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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66648C83005 for ; Wed, 7 Jun 2023 12:13:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239860AbjFGMNi (ORCPT ); Wed, 7 Jun 2023 08:13:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235220AbjFGMNh (ORCPT ); Wed, 7 Jun 2023 08:13:37 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4EE201BE5; Wed, 7 Jun 2023 05:13:35 -0700 (PDT) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id E1308218B8; Wed, 7 Jun 2023 12:13:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1686140013; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=StU8bsjNjflHj0YFd3pOgj01pYtuKwFRrsba2nNmHxc=; b=dMMg+c9NJGeIwDBEGbx2Qu0RmdyzjEbDquVhtxZPyu0hsWDj62tdshi8Pk+C/wPadb/RFE FnFkUmm9S3NcyQ4hIfWvWWKM5Qe4kSe5QdN4EGvw7IISWJ49A0dyy9AvJh3Hu0hoLwhkxh nEwP4x5dY8zjOJEiuhgizoLxmTJK3bM= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1686140013; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=StU8bsjNjflHj0YFd3pOgj01pYtuKwFRrsba2nNmHxc=; b=UHMYFZOyP/acMA8ezhNsMXSgaL/blHnAMYHL7lhda0+2cRiUsjJd9ypcsD0e8JWz2sThGU CZGpXJmSh+0RoTCA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id AF4DF13776; Wed, 7 Jun 2023 12:13:33 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id QoqCKm10gGSJPQAAMHmgww (envelope-from ); Wed, 07 Jun 2023 12:13:33 +0000 Message-ID: Date: Wed, 7 Jun 2023 14:13:33 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH 05/31] cdrom: track if a cdrom_device_info was opened for data Content-Language: en-US To: Christoph Hellwig , 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 References: <20230606073950.225178-1-hch@lst.de> <20230606073950.225178-6-hch@lst.de> From: Hannes Reinecke In-Reply-To: <20230606073950.225178-6-hch@lst.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 6/6/23 09:39, Christoph Hellwig wrote: > Set a flag when a cdrom_device_info is opened for writing, instead of > trying to figure out this at release time. This will allow to eventually > remove the mode argument to the ->release block_device_operation as > nothing but the CDROM drivers uses that argument. > > Signed-off-by: Christoph Hellwig > --- > drivers/cdrom/cdrom.c | 12 +++++------- > include/linux/cdrom.h | 1 + > 2 files changed, 6 insertions(+), 7 deletions(-) > > diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c > index 08abf1ffede002..adebac1bd210d9 100644 > --- a/drivers/cdrom/cdrom.c > +++ b/drivers/cdrom/cdrom.c > @@ -1172,6 +1172,7 @@ int cdrom_open(struct cdrom_device_info *cdi, fmode_t mode) > ret = 0; > cdi->media_written = 0; > } > + cdi->opened_for_data = true; > } > > if (ret) > @@ -1252,7 +1253,6 @@ static int check_for_audio_disc(struct cdrom_device_info *cdi, > void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode) > { > const struct cdrom_device_ops *cdo = cdi->ops; > - int opened_for_data; > > cd_dbg(CD_CLOSE, "entering cdrom_release\n"); > > @@ -1270,14 +1270,12 @@ void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode) > } > } > > - opened_for_data = !(cdi->options & CDO_USE_FFLAGS) || > - !(mode & FMODE_NDELAY); > - > cdo->release(cdi); > - if (cdi->use_count == 0) { /* last process that closes dev*/ > - if (opened_for_data && > - cdi->options & CDO_AUTO_EJECT && CDROM_CAN(CDC_OPEN_TRAY)) > + > + if (cdi->use_count == 0 && cdi->opened_for_data) { > + if (cdi->options & CDO_AUTO_EJECT && CDROM_CAN(CDC_OPEN_TRAY)) > cdo->tray_move(cdi, 1); > + cdi->opened_for_data = false; > } > } > EXPORT_SYMBOL(cdrom_release); > diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h > index 0a5db0b0c958a1..385e94732b2cf1 100644 > --- a/include/linux/cdrom.h > +++ b/include/linux/cdrom.h > @@ -64,6 +64,7 @@ struct cdrom_device_info { > int (*exit)(struct cdrom_device_info *); > int mrw_mode_page; > __s64 last_media_change_ms; > + bool opened_for_data; > }; > > struct cdrom_device_ops { Do we care about alignment here? integer followed by a 64 bit value followed by a bool seems like an automatic padding to me ... Cheers, Hannes