From patchwork Thu Jun 13 08:48:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13696383 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 90F611428F2; Thu, 13 Jun 2024 08:49:07 +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=1718268548; cv=none; b=dz8y3+dFXfiD1sFxwyklY5mqO6wWZ4489M4bj4RplbTrCye7zQzNhiQVBBUswlRNkHcPv+dxDtBjoq61hE1PQgoP/1CsjLRQeD/+kTOk6sHo04hwhSgXEwZqf3hvSwG11rRGyV/+ctuARkhHiUiCJ5623+uLeLPorT2cbARwCtU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718268548; c=relaxed/simple; bh=BlQKMerwA89F/RkwnTZ6g2HUBDiUK7Q7iJvZm7kDq3o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KiaaLOG8AnqKWxafhwUtL4aYLX41MC87izqs/a0yhIWZajRx9giy4TzSPplEEu2iRfBTJ2Q7zfGg5PIeJQD6JkbegS2kn2KHt9MooLnkpaQ73782u1fXx+6PivND+ZampHjWeVkI+jSKzvrEivdyTiXwVLCcfElzr7PZpzkCP74= 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=WfOVLHNE; 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="WfOVLHNE" 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=MkqWB307uYilO32w43UhOiqouC5dD/MHs5vGR6/rVlA=; b=WfOVLHNEY/NCiJE2oBgYCPd3tg OOMdttEU9jkmGntkWzb//pPfwDlK4TeqAacAW6AUgWoXEh4eN3PUxb1mcMIdRfaqHL8p0ZXFkgLUw CvoZ76+SbGEhavfS7uhoAQnplOZ93pxq4L7wIqYYc1S3YSmeA7RM2vkd+EB1BLrYDgtc1ucaI2tKO oWM+RV3avUPY3R66wWIeKsJIiutWYXvt0VfCMllTU1WA6z976fpll14oA5ztTgow9e6AH+F+QB4bn IZ+rAEOgxfWPEinmoNaHzjZTSHHHdxxcNPjL0AbC9pF8vTVAXdhFJSH7CqHNpA51Yyd4K+6zKGqnB ggUcvwSA==; 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 1sHg8k-0000000FnBe-1BuJ; Thu, 13 Jun 2024 08:49:02 +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 07/12] block: factor out flag_{store,show} helper for integrity Date: Thu, 13 Jun 2024 10:48:17 +0200 Message-ID: <20240613084839.1044015-8-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: 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 Factor the duplicate code for the generate and verify attributes into common helpers. Signed-off-by: Christoph Hellwig Reviewed-by: Keith Busch Reviewed-by: Chaitanya Kulkarni Reviewed-by: Martin K. Petersen Reviewed-by: Hannes Reinecke --- block/blk-integrity.c | 53 +++++++++++++++++++++---------------------- 1 file changed, 26 insertions(+), 27 deletions(-) diff --git a/block/blk-integrity.c b/block/blk-integrity.c index 24f04575096d39..24671d9f90a124 100644 --- a/block/blk-integrity.c +++ b/block/blk-integrity.c @@ -243,6 +243,28 @@ const char *blk_integrity_profile_name(struct blk_integrity *bi) } EXPORT_SYMBOL_GPL(blk_integrity_profile_name); +static ssize_t flag_store(struct device *dev, struct device_attribute *attr, + const char *page, size_t count, unsigned char flag) +{ + struct blk_integrity *bi = dev_to_bi(dev); + char *p = (char *) page; + unsigned long val = simple_strtoul(p, &p, 10); + + if (val) + bi->flags |= flag; + else + bi->flags &= ~flag; + return count; +} + +static ssize_t flag_show(struct device *dev, struct device_attribute *attr, + char *page, unsigned char flag) +{ + struct blk_integrity *bi = dev_to_bi(dev); + + return sysfs_emit(page, "%d\n", !!(bi->flags & flag)); +} + static ssize_t format_show(struct device *dev, struct device_attribute *attr, char *page) { @@ -275,49 +297,26 @@ static ssize_t read_verify_store(struct device *dev, struct device_attribute *attr, const char *page, size_t count) { - struct blk_integrity *bi = dev_to_bi(dev); - char *p = (char *) page; - unsigned long val = simple_strtoul(p, &p, 10); - - if (val) - bi->flags |= BLK_INTEGRITY_VERIFY; - else - bi->flags &= ~BLK_INTEGRITY_VERIFY; - - return count; + return flag_store(dev, attr, page, count, BLK_INTEGRITY_VERIFY); } static ssize_t read_verify_show(struct device *dev, struct device_attribute *attr, char *page) { - struct blk_integrity *bi = dev_to_bi(dev); - - return sysfs_emit(page, "%d\n", !!(bi->flags & BLK_INTEGRITY_VERIFY)); + return flag_show(dev, attr, page, BLK_INTEGRITY_VERIFY); } static ssize_t write_generate_store(struct device *dev, struct device_attribute *attr, const char *page, size_t count) { - struct blk_integrity *bi = dev_to_bi(dev); - - char *p = (char *) page; - unsigned long val = simple_strtoul(p, &p, 10); - - if (val) - bi->flags |= BLK_INTEGRITY_GENERATE; - else - bi->flags &= ~BLK_INTEGRITY_GENERATE; - - return count; + return flag_store(dev, attr, page, count, BLK_INTEGRITY_GENERATE); } static ssize_t write_generate_show(struct device *dev, struct device_attribute *attr, char *page) { - struct blk_integrity *bi = dev_to_bi(dev); - - return sysfs_emit(page, "%d\n", !!(bi->flags & BLK_INTEGRITY_GENERATE)); + return flag_show(dev, attr, page, BLK_INTEGRITY_GENERATE); } static ssize_t device_is_integrity_capable_show(struct device *dev,