209..1d2d371cd632d3 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -379,7 +379,8 @@ void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template bi->tag_size = template->tag_size; bi->pi_offset = template->pi_offset; - blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, disk->queue); + if (bi->csum_type != BLK_INTEGRITY_CSUM_NONE) + blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, disk->queue); #ifdef CONFIG_BLK_INLINE_ENCRYPTION if (disk->queue->crypto_profile) { @@ -404,7 +405,8 @@ void blk_integrity_unregister(struct gendisk *disk) if (!bi->tuple_size) return; - blk_queue_flag_clear(QUEUE_FLAG_STABLE_WRITES, disk->queue); + if (bi->csum_type != BLK_INTEGRITY_CSUM_NONE) + blk_queue_flag_clear(QUEUE_FLAG_STABLE_WRITES, disk->queue); memset(bi, 0, sizeof(*bi)); } EXPORT_SYMBOL(blk_integrity_unregister);