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 3850DC2D0A3 for ; Fri, 6 Nov 2020 19:04:04 +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 8997020882 for ; Fri, 6 Nov 2020 19:04:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="LQ2FzWt/"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="N/BTEsal" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8997020882 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=AHA3eJKzo/aVWwl8cpX0lgEm3fRfL32EhEW42JyuXO4=; b=LQ2FzWt/Ye39ibpIOQ17INF0f fl4H8+s2sVmX4hB1sEx9UNLxSRKExKZByMwh9zuIlNvqYCQtuGD/G0c9ndFt6TE79ZDXOlzCyBvwI oTRxkdPUU4Guj2iS31TM7i3ifSpBQvD40kv6XsK0SNzZ51pvuPU+RHutZ8uyEAmoKjvBsYPyXqa+y n43hZ4nkFVcXGtztBK2bvJiYmlT8DaNMyoFzL64qnJI8hSkJfBunDUCDpwxaOdq7aKtvyuY56dTeW j2TqizDtyDLFcvZHMLEQobdbdlAL9eq5gq54t6+X3TmcLVE64/mHWk0Njcy0nqhCTO/cW/xEuhFUe 1Eor8FV0g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kb71l-00013g-C4; Fri, 06 Nov 2020 19:04:01 +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 1kb71h-00012G-FV for linux-nvme@merlin.infradead.org; Fri, 06 Nov 2020 19:03:57 +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=z4FJvyEBdJUNH2ICfgDhXYhI93Iugb+FUQTixBMdEJs=; b=N/BTEsalf53sWMF1NynFhjnBWQ uMEzJhDiUhbdgTn6HR32ujb4p0zRiPS+sOoVdEnyZv+Dij8IJUweK1eMVi2RBr1hXUSEwwavtHExg sNr9j1HAVcinwU0zvVZ9QarhyRI4g+YDE9woukNnt8R+toHJE6Yyj0N6xE2RsmnTfWYuqVKiRBcdc C+RJ0pjKXC9y7PJrEmbrlFyzinEMuLJP5ArJM2hoiLEKHH5IAxDcyRZUkdM+9P4+gn1Pn36IKFZYO AdL3p37VKRLnvBgnAkwYvUIBdzrmEngx2OqoC8PTe/8DN9HA5diR/JaO+uxOByGNXLNxU91/DaxUA FUf64JDg==; 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 1kb71f-0000uK-9c; Fri, 06 Nov 2020 19:03:56 +0000 From: Christoph Hellwig To: Jens Axboe Subject: [PATCH 04/24] sd: update the bdev size in sd_revalidate_disk Date: Fri, 6 Nov 2020 20:03:16 +0100 Message-Id: <20201106190337.1973127-5-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 This avoids the extra call to revalidate_disk_size in sd_rescan and is otherwise a no-op because the size did not change, or we are in the probe path. Signed-off-by: Christoph Hellwig --- drivers/scsi/sd.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 656bcf4940d6d1..4a34dd5b153196 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1750,10 +1750,8 @@ static int sd_sync_cache(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr) static void sd_rescan(struct device *dev) { struct scsi_disk *sdkp = dev_get_drvdata(dev); - int ret; - ret = sd_revalidate_disk(sdkp->disk); - revalidate_disk_size(sdkp->disk, ret == 0); + sd_revalidate_disk(sdkp->disk); } static int sd_ioctl(struct block_device *bdev, fmode_t mode, @@ -3266,7 +3264,7 @@ static int sd_revalidate_disk(struct gendisk *disk) sdkp->first_scan = 0; set_capacity_revalidate_and_notify(disk, - logical_to_sectors(sdp, sdkp->capacity), false); + logical_to_sectors(sdp, sdkp->capacity), true); sd_config_write_same(sdkp); kfree(buffer); @@ -3276,7 +3274,7 @@ static int sd_revalidate_disk(struct gendisk *disk) * capacity to 0. */ if (sd_zbc_revalidate_zones(sdkp)) - set_capacity_revalidate_and_notify(disk, 0, false); + set_capacity_revalidate_and_notify(disk, 0, true); out: return 0; -- 2.28.0 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme