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 us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CBD24EB64DD for ; Thu, 6 Jul 2023 15:39:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1688657939; h=from:from:sender:sender:reply-to:subject:subject: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:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=nUzDd02CSE1TZ3bgA3jHgN6TAwLO0E8iumVyMUYPpdY=; b=TH46UQdEGqd9oq1VkOiG3aBUqmboCBq0IhO5Mhk1+4/NBTUdhfBZ1IQGzISykKHiQobRY7 CzY/aDD28y5maMk5cE7f6TnsNi2Qgue9wJ6PBDsbsj5iwFc+r19AGN0QUIgvx0/7IjDFTx aq+KGE/bBoTt1MAKuPzEJSNQl0C5PCk= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-97-L9AHaFtKMqOIIdH2tpRi7w-1; Thu, 06 Jul 2023 11:38:55 -0400 X-MC-Unique: L9AHaFtKMqOIIdH2tpRi7w-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8DC7A3C02533; Thu, 6 Jul 2023 15:38:53 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com [10.30.29.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id E0C0240C206F; Thu, 6 Jul 2023 15:38:51 +0000 (UTC) Received: from mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (localhost [IPv6:::1]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 9D13A194658F; Thu, 6 Jul 2023 15:38:51 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by mm-prod-listman-01.mail-001.prod.us-east-1.aws.redhat.com (Postfix) with ESMTP id 7F0CB1946589 for ; Thu, 6 Jul 2023 15:38:50 +0000 (UTC) Received: by smtp.corp.redhat.com (Postfix) id 5A4DB2166B25; Thu, 6 Jul 2023 15:38:50 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast06.extmail.prod.ext.rdu2.redhat.com [10.11.55.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 52C8C2166B26 for ; Thu, 6 Jul 2023 15:38:50 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 34992185A793 for ; Thu, 6 Jul 2023 15:38:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-53-z6WqxPI6MUSiWDcfZnNHaQ-1; Thu, 06 Jul 2023 11:38:46 -0400 X-MC-Unique: z6WqxPI6MUSiWDcfZnNHaQ-1 Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qHR44-0021w3-0C; Thu, 06 Jul 2023 15:38:40 +0000 Date: Thu, 6 Jul 2023 08:38:40 -0700 From: Christoph Hellwig To: Jan Kara Message-ID: References: <20230629165206.383-1-jack@suse.cz> <20230704122224.16257-1-jack@suse.cz> MIME-Version: 1.0 In-Reply-To: <20230704122224.16257-1-jack@suse.cz> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 Subject: Re: [dm-devel] [PATCH 01/32] block: Provide blkdev_get_handle_* functions X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dave Kleikamp , jfs-discussion@lists.sourceforge.net, "Darrick J. Wong" , linux-nvme@lists.infradead.org, Joseph Qi , dm-devel@redhat.com, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, Jack Wang , Alasdair Kergon , drbd-dev@lists.linbit.com, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, Sergey Senozhatsky , Christoph Hellwig , xen-devel@lists.xenproject.org, Gao Xiang , Christian Borntraeger , Kent Overstreet , Sven Schnelle , linux-pm@vger.kernel.org, Mike Snitzer , Chao Yu , Joern Engel , reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, David Sterba , Jaegeuk Kim , Trond Myklebust , Jens Axboe , linux-raid@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org, Ted Tso , linux-mm@kvack.org, Song Liu , linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, Minchan Kim , ocfs2-devel@oss.oracle.com, Anna Schumaker , linux-fsdevel@vger.kernel.org, "Md. Haris Iqbal" , Andrew Morton , linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: infradead.org Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Tue, Jul 04, 2023 at 02:21:28PM +0200, Jan Kara wrote: > Create struct bdev_handle that contains all parameters that need to be > passed to blkdev_put() and provide blkdev_get_handle_* functions that > return this structure instead of plain bdev pointer. This will > eventually allow us to pass one more argument to blkdev_put() without > too much hassle. Can we use the opportunity to come up with better names? blkdev_get_* was always a rather horrible naming convention for something that ends up calling into ->open. What about: struct bdev_handle *bdev_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); struct bdev_handle *bdev_open_by_path(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); void bdev_release(struct bdev_handle *handle); ? -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel 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 8DF80C0015E for ; Thu, 6 Jul 2023 15:38:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233780AbjGFPir (ORCPT ); Thu, 6 Jul 2023 11:38:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41602 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233200AbjGFPiq (ORCPT ); Thu, 6 Jul 2023 11:38:46 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 400D11BC2; Thu, 6 Jul 2023 08:38:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=YwAEpZO7Vu5hoax5tz5QpnX5k8pjtsK6yDO/dOzPntw=; b=LJt1aHPpR1VtNNU97F662mFcBQ 04pv5pjmhELPxcfY8IU2J9oyhfgQvItd1fUo/P+Wom3ADKBICTxeaU2ubravoUlJ9bJKThqcbtmZO YHZ6Bq5JNF5Oy1kZk0vGrojv9a9LNU4bL+WXTD5k/gljEqzdXg69aNBObe/lnHCHtRlMc6Ppc7Hqe +NefvxaKjDH4eBZ/aYpgK8N4uyEQGVFSG36iqC/zjMjHjPuCdtgFFvp4F+STCUxI3HsTMMx8Jecfh X5dQPxytEjbEWkMaTy11b/rkROV7wOirXDfTif06nI996QOXUgedgb0owSphnlvJb3u4X61SBTklq DymCsIxA==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qHR44-0021w3-0C; Thu, 06 Jul 2023 15:38:40 +0000 Date: Thu, 6 Jul 2023 08:38:40 -0700 From: Christoph Hellwig To: Jan Kara Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , Alasdair Kergon , Andrew Morton , Anna Schumaker , Chao Yu , Christian Borntraeger , "Darrick J. Wong" , Dave Kleikamp , David Sterba , dm-devel@redhat.com, drbd-dev@lists.linbit.com, Gao Xiang , Jack Wang , Jaegeuk Kim , jfs-discussion@lists.sourceforge.net, Joern Engel , Joseph Qi , Kent Overstreet , linux-bcache@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mm@kvack.org, linux-mtd@lists.infradead.org, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-nvme@lists.infradead.org, linux-pm@vger.kernel.org, linux-raid@vger.kernel.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-xfs@vger.kernel.org, "Md. Haris Iqbal" , Mike Snitzer , Minchan Kim , ocfs2-devel@oss.oracle.com, reiserfs-devel@vger.kernel.org, Sergey Senozhatsky , Song Liu , Sven Schnelle , target-devel@vger.kernel.org, Ted Tso , Trond Myklebust , xen-devel@lists.xenproject.org Subject: Re: [PATCH 01/32] block: Provide blkdev_get_handle_* functions Message-ID: References: <20230629165206.383-1-jack@suse.cz> <20230704122224.16257-1-jack@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230704122224.16257-1-jack@suse.cz> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-bcache@vger.kernel.org On Tue, Jul 04, 2023 at 02:21:28PM +0200, Jan Kara wrote: > Create struct bdev_handle that contains all parameters that need to be > passed to blkdev_put() and provide blkdev_get_handle_* functions that > return this structure instead of plain bdev pointer. This will > eventually allow us to pass one more argument to blkdev_put() without > too much hassle. Can we use the opportunity to come up with better names? blkdev_get_* was always a rather horrible naming convention for something that ends up calling into ->open. What about: struct bdev_handle *bdev_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); struct bdev_handle *bdev_open_by_path(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); void bdev_release(struct bdev_handle *handle); ? 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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 65CE9EB64DC for ; Thu, 6 Jul 2023 15:39:10 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=LJt1aHPp; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4QxggJ3pw3z3bxB for ; Fri, 7 Jul 2023 01:39:08 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=LJt1aHPp; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=batv+3c95f280863011604c0c+7256+infradead.org+hch@bombadil.srs.infradead.org; receiver=lists.ozlabs.org) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4QxggB6Mntz301b for ; Fri, 7 Jul 2023 01:39:00 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=YwAEpZO7Vu5hoax5tz5QpnX5k8pjtsK6yDO/dOzPntw=; b=LJt1aHPpR1VtNNU97F662mFcBQ 04pv5pjmhELPxcfY8IU2J9oyhfgQvItd1fUo/P+Wom3ADKBICTxeaU2ubravoUlJ9bJKThqcbtmZO YHZ6Bq5JNF5Oy1kZk0vGrojv9a9LNU4bL+WXTD5k/gljEqzdXg69aNBObe/lnHCHtRlMc6Ppc7Hqe +NefvxaKjDH4eBZ/aYpgK8N4uyEQGVFSG36iqC/zjMjHjPuCdtgFFvp4F+STCUxI3HsTMMx8Jecfh X5dQPxytEjbEWkMaTy11b/rkROV7wOirXDfTif06nI996QOXUgedgb0owSphnlvJb3u4X61SBTklq DymCsIxA==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qHR44-0021w3-0C; Thu, 06 Jul 2023 15:38:40 +0000 Date: Thu, 6 Jul 2023 08:38:40 -0700 From: Christoph Hellwig To: Jan Kara Subject: Re: [PATCH 01/32] block: Provide blkdev_get_handle_* functions Message-ID: References: <20230629165206.383-1-jack@suse.cz> <20230704122224.16257-1-jack@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230704122224.16257-1-jack@suse.cz> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dave Kleikamp , jfs-discussion@lists.sourceforge.net, "Darrick J. Wong" , linux-nvme@lists.infradead.org, Joseph Qi , dm-devel@redhat.com, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, Jack Wang , Alasdair Kergon , drbd-dev@lists.linbit.com, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, Sergey Senozhatsky , Christoph Hellwig , xen-devel@lists.xenproject.org, Christian Borntraeger , Kent Overstreet , Sven Schnelle , linux-pm@vger.kernel.org, Mike Snitzer , Joern Engel , reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, David Sterba , Jaegeuk Kim , Trond Myklebust , Jens Axboe , linux-raid@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org, Ted Tso , linux-mm@kvack.org, Song Liu , linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, Minchan Kim , ocfs2-devel@oss.oracle.com, Anna Schumaker , linux-fsdevel@vger.kernel.org, "Md. Haris Iqbal" , Andrew Morton , linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" On Tue, Jul 04, 2023 at 02:21:28PM +0200, Jan Kara wrote: > Create struct bdev_handle that contains all parameters that need to be > passed to blkdev_put() and provide blkdev_get_handle_* functions that > return this structure instead of plain bdev pointer. This will > eventually allow us to pass one more argument to blkdev_put() without > too much hassle. Can we use the opportunity to come up with better names? blkdev_get_* was always a rather horrible naming convention for something that ends up calling into ->open. What about: struct bdev_handle *bdev_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); struct bdev_handle *bdev_open_by_path(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); void bdev_release(struct bdev_handle *handle); ? 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 lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7D23AEB64D9 for ; Thu, 6 Jul 2023 15:39:00 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-3.v29.lw.sourceforge.com) by sfs-ml-3.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1qHR4M-0001xg-CV; Thu, 06 Jul 2023 15:38:58 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-3.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1qHR4K-0001xQ-LZ; Thu, 06 Jul 2023 15:38:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=In-Reply-To:Content-Type:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=YwAEpZO7Vu5hoax5tz5QpnX5k8pjtsK6yDO/dOzPntw=; b=EH1yiQNSr/H40iFZvPxVlKdTvx CphUI64XeFrEU1odDlOx0VKHxi8gsHNJfdMfzXh321Yi+c2i6AqZw5I14o6hilDplR0g7bZrhX+s9 a4A4lg5IuUihjOMc8IIuZ4p48cACkj7yf3rlBjAYOl4jI9esn6AGhSgHiM+NfM72DFIg=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To :From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=YwAEpZO7Vu5hoax5tz5QpnX5k8pjtsK6yDO/dOzPntw=; b=hDhQwzTrg8E47vy7nXf3RjCLnE /Cqs795u2NAu8uctC6gQHRgzHvppY1O+hbH4sf/8T4zt2NP3wDRyB1OZyBWDpgtZKhja5uVqR3Dd5 KHzN1dKOys2/yX3/cDC2segZnA/jXTakawK5UNnqCJC+4GLDHSm1J1c62mvJAHMdOHdk=; Received: from bombadil.infradead.org ([198.137.202.133]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1qHR4K-0007G8-FL; Thu, 06 Jul 2023 15:38:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=YwAEpZO7Vu5hoax5tz5QpnX5k8pjtsK6yDO/dOzPntw=; b=LJt1aHPpR1VtNNU97F662mFcBQ 04pv5pjmhELPxcfY8IU2J9oyhfgQvItd1fUo/P+Wom3ADKBICTxeaU2ubravoUlJ9bJKThqcbtmZO YHZ6Bq5JNF5Oy1kZk0vGrojv9a9LNU4bL+WXTD5k/gljEqzdXg69aNBObe/lnHCHtRlMc6Ppc7Hqe +NefvxaKjDH4eBZ/aYpgK8N4uyEQGVFSG36iqC/zjMjHjPuCdtgFFvp4F+STCUxI3HsTMMx8Jecfh X5dQPxytEjbEWkMaTy11b/rkROV7wOirXDfTif06nI996QOXUgedgb0owSphnlvJb3u4X61SBTklq DymCsIxA==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qHR44-0021w3-0C; Thu, 06 Jul 2023 15:38:40 +0000 Date: Thu, 6 Jul 2023 08:38:40 -0700 From: Christoph Hellwig To: Jan Kara Message-ID: References: <20230629165206.383-1-jack@suse.cz> <20230704122224.16257-1-jack@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230704122224.16257-1-jack@suse.cz> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Headers-End: 1qHR4K-0007G8-FL Subject: Re: [f2fs-dev] [PATCH 01/32] block: Provide blkdev_get_handle_* functions X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dave Kleikamp , jfs-discussion@lists.sourceforge.net, "Darrick J. Wong" , linux-nvme@lists.infradead.org, Joseph Qi , dm-devel@redhat.com, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, Jack Wang , Alasdair Kergon , drbd-dev@lists.linbit.com, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, Sergey Senozhatsky , Christoph Hellwig , xen-devel@lists.xenproject.org, Gao Xiang , Christian Borntraeger , Kent Overstreet , Sven Schnelle , linux-pm@vger.kernel.org, Mike Snitzer , Joern Engel , reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, David Sterba , Jaegeuk Kim , Trond Myklebust , Jens Axboe , linux-raid@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org, Ted Tso , linux-mm@kvack.org, Song Liu , linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, Minchan Kim , ocfs2-devel@oss.oracle.com, Anna Schumaker , linux-fsdevel@vger.kernel.org, "Md. Haris Iqbal" , Andrew Morton , linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Tue, Jul 04, 2023 at 02:21:28PM +0200, Jan Kara wrote: > Create struct bdev_handle that contains all parameters that need to be > passed to blkdev_put() and provide blkdev_get_handle_* functions that > return this structure instead of plain bdev pointer. This will > eventually allow us to pass one more argument to blkdev_put() without > too much hassle. Can we use the opportunity to come up with better names? blkdev_get_* was always a rather horrible naming convention for something that ends up calling into ->open. What about: struct bdev_handle *bdev_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); struct bdev_handle *bdev_open_by_path(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); void bdev_release(struct bdev_handle *handle); ? _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH 01/32] block: Provide blkdev_get_handle_* functions Date: Thu, 6 Jul 2023 08:38:40 -0700 Message-ID: References: <20230629165206.383-1-jack@suse.cz> <20230704122224.16257-1-jack@suse.cz> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=YwAEpZO7Vu5hoax5tz5QpnX5k8pjtsK6yDO/dOzPntw=; b=LJt1aHPpR1VtNNU97F662mFcBQ 04pv5pjmhELPxcfY8IU2J9oyhfgQvItd1fUo/P+Wom3ADKBICTxeaU2ubravoUlJ9bJKThqcbtmZO YHZ6Bq5JNF5Oy1kZk0vGrojv9a9LNU4bL+WXTD5k/gljEqzdXg69aNBObe/lnHCHtRlMc6Ppc7Hqe +NefvxaKjDH4eBZ/aYpgK8N4uyEQGVFSG36iqC/zjMjHjPuCdtgFFvp4F+STCUxI3HsTMMx8Jecfh X5dQPxytEjbEWkMaTy11b/rkROV7wOirXDfTif06nI996QOXUgedgb0owSphnlvJb3u4X61SBTklq DymCsIxA==; Content-Disposition: inline In-Reply-To: <20230704122224.16257-1-jack@suse.cz> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jan Kara Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , Alasdair Kergon , Andrew Morton , Anna Schumaker , Chao Yu , Christian Borntraeger , "Darrick J. Wong" , Dave Kleikamp , David Sterba , dm-devel@redhat.com, drbd-dev@lists.linbit.com, Gao Xiang , Jack Wang , Jaegeuk Kim , jfs-discussion@lists.sourceforge.net, Joern Engel , Joseph Qi , Kent Overstreet , linux-bcache@vger.kernel.org On Tue, Jul 04, 2023 at 02:21:28PM +0200, Jan Kara wrote: > Create struct bdev_handle that contains all parameters that need to be > passed to blkdev_put() and provide blkdev_get_handle_* functions that > return this structure instead of plain bdev pointer. This will > eventually allow us to pass one more argument to blkdev_put() without > too much hassle. Can we use the opportunity to come up with better names? blkdev_get_* was always a rather horrible naming convention for something that ends up calling into ->open. What about: struct bdev_handle *bdev_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); struct bdev_handle *bdev_open_by_path(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); void bdev_release(struct bdev_handle *handle); ? 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8F2E3C04A94 for ; Thu, 6 Jul 2023 15:38:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=CBVS4NPFsRy7qHJrixmdxjNbacc7xgirRL+2jyu0YJI=; b=npZnC02cHebdFV NQWBBfJHNyKWNkbb2vn92BuXPg90IA3PQKidenDgU/1q5oIPhpIujPda8Va2WUqHYnvS80r9wqHKY ZB4S+hbsVNJOibtOpAncZJmrLOZpE74FF0dLK67E8E1XwWrkyu4W/VegDbo+Q/ZqPX5tCj6toDUum XxoYwerxM5bOZO0lRrfAMKnvqVi7tnyDTVU69nPSGQWEBjIXV8etK8Gmkpd0p4/6qrE12dUESVCX9 PCWMYvEXy9msWdWSR4ycVNnikQd+1Cf47JGnQEUFUUJJeXUpL4GvfK1vDO1WG8+v3JhLYEX1C4psf GbQ4+bBnw+09wrWkYk4Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qHR4B-0021zP-0v; Thu, 06 Jul 2023 15:38:47 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qHR44-0021w3-0C; Thu, 06 Jul 2023 15:38:40 +0000 Date: Thu, 6 Jul 2023 08:38:40 -0700 From: Christoph Hellwig To: Jan Kara Cc: linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , Alasdair Kergon , Andrew Morton , Anna Schumaker , Chao Yu , Christian Borntraeger , "Darrick J. Wong" , Dave Kleikamp , David Sterba , dm-devel@redhat.com, drbd-dev@lists.linbit.com, Gao Xiang , Jack Wang , Jaegeuk Kim , jfs-discussion@lists.sourceforge.net, Joern Engel , Joseph Qi , Kent Overstreet , linux-bcache@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-mm@kvack.org, linux-mtd@lists.infradead.org, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-nvme@lists.infradead.org, linux-pm@vger.kernel.org, linux-raid@vger.kernel.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-xfs@vger.kernel.org, "Md. Haris Iqbal" , Mike Snitzer , Minchan Kim , ocfs2-devel@oss.oracle.com, reiserfs-devel@vger.kernel.org, Sergey Senozhatsky , Song Liu , Sven Schnelle , target-devel@vger.kernel.org, Ted Tso , Trond Myklebust , xen-devel@lists.xenproject.org Subject: Re: [PATCH 01/32] block: Provide blkdev_get_handle_* functions Message-ID: References: <20230629165206.383-1-jack@suse.cz> <20230704122224.16257-1-jack@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230704122224.16257-1-jack@suse.cz> X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Tue, Jul 04, 2023 at 02:21:28PM +0200, Jan Kara wrote: > Create struct bdev_handle that contains all parameters that need to be > passed to blkdev_put() and provide blkdev_get_handle_* functions that > return this structure instead of plain bdev pointer. This will > eventually allow us to pass one more argument to blkdev_put() without > too much hassle. Can we use the opportunity to come up with better names? blkdev_get_* was always a rather horrible naming convention for something that ends up calling into ->open. What about: struct bdev_handle *bdev_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); struct bdev_handle *bdev_open_by_path(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); void bdev_release(struct bdev_handle *handle); ? ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by mail19.linbit.com (LINBIT Mail Daemon) with ESMTP id F3E9842019D for ; Thu, 6 Jul 2023 17:38:48 +0200 (CEST) Date: Thu, 6 Jul 2023 08:38:40 -0700 From: Christoph Hellwig To: Jan Kara Message-ID: References: <20230629165206.383-1-jack@suse.cz> <20230704122224.16257-1-jack@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230704122224.16257-1-jack@suse.cz> Cc: Dave Kleikamp , jfs-discussion@lists.sourceforge.net, "Darrick J. Wong" , linux-nvme@lists.infradead.org, Joseph Qi , dm-devel@redhat.com, target-devel@vger.kernel.org, linux-mtd@lists.infradead.org, Jack Wang , Alasdair Kergon , drbd-dev@lists.linbit.com, linux-s390@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-scsi@vger.kernel.org, Sergey Senozhatsky , Christoph Hellwig , xen-devel@lists.xenproject.org, Gao Xiang , Christian Borntraeger , Kent Overstreet , Sven Schnelle , linux-pm@vger.kernel.org, Mike Snitzer , Chao Yu , Joern Engel , reiserfs-devel@vger.kernel.org, linux-block@vger.kernel.org, linux-bcache@vger.kernel.org, David Sterba , Jaegeuk Kim , Trond Myklebust , Jens Axboe , linux-raid@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ext4@vger.kernel.org, Ted Tso , linux-mm@kvack.org, Song Liu , linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, Minchan Kim , ocfs2-devel@oss.oracle.com, Anna Schumaker , linux-fsdevel@vger.kernel.org, "Md. Haris Iqbal" , Andrew Morton , linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org Subject: Re: [Drbd-dev] [PATCH 01/32] block: Provide blkdev_get_handle_* functions List-Id: "*Coordination* of development, patches, contributions -- *Questions* \(even to developers\) go to drbd-user, please." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Jul 04, 2023 at 02:21:28PM +0200, Jan Kara wrote: > Create struct bdev_handle that contains all parameters that need to be > passed to blkdev_put() and provide blkdev_get_handle_* functions that > return this structure instead of plain bdev pointer. This will > eventually allow us to pass one more argument to blkdev_put() without > too much hassle. Can we use the opportunity to come up with better names? blkdev_get_* was always a rather horrible naming convention for something that ends up calling into ->open. What about: struct bdev_handle *bdev_open_by_dev(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); struct bdev_handle *bdev_open_by_path(dev_t dev, blk_mode_t mode, void *holder, const struct blk_holder_ops *hops); void bdev_release(struct bdev_handle *handle); ?