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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 EC0AFC4167B for ; Fri, 3 Sep 2021 20:46:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7F24610FA for ; Fri, 3 Sep 2021 20:46:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350971AbhICUrB (ORCPT ); Fri, 3 Sep 2021 16:47:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41436 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235953AbhICUrB (ORCPT ); Fri, 3 Sep 2021 16:47:01 -0400 Received: from mail-oi1-x234.google.com (mail-oi1-x234.google.com [IPv6:2607:f8b0:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13400C0613C1; Fri, 3 Sep 2021 13:46:01 -0700 (PDT) Received: by mail-oi1-x234.google.com with SMTP id r26so694867oij.2; Fri, 03 Sep 2021 13:46:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=5IvB2ie/eR/p0ZXjKpNOoLs51YY8X2DxXyaLyjEGU5s=; b=YCZigrz5HRASifSFQmQ+iyFnfxeRbHvnj0TYLkOUsnLAgDERauNK3mRpQShZPB1WRv u9aAgchJLl8OR2iKIKE7OH723cVvMZDcmpkyISJOq/+zQ6Qf91Bl3PZYI34ddeJsc0y2 guZanR9DWcpSUb7UIeavVf/KTZL3Hvejxi3GNkG9ePUUM7kjEvraaK6e4AWXVEBaijD/ Gr1/xdDCJulIGhuUXCqOI2rwrFjNr0uQQqowhO8CaI3orm6Nh5IjG2GPm2n6HgUvJTgX c2VxrtOtW34F1P0TpLdwaH4diZNTASpcKudNh5je80YIFwLl2EiskxJahNFxVooUkAyR Ve5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5IvB2ie/eR/p0ZXjKpNOoLs51YY8X2DxXyaLyjEGU5s=; b=c4lFiXNH1ag0Mth+HBtiLTikYwH01HUjR33/cgBKdG0JjcCjT98C/Hm2PRu8r06OSL SkwqPmwumpPx6sV6UejkouYSIdOgObCLSxbvmQsLH64VkDgVoifJbctkcLpQyO6gjtgo bwSqTnSOFyMOkwNbU8reiagt6ZJXyZIHoOynchQ2NbHbFj8PNVAKr6k6LMzNmBEdnqn4 gO5uLXsSPoAyl7dkoDVKqJhlZJjB2VXJZa3iuRQTAAOhAGE1NHVUkh9Fx9ei9JGFH7Rh bGha+NV9LScsEDyTbFGjF/dBshYMhNV7C8i5B+DJy7SFccbeBmbyYwzMkfaRkpobn7MY xhog== X-Gm-Message-State: AOAM533fEOF7Jy2DJsVNFHLMuEPGt7CM/dTv71njE7dLexHyy1rWJhRm hLZ0QvF37eoKC4GRdVvf/jw= X-Google-Smtp-Source: ABdhPJyJAaZc/kL+e5qS7AY/S/FKJ4jwSG2ea+uz4iv66JyQAH/tmA+Tr1Nu31C9f2usbgrQhFtmFw== X-Received: by 2002:aca:f143:: with SMTP id p64mr485284oih.161.1630701960452; Fri, 03 Sep 2021 13:46:00 -0700 (PDT) Received: from ian.penurio.us ([47.184.51.90]) by smtp.gmail.com with ESMTPSA id be5sm90023oib.10.2021.09.03.13.45.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Sep 2021 13:46:00 -0700 (PDT) From: Ian Pilcher To: axboe@kernel.dk, pavel@ucw.cz Cc: linux-leds@vger.kernel.org, linux-block@vger.kernel.org, linux@vger.kernel.org, gregkh@linuxfoundation.org, kabel@kernel.org Subject: [PATCH 04/18] block: Add block device LED trigger integrations Date: Fri, 3 Sep 2021 15:45:34 -0500 Message-Id: <20210903204548.2745354-5-arequipeno@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210903204548.2745354-1-arequipeno@gmail.com> References: <20210903204548.2745354-1-arequipeno@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Add LED trigger disk info pointer to gendisk structure Call ledtrig_blkdev_disk_init() from device_add_disk() to ensure that ledtrig is initialized to NULL, in case a driver allocates the structure itself and doesn't use kzalloc() Call ledtrig_blkdev_disk_cleanup() from del_gendisk() to ensure that the LED trigger stops trying to check the disk for activity Signed-off-by: Ian Pilcher --- block/genhd.c | 4 ++++ include/linux/genhd.h | 3 +++ 2 files changed, 7 insertions(+) diff --git a/block/genhd.c b/block/genhd.c index 567549a011d1..6f340a717099 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -24,6 +24,7 @@ #include #include #include +#include #include "blk.h" @@ -390,6 +391,8 @@ int device_add_disk(struct device *parent, struct gendisk *disk, struct device *ddev = disk_to_dev(disk); int ret; + ledtrig_blkdev_disk_init(disk); + /* * The disk queue should now be all set with enough information about * the device for the elevator code to pick an adequate default @@ -559,6 +562,7 @@ void del_gendisk(struct gendisk *disk) if (WARN_ON_ONCE(!disk_live(disk) && !(disk->flags & GENHD_FL_HIDDEN))) return; + ledtrig_blkdev_disk_cleanup(disk); blk_integrity_del(disk); disk_del_events(disk); diff --git a/include/linux/genhd.h b/include/linux/genhd.h index c68d83c87f83..29039367ccad 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -166,6 +166,9 @@ struct gendisk { #endif /* CONFIG_BLK_DEV_INTEGRITY */ #if IS_ENABLED(CONFIG_CDROM) struct cdrom_device_info *cdi; +#endif +#if IS_ENABLED(CONFIG_LEDS_TRIGGER_BLKDEV) + struct ledtrig_blkdev_disk *ledtrig; #endif int node_id; struct badblocks *bb; -- 2.31.1