From patchwork Thu Jun 8 11:02:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 13272112 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E35DEC7EE29 for ; Thu, 8 Jun 2023 11:06:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236130AbjFHLGr (ORCPT ); Thu, 8 Jun 2023 07:06:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236304AbjFHLGD (ORCPT ); Thu, 8 Jun 2023 07:06:03 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8D6C3A82; Thu, 8 Jun 2023 04:04:34 -0700 (PDT) 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=vY4TzS76/rJ2xce2OD2MlrdJfdqE96jSdZdHV2ROwoI=; b=qtZc66QRnp6ItyMHZhuUGe4A72 oyK4P17k4i9Jb1HIO4XtasJgiPIm6p6crRVvWHHR0j0/9GEb6CBkbLV9MTbVP6DdY2Mfm98SLeTnT 9mLNMtLmQhKjNylaC1PAef4Q7FzQ0pBzRblaH4gZF769uixkLEtT9ztqGg04mcOqgLBwawZL50W7T kHxO4V5h7JuAnuMXQ0G/NZW9PIiYBaQWnXrk81+Xg/nignplbrRscS+3zydxIt3mk4CjPW8jF4lFD nbbYeIBITvF/v2l/ARUaUnGbAWR0CzX5NkYxlkYPZdMZ/gNvUDFfOcfgqIodGUOmv+5VAAilMRx5f DB4z1kzA==; Received: from 2a02-8389-2341-5b80-39d3-4735-9a3c-88d8.cable.dynamic.v6.surfer.at ([2a02:8389:2341:5b80:39d3:4735:9a3c:88d8] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q7DR0-0092dV-19; Thu, 08 Jun 2023 11:04:06 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Richard Weinberger , Josef Bacik , "Md. Haris Iqbal" , Jack Wang , Phillip Potter , Coly Li , Miquel Raynal , Vignesh Raghavendra , "Martin K. Petersen" , Chris Mason , David Sterba , Alexander Viro , Christian Brauner , "Rafael J. Wysocki" , Pavel Machek , dm-devel@redhat.com, linux-block@vger.kernel.org, linux-um@lists.infradead.org, linux-scsi@vger.kernel.org, linux-bcache@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-btrfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-pm@vger.kernel.org, Hannes Reinecke Subject: [PATCH 22/30] mtd: block: use a simple bool to track open for write Date: Thu, 8 Jun 2023 13:02:50 +0200 Message-Id: <20230608110258.189493-23-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230608110258.189493-1-hch@lst.de> References: <20230608110258.189493-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Instead of propagating the fmode_t, just use a bool to track if a mtd block device was opened for writing. Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Acked-by: Christian Brauner Acked-by: Richard Weinberger --- drivers/mtd/mtd_blkdevs.c | 2 +- drivers/mtd/mtdblock.c | 2 +- include/linux/mtd/blktrans.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index f0bb09fde95e3a..bd0b7545364349 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -208,7 +208,7 @@ static int blktrans_open(struct gendisk *disk, fmode_t mode) ret = __get_mtd_device(dev->mtd); if (ret) goto error_release; - dev->file_mode = mode; + dev->writable = mode & FMODE_WRITE; unlock: dev->open++; diff --git a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c index a0a1194dc1d902..fa476fb4dffb6c 100644 --- a/drivers/mtd/mtdblock.c +++ b/drivers/mtd/mtdblock.c @@ -294,7 +294,7 @@ static void mtdblock_release(struct mtd_blktrans_dev *mbd) * It was the last usage. Free the cache, but only sync if * opened for writing. */ - if (mbd->file_mode & FMODE_WRITE) + if (mbd->writable) mtd_sync(mbd->mtd); vfree(mtdblk->cache_data); } diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h index 15cc9b95e32b52..6e471436bba556 100644 --- a/include/linux/mtd/blktrans.h +++ b/include/linux/mtd/blktrans.h @@ -34,7 +34,7 @@ struct mtd_blktrans_dev { struct blk_mq_tag_set *tag_set; spinlock_t queue_lock; void *priv; - fmode_t file_mode; + bool writable; }; struct mtd_blktrans_ops {