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 387BEC55178 for ; Fri, 6 Nov 2020 19:04:10 +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 B6380208C7 for ; Fri, 6 Nov 2020 19:04:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hx8lJpPy"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="tH8UdTWn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B6380208C7 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=QkuDkMkAkM779am3ewTHscoApaMfKKa33SmL8EkxgeI=; b=hx8lJpPypm85L61Py2VKaejSY bnInL7iO5byqFDbsf+NDybCf2vxMHoRXr/HdFwKmmUzL/BMsMT2JOE9BLoxwlgzgsRD4QwZGbDWEW D8Ck7I6tTfioJr6sHIAAZiLpjkd3N7a1TGzsdJbLiZ8hHCI6uasl1IK6BcV8ShPZQ0EvMMXmdcsKi kZq+uKF9KXkVqMlUi6QJwgGRO07EXDzIcyHp7/6AllUM/Q+JLmFlSkqdQvLe/CsRQMmTBxHJpx0VW 3jQC08jQJt3osKxghcX5KGVmhLg6N4dHv1dF/wdbbGjK7EG6WMVC2panwbFK9lVZN0kybMzpdSwkp PI2AubqMg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kb71r-00016T-56; Fri, 06 Nov 2020 19:04:07 +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 1kb71l-00013c-IE for linux-nvme@merlin.infradead.org; Fri, 06 Nov 2020 19:04:01 +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=msAxRVgou3+s48HjnTxbv/pHmvKh+OTllxGOwTa9PDs=; b=tH8UdTWnkIuPETR5ERZJsxXqO9 RuvncvGLMp3eecYVL5xbljvoepHQIy9LJuMEB0q+0oEeVpE399lmWu6TR7di2UcX2jvpnbzMAgO+T lVDmVMLdl2vdcru/zg5P/TlhhczznEvHfAs7dYsm2yxmv3ZUvGZmRnMrTXcu7NYlNoXgOCzkHUicc AGwDOPnsGK9wvtFNI87/4PdBzDhhP3bDY7qTssXyAvbxU4+VHn4Hlisg3BkNqrDEoze0VUh2Ufbsg sLEPDubY8OG8SNMA5E0TVDhcZDYddMUr3C9Qfc/tX9zYtsMYh7soL6M1ihPRkp1F9FRPk6C6a4b5z IcLgD9AQ==; 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 1kb71j-0000vL-Sx; Fri, 06 Nov 2020 19:04:00 +0000 From: Christoph Hellwig To: Jens Axboe Subject: [PATCH 06/24] block: add a return value to set_capacity_and_notify Date: Fri, 6 Nov 2020 20:03:18 +0100 Message-Id: <20201106190337.1973127-7-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 Return if the function ended up sending an uevent or not. Signed-off-by: Christoph Hellwig --- block/genhd.c | 7 +++++-- include/linux/genhd.h | 2 +- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/block/genhd.c b/block/genhd.c index d8d9d6c1c916e1..8c350fecfe8bfe 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -47,9 +47,9 @@ static void disk_release_events(struct gendisk *disk); /* * Set disk capacity and notify if the size is not currently zero and will not - * be set to zero. + * be set to zero. Returns true if a uevent was sent, otherwise false. */ -void set_capacity_and_notify(struct gendisk *disk, sector_t size) +bool set_capacity_and_notify(struct gendisk *disk, sector_t size) { sector_t capacity = get_capacity(disk); @@ -60,7 +60,10 @@ void set_capacity_and_notify(struct gendisk *disk, sector_t size) char *envp[] = { "RESIZE=1", NULL }; kobject_uevent_env(&disk_to_dev(disk)->kobj, KOBJ_CHANGE, envp); + return true; } + + return false; } EXPORT_SYMBOL_GPL(set_capacity_and_notify); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 596f31b5a3e133..4b22bfd9336e1a 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -315,7 +315,7 @@ static inline int get_disk_ro(struct gendisk *disk) extern void disk_block_events(struct gendisk *disk); extern void disk_unblock_events(struct gendisk *disk); extern void disk_flush_events(struct gendisk *disk, unsigned int mask); -void set_capacity_and_notify(struct gendisk *disk, sector_t size); +bool set_capacity_and_notify(struct gendisk *disk, sector_t size); /* drivers/char/random.c */ extern void add_disk_randomness(struct gendisk *disk) __latent_entropy; -- 2.28.0 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme