From patchwork Thu Jun 13 08:48:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 804055 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 52C3213777D; Thu, 13 Jun 2024 08:49:13 +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=1718268554; cv=none; b=PjBCGw++OY/Jbx9R8i7eizDh7sfOk1esXSHm5qJbs2Xzj0latF77vKgVUHMk7ID+3618Lu9eNkQV/GWcYbPRkC/uPlt+wFwswrg0sBlx6tY76boPXWUSR8F833nGa6PzPcPSkZUy+9kDlItfS2SMt9nhSIQtbDfye/ta97wQ3hQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718268554; c=relaxed/simple; bh=3exPUCi+/EMwTyBUUWevL8vomgI5Z1iHcLCKhyuuNXI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qiP4sXMMKZWOA/GMoJe5JuS+tAyjAf3wUcL+n1pJtVuFea7ziF5/2vlvbxeqkIyCR+tI2NsivYlT95R4OwAzhIZ9qLyJdAAOrxKg2Ms3MPT3JrftslAWIOrkvossFt48V5M87iQEJ+s6DlAbWnuqbSs2C4DjHcsp8/BH2oZGIWU= 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=tiIrbk7o; 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="tiIrbk7o" 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=8PfoG5qTEAstoOabcoSjpYBwXPNcAMnJBPyc+pbMqJU=; b=tiIrbk7oHxoSl6ZApNv8fQocn1 aJ0mHijmRlh0jvrQiGPLpcrk8fNDNpjNDX1D6t4OxV6oCEqLb8X02hxEc/RMniCzLoJb4xDfKPPER FmSr7ZhQXDcwPrGmJsMS2cq7YyIOp2i1ccIVjwARo8VX7aMtYnIRYj/ivMzvw5m65XmFXSUJgagcP JjOLPbtNeJ8bgyV6ctSyz7rbTbEdUbLhTpd8BjW8Zqw7pjUW3ugc9ep1weAsooLyi1H1zWYMHIXCI 5T9FmOaeuJq1K5pgWxv+wkCP97zvBVOwl9EyllXwm6oXILU58sViC75XMCLv04tPuUZFjPrheO9Ob GUvKg1Cw==; Received: from 2a02-8389-2341-5b80-034b-6bc2-b258-c831.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:34b:6bc2:b258:c831] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHg8p-0000000FnG1-2lkQ; Thu, 13 Jun 2024 08:49:08 +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, Hannes Reinecke Subject: [PATCH 09/12] block: don't require stable pages for non-PI metadata Date: Thu, 13 Jun 2024 10:48:19 +0200 Message-ID: <20240613084839.1044015-10-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240613084839.1044015-1-hch@lst.de> References: <20240613084839.1044015-1-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: Martin K. Petersen Reviewed-by: Hannes Reinecke --- 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);