From patchwork Wed Jun 5 06:28:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13686182 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 24135187BFD; Wed, 5 Jun 2024 06:31:14 +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=1717569076; cv=none; b=ceRDpWZX8xkYv9YMoHYzV8EIdxrHXehpO6HbZgwGB2Bxf5uyVuy9bdHpZW6zLxyVKKjGn+74pz0vbhVII18LvBUkE5v3braXplRNbeB0YW1kFP0kqCR/MGubaQHY5ard2SbT035KM5TqM0UIBy+vBEirfgUBy+4QjioAyQro/dg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717569076; c=relaxed/simple; bh=PZc3Uf6XszHMsA9S+Htr3A8jBEzS2+vDNm3J0D8LoNE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ti3Gxm9HWMsSqKi02kDJBNC8KvqQMovCgFMH0oAUc1uF+3PIBCRh5nbskz/WnxW3fmiOLgHp0GL8PBw6NPzCmuBmllCZCaloBJoLXRAxb0n2+YqR0pZGXtzz76Yb8mUNG1ivKKfCa0N61aFIJYC9s1ZFm5UZsfqLpOz9MqTN4rw= 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=hRgqOcu6; 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="hRgqOcu6" 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=IZmo4GZrh826z/hz5q091wyMSoCSpvNw0ho2xw+v4ts=; b=hRgqOcu6Vek+ljMIrWXVQ7bFmD CL9Bk1Q6LYX6vhXdNfmEvaOn6BGCdPuLvRZqiPBxBp8cfKjt4NLvANQzNy2yj60L+9VeOZ+b6TO+g EUOrl3qT55QOVZQPUumcSI9JNHJ47n8hXxYhynehlNQubwqQRlmzYjwN7Y81AWBJjN1C4qsoxgP7c J5Oy3e31aAr44JEaZHIQFABzWM/FfWyQpiByd5Vvp3zMSdzFIoLJkxfP8Rqg8RcOUHVXc1RLibLrZ LlrwW7/HyDJgVgd1eY9dF9JA7uf9AWs80PfNrkH4TAgJQOuswYWXcg8l01F5LcHB/5JE8cGSau8G4 +OlNlF7g==; Received: from 2a02-8389-2341-5b80-5bcb-678a-c0a8-08fe.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:5bcb:678a:c0a8:8fe] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.97.1 #2 (Red Hat Linux)) id 1sEkAw-00000004mtf-0SD5; Wed, 05 Jun 2024 06:31:10 +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 11/12] block: invert the BLK_INTEGRITY_{GENERATE,VERIFY} flags Date: Wed, 5 Jun 2024 08:28:40 +0200 Message-ID: <20240605063031.3286655-12-hch@lst.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240605063031.3286655-1-hch@lst.de> References: <20240605063031.3286655-1-hch@lst.de> Precedence: bulk X-Mailing-List: linux-block@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 Invert the flags so that user set values will be able to persist revalidating the integrity information once we switch the integrity information to queue_limits. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni --- block/bio-integrity.c | 4 ++-- block/blk-integrity.c | 19 ++++++++++--------- include/linux/blk-integrity.h | 4 ++-- 3 files changed, 14 insertions(+), 13 deletions(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 5966a65edcd10e..3d6f6a63888f2e 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -450,10 +450,10 @@ bool bio_integrity_prep(struct bio *bio) return true; if (bio_data_dir(bio) == READ) { - if (!(bi->flags & BLK_INTEGRITY_VERIFY)) + if (bi->flags & BLK_INTEGRITY_NOVERIFY) return true; } else { - if (!(bi->flags & BLK_INTEGRITY_GENERATE)) + if (bi->flags & BLK_INTEGRITY_NOGENERATE) return true; } diff --git a/block/blk-integrity.c b/block/blk-integrity.c index fbb0bd467eedbf..9a126c8d08f1d8 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -255,10 +255,11 @@ static ssize_t flag_store(struct device *dev, struct device_attribute *attr, if (err) return err; + /* the flags are inverted vs the values in the sysfs files */ if (val) - bi->flags |= flag; - else bi->flags &= ~flag; + else + bi->flags |= flag; return count; } @@ -267,7 +268,9 @@ static ssize_t flag_show(struct device *dev, struct device_attribute *attr, { struct blk_integrity *bi = dev_to_bi(dev); - return sysfs_emit(page, "%d\n", !!(bi->flags & flag)); + return sysfs_emit(page, "%d\n", + (bi->csum_type != BLK_INTEGRITY_CSUM_NONE && + !(bi->flags & flag))); } static ssize_t format_show(struct device *dev, struct device_attribute *attr, @@ -302,26 +305,26 @@ static ssize_t read_verify_store(struct device *dev, struct device_attribute *attr, const char *page, size_t count) { - return flag_store(dev, attr, page, count, BLK_INTEGRITY_VERIFY); + return flag_store(dev, attr, page, count, BLK_INTEGRITY_NOVERIFY); } static ssize_t read_verify_show(struct device *dev, struct device_attribute *attr, char *page) { - return flag_show(dev, attr, page, BLK_INTEGRITY_VERIFY); + return flag_show(dev, attr, page, BLK_INTEGRITY_NOVERIFY); } static ssize_t write_generate_store(struct device *dev, struct device_attribute *attr, const char *page, size_t count) { - return flag_store(dev, attr, page, count, BLK_INTEGRITY_GENERATE); + return flag_store(dev, attr, page, count, BLK_INTEGRITY_NOGENERATE); } static ssize_t write_generate_show(struct device *dev, struct device_attribute *attr, char *page) { - return flag_show(dev, attr, page, BLK_INTEGRITY_GENERATE); + return flag_show(dev, attr, page, BLK_INTEGRITY_NOGENERATE); } static ssize_t device_is_integrity_capable_show(struct device *dev, @@ -373,8 +376,6 @@ void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template bi->csum_type = template->csum_type; bi->flags = template->flags; - if (bi->csum_type != BLK_INTEGRITY_CSUM_NONE) - bi->flags |= BLK_INTEGRITY_VERIFY | BLK_INTEGRITY_GENERATE; bi->interval_exp = template->interval_exp ? : ilog2(queue_logical_block_size(disk->queue)); bi->tuple_size = template->tuple_size; diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h index dea0fdebc3bdc7..a4bf2c78776c06 100644 --- a/include/linux/blk-integrity.h +++ b/include/linux/blk-integrity.h @@ -7,8 +7,8 @@ struct request; enum blk_integrity_flags { - BLK_INTEGRITY_VERIFY = 1 << 0, - BLK_INTEGRITY_GENERATE = 1 << 1, + BLK_INTEGRITY_NOVERIFY = 1 << 0, + BLK_INTEGRITY_NOGENERATE = 1 << 1, BLK_INTEGRITY_DEVICE_CAPABLE = 1 << 2, BLK_INTEGRITY_REF_TAG = 1 << 3, };