From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEE02C56202 for ; Fri, 6 Nov 2020 19:05:53 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 59F0E21D81 for ; Fri, 6 Nov 2020 19:05:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="3ehLULc/"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tVd8geFS" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 59F0E21D81 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6vYPpSRGxE7E/1HRzaubVmyOq4KrhmU+GDJJYoVkyao=; b=3ehLULc/UiOG9OGO/uzADNjKP 17z/2guQioaa5rq0nVHiwDB7jfymi2lt7ltkrTZCpoIiiu5asRQN1vB3OY0tOgGijAW6nKa3c0ceo q9noSF9yeAigcfOFMlqQwfCjwdOo8mvSfMvJaBFonap9uiyYcLb4GbN33A8lEuawDBcwW4M1lK0tx M3iZWgGpaj0WIVFj8I4ynBgngEn5PrlwThUVI1rFfXZBH/sr7CiRr0C2UbR18y9G+5KW15QkeOB/g 9iHQOe6txeSFaqqbHRJyr0J0U3ae8KAp6xDbfAJtXE0f1EInMxUnoTOLYao9FXgiUgfOTLB/Eluyk paXY+uOhw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kb73S-00020k-H6; Fri, 06 Nov 2020 19:05:46 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kb72B-0001IS-Q5 for linux-nvme@merlin.infradead.org; Fri, 06 Nov 2020 19:04:27 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=4bS/eZqoJAQR/DSs9IGqi2g9LCY9L0WWDnWefDh2k5M=; b=tVd8geFSv+/a4ICZqJ4miUgAZr bSnQVkuUj9Q1sOtmlqt7w1/fnbDPR0IyuD7NylvEPospNvxVXib/Q1nUDuQNSaWDRFbsRXA9dbw6O R/GqSzwPpwI2zGGmixd50oCio/LgvmNAgH3JNK5kktQ8eJb8dFVZtMV8LOVf1+XaUk33UAT4qwsbd gO37JazEvqPXopiAzJkFz2g/BDk5ZGRZJMue7aCghVAZN1rAh3Kp+t7apQN+sU6hGH5YlyzTNFcs+ V0tQaIvP9jr1OAo1S5SMYXLTVLk25tGMl0HLivTuYcN5VAr0bXyzDQ4D/TX6qd2S5zUuUJoLnnNDa VVQ+Kqmw==; Received: from [2001:4bb8:184:9a8d:9e34:f7f4:e59e:ad6f] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kb729-00013h-89; Fri, 06 Nov 2020 19:04:25 +0000 From: Christoph Hellwig To: Jens Axboe Subject: [PATCH 19/24] zram: use set_capacity_and_notify Date: Fri, 6 Nov 2020 20:03:31 +0100 Message-Id: <20201106190337.1973127-20-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201106190337.1973127-1-hch@lst.de> References: <20201106190337.1973127-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Justin Sanders , Mike Snitzer , "Michael S. Tsirkin" , Jason Wang , linux-nvme@lists.infradead.org, Song Liu , dm-devel@redhat.com, drbd-dev@lists.linbit.com, linux-scsi@vger.kernel.org, xen-devel@lists.xenproject.org, Ilya Dryomov , Jack Wang , Konrad Rzeszutek Wilk , Josef Bacik , nbd@other.debian.org, linux-raid@vger.kernel.org, Stefan Hajnoczi , ceph-devel@vger.kernel.org, linux-block@vger.kernel.org, "Martin K. Petersen" , Minchan Kim , linux-fsdevel@vger.kernel.org, Paolo Bonzini , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Use set_capacity_and_notify to set the size of both the disk and block device. This also gets the uevent notifications for the resize for free. Signed-off-by: Christoph Hellwig --- drivers/block/zram/zram_drv.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 1b697208d66157..6d15d51cee2b7e 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -1695,7 +1695,7 @@ static void zram_reset_device(struct zram *zram) disksize = zram->disksize; zram->disksize = 0; - set_capacity(zram->disk, 0); + set_capacity_and_notify(zram->disk, 0); part_stat_set_all(&zram->disk->part0, 0); up_write(&zram->init_lock); @@ -1741,9 +1741,7 @@ static ssize_t disksize_store(struct device *dev, zram->comp = comp; zram->disksize = disksize; - set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT); - - revalidate_disk_size(zram->disk, true); + set_capacity_and_notify(zram->disk, zram->disksize >> SECTOR_SHIFT); up_write(&zram->init_lock); return len; @@ -1790,7 +1788,6 @@ static ssize_t reset_store(struct device *dev, /* Make sure all the pending I/O are finished */ fsync_bdev(bdev); zram_reset_device(zram); - revalidate_disk_size(zram->disk, true); bdput(bdev); mutex_lock(&bdev->bd_mutex); -- 2.28.0 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme