From patchwork Fri Jun 7 05:59:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13689282 X-Patchwork-Delegate: bmarzins@redhat.com 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 44C3C152182; Fri, 7 Jun 2024 05:59:56 +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=1717739997; cv=none; b=RSu+e8ZkvQG91/B7PlccReaOzwUfEB4liQijB3UOM9cTIjQAUYiayDtOkbKU54R04nE/bc3/LiYHfZdj9XmagJLlkRkWrjueC0FwlUi7QJfzy6DWBqrj2IUMIzmFqMUmyanxw0EYK96AhaGvGZuD4p4SKa+Y5br6HGrocwU+C2A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717739997; c=relaxed/simple; bh=meAcS4Bzo0+2TgQcZdQXS5JHR+32S1eqKOpWAtT7I84=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EjpnQEJg48L6cnrMhDbCNoONlSgFEzfw22kssDCfAVXqjh3ASrnsNBYFgTAfN6quQqshRFV49jYzfpalRIYb2GkGh5DTjrTjCPfUwwszE92xnaV+I0L3LBZ59UuzpwjvpX5sut7YsdojVOMxymS26h0dpTKoBHsI76wTijWMcIw= 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=jG1t7uus; 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="jG1t7uus" 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=EJTuri4ponQChrNj2eAk+TPRiVEUrtH2e5ttPL+QHco=; b=jG1t7uus8Ucyjf9GCyZj27vv6d 01FPAleKjeVJpi2fPEV+bS/hT+BxoQ3D8j6QtsRX8YrDGXE3pYAZtmuWLmQf5zlL+mnXA3Pl9Zpjb mDgH4UVxLvXaJeF/uG34e1rNNT3wf4M0Eh/9FHqVoQTOXgiCTInhrAGQiA/99RiTwkekRpN18e7YM 7skQrbzrsq7lvS624eKSLCBNc+snrXBqrz4rKaC1bcz8tMzUbS9sjiI6T05rGtMPeYDJLc+v5ydwO y8fnBy8m1VUYNo6hBVfcLkblmLoVlFQwVmgA0tB6scSdFddNPWgHoHLAxkmeZKHFYQc3k+AGYuGJb rIANRNXA==; 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 1sFSdk-0000000CaBh-28Rd; Fri, 07 Jun 2024 05:59:53 +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 10/11] block: invert the BLK_INTEGRITY_{GENERATE,VERIFY} flags Date: Fri, 7 Jun 2024 07:59:04 +0200 Message-ID: <20240607055912.3586772-11-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: dm-devel@lists.linux.dev 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 Reviewed-by: Hannes Reinecke --- block/bio-integrity.c | 4 ++-- block/blk-integrity.c | 18 +++++++++--------- include/linux/blk-integrity.h | 4 ++-- 3 files changed, 13 insertions(+), 13 deletions(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index e23acf59c12de3..48ddbc703cd8ff 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -448,10 +448,10 @@ 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 bec0d1df387ce9..b37b8855eed147 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -254,10 +254,11 @@ 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; } @@ -266,7 +267,7 @@ 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->flags & flag)); } static ssize_t format_show(struct device *dev, struct device_attribute *attr, @@ -301,26 +302,26 @@ 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, @@ -371,8 +372,7 @@ void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template struct blk_integrity *bi = &disk->queue->integrity; bi->csum_type = template->csum_type; - bi->flags = BLK_INTEGRITY_VERIFY | BLK_INTEGRITY_GENERATE | - template->flags; + bi->flags = template->flags; 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 56ce1ae355805d..bafa01d4e7f95b 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, };