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 [170.10.133.124]) (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 14792C433FE for ; Mon, 29 Nov 2021 10:39:52 +0000 (UTC) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-562-mboMbIhaPMCzVD8VOIuEUg-1; Mon, 29 Nov 2021 05:39:46 -0500 X-MC-Unique: mboMbIhaPMCzVD8VOIuEUg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7F1B719251B1; Mon, 29 Nov 2021 10:39:42 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 63FD976613; Mon, 29 Nov 2021 10:39:42 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 38BCE4A700; Mon, 29 Nov 2021 10:39:42 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 1ATAdRoQ014289 for ; Mon, 29 Nov 2021 05:39:27 -0500 Received: by smtp.corp.redhat.com (Postfix) id 0AD2D401E48; Mon, 29 Nov 2021 10:39:27 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast01.extmail.prod.ext.rdu2.redhat.com [10.11.55.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 06B16401E24 for ; Mon, 29 Nov 2021 10:39:27 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-2.mimecast.com [207.211.31.81]) (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 DFCD885A5B5 for ; Mon, 29 Nov 2021 10:39:26 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-287-tyBFsHWMP0-tuyXg1jUFHg-1; Mon, 29 Nov 2021 05:39:24 -0500 X-MC-Unique: tyBFsHWMP0-tuyXg1jUFHg-1 Received: from [2001:4bb8:184:4a23:724a:c057:c7bf:4643] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrdnq-0073SH-3A; Mon, 29 Nov 2021 10:22:31 +0000 From: Christoph Hellwig To: Dan Williams Date: Mon, 29 Nov 2021 11:21:53 +0100 Message-Id: <20211129102203.2243509-20-hch@lst.de> In-Reply-To: <20211129102203.2243509-1-hch@lst.de> References: <20211129102203.2243509-1-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-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 2.85 on 10.11.54.10 X-loop: dm-devel@redhat.com Cc: nvdimm@lists.linux.dev, Mike Snitzer , linux-s390@vger.kernel.org, linux-erofs@lists.ozlabs.org, virtualization@lists.linux-foundation.org, linux-xfs@vger.kernel.org, dm-devel@redhat.com, "Darrick J . Wong" , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, Ira Weiny Subject: [dm-devel] [PATCH 19/29] ext2: cleanup the dax handling in ext2_fill_super X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Only call fs_dax_get_by_bdev once the sbi has been allocated and remove the need for the dax_dev local variable. Signed-off-by: Christoph Hellwig Reviewed-by: Dan Williams Reviewed-by: Darrick J. Wong --- fs/ext2/super.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index a964066a80aa7..7e23482862e69 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -802,7 +802,6 @@ static unsigned long descriptor_loc(struct super_block *sb, static int ext2_fill_super(struct super_block *sb, void *data, int silent) { - struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); struct buffer_head * bh; struct ext2_sb_info * sbi; struct ext2_super_block * es; @@ -822,17 +821,17 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - goto failed; + return -ENOMEM; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - goto failed; + return -ENOMEM; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; - sbi->s_daxdev = dax_dev; + sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev); spin_lock_init(&sbi->s_lock); ret = -EINVAL; @@ -946,7 +945,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); if (test_opt(sb, DAX)) { - if (!dax_dev) { + if (!sbi->s_daxdev) { ext2_msg(sb, KERN_ERR, "DAX unsupported by block device. Turning off DAX."); clear_opt(sbi->s_mount_opt, DAX); @@ -1201,11 +1200,10 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) failed_mount: brelse(bh); failed_sbi: + fs_put_dax(sbi->s_daxdev); sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); -failed: - fs_put_dax(dax_dev); return ret; } -- 2.30.2 -- 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 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 19302C433F5 for ; Mon, 29 Nov 2021 10:23:48 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4J2hJy5vxwz3cFh for ; Mon, 29 Nov 2021 21:23:46 +1100 (AEDT) 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=casper.20170209 header.b=Fey6yeKx; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=casper.srs.infradead.org (client-ip=2001:8b0:10b:1236::1; helo=casper.infradead.org; envelope-from=batv+13c9c90cf431a9f4f7f6+6672+infradead.org+hch@casper.srs.infradead.org; receiver=) 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=casper.20170209 header.b=Fey6yeKx; dkim-atps=neutral Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) (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 4J2hHh6MdSz3cYC for ; Mon, 29 Nov 2021 21:22:40 +1100 (AEDT) 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=zD/HXhciUyG9/+3ZZWalAQ9G/73Tl0D4bOXK8TN7K4k=; b=Fey6yeKxtDXlGwd0VBFiu2ErVR Zrrmqpwah4nDOKUfTpI5uoTu2Xb3OW5xV9l8MThOhiPP2cGBG3cpMeg1lKXKEaWkM3gZZnGDfanvG C2Tr6Slixt1gB6RIbjQyXfT0LV5Ymu9WNwXbsrEzKjMh0eh6CrlBDx2L8cNMhpm/pBYuxglWQO+tn MBdBg6SSjViJVclmD8otGLwrqvT1z2DyFgK9S1R5yAFMPEPZX3zrpecK1561osGXb3Xom4wo+gjOs JJiAwzHCeo2Gl5bNA6uniryh2Yj2uBxIvkf+fIg/Ht+IaJKVbpkQlBwH/+8ejJETfD2+l61RN8FXa pLpb2Tzg==; Received: from [2001:4bb8:184:4a23:724a:c057:c7bf:4643] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrdnq-0073SH-3A; Mon, 29 Nov 2021 10:22:31 +0000 From: Christoph Hellwig To: Dan Williams Subject: [PATCH 19/29] ext2: cleanup the dax handling in ext2_fill_super Date: Mon, 29 Nov 2021 11:21:53 +0100 Message-Id: <20211129102203.2243509-20-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211129102203.2243509-1-hch@lst.de> References: <20211129102203.2243509-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.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: nvdimm@lists.linux.dev, Mike Snitzer , linux-s390@vger.kernel.org, linux-erofs@lists.ozlabs.org, virtualization@lists.linux-foundation.org, linux-xfs@vger.kernel.org, dm-devel@redhat.com, "Darrick J . Wong" , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, Ira Weiny Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" Only call fs_dax_get_by_bdev once the sbi has been allocated and remove the need for the dax_dev local variable. Signed-off-by: Christoph Hellwig Reviewed-by: Dan Williams Reviewed-by: Darrick J. Wong --- fs/ext2/super.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index a964066a80aa7..7e23482862e69 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -802,7 +802,6 @@ static unsigned long descriptor_loc(struct super_block *sb, static int ext2_fill_super(struct super_block *sb, void *data, int silent) { - struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); struct buffer_head * bh; struct ext2_sb_info * sbi; struct ext2_super_block * es; @@ -822,17 +821,17 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - goto failed; + return -ENOMEM; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - goto failed; + return -ENOMEM; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; - sbi->s_daxdev = dax_dev; + sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev); spin_lock_init(&sbi->s_lock); ret = -EINVAL; @@ -946,7 +945,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); if (test_opt(sb, DAX)) { - if (!dax_dev) { + if (!sbi->s_daxdev) { ext2_msg(sb, KERN_ERR, "DAX unsupported by block device. Turning off DAX."); clear_opt(sbi->s_mount_opt, DAX); @@ -1201,11 +1200,10 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) failed_mount: brelse(bh); failed_sbi: + fs_put_dax(sbi->s_daxdev); sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); -failed: - fs_put_dax(dax_dev); return ret; } -- 2.30.2 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 98412C433F5 for ; Mon, 29 Nov 2021 11:08:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377232AbhK2LMP (ORCPT ); Mon, 29 Nov 2021 06:12:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50870 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349934AbhK2LKE (ORCPT ); Mon, 29 Nov 2021 06:10:04 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4005BC08E9B9; Mon, 29 Nov 2021 02:22:35 -0800 (PST) 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=zD/HXhciUyG9/+3ZZWalAQ9G/73Tl0D4bOXK8TN7K4k=; b=Fey6yeKxtDXlGwd0VBFiu2ErVR Zrrmqpwah4nDOKUfTpI5uoTu2Xb3OW5xV9l8MThOhiPP2cGBG3cpMeg1lKXKEaWkM3gZZnGDfanvG C2Tr6Slixt1gB6RIbjQyXfT0LV5Ymu9WNwXbsrEzKjMh0eh6CrlBDx2L8cNMhpm/pBYuxglWQO+tn MBdBg6SSjViJVclmD8otGLwrqvT1z2DyFgK9S1R5yAFMPEPZX3zrpecK1561osGXb3Xom4wo+gjOs JJiAwzHCeo2Gl5bNA6uniryh2Yj2uBxIvkf+fIg/Ht+IaJKVbpkQlBwH/+8ejJETfD2+l61RN8FXa pLpb2Tzg==; Received: from [2001:4bb8:184:4a23:724a:c057:c7bf:4643] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrdnq-0073SH-3A; Mon, 29 Nov 2021 10:22:31 +0000 From: Christoph Hellwig To: Dan Williams Cc: Mike Snitzer , Ira Weiny , dm-devel@redhat.com, linux-xfs@vger.kernel.org, nvdimm@lists.linux.dev, linux-s390@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, virtualization@lists.linux-foundation.org, "Darrick J . Wong" Subject: [PATCH 19/29] ext2: cleanup the dax handling in ext2_fill_super Date: Mon, 29 Nov 2021 11:21:53 +0100 Message-Id: <20211129102203.2243509-20-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211129102203.2243509-1-hch@lst.de> References: <20211129102203.2243509-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Only call fs_dax_get_by_bdev once the sbi has been allocated and remove the need for the dax_dev local variable. Signed-off-by: Christoph Hellwig Reviewed-by: Dan Williams Reviewed-by: Darrick J. Wong --- fs/ext2/super.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index a964066a80aa7..7e23482862e69 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -802,7 +802,6 @@ static unsigned long descriptor_loc(struct super_block *sb, static int ext2_fill_super(struct super_block *sb, void *data, int silent) { - struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); struct buffer_head * bh; struct ext2_sb_info * sbi; struct ext2_super_block * es; @@ -822,17 +821,17 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - goto failed; + return -ENOMEM; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - goto failed; + return -ENOMEM; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; - sbi->s_daxdev = dax_dev; + sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev); spin_lock_init(&sbi->s_lock); ret = -EINVAL; @@ -946,7 +945,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); if (test_opt(sb, DAX)) { - if (!dax_dev) { + if (!sbi->s_daxdev) { ext2_msg(sb, KERN_ERR, "DAX unsupported by block device. Turning off DAX."); clear_opt(sbi->s_mount_opt, DAX); @@ -1201,11 +1200,10 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) failed_mount: brelse(bh); failed_sbi: + fs_put_dax(sbi->s_daxdev); sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); -failed: - fs_put_dax(dax_dev); return ret; } -- 2.30.2 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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 9902BC433F5 for ; Mon, 29 Nov 2021 10:22:46 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 5885B60A5D; Mon, 29 Nov 2021 10:22:46 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rhrY4bi55MOd; Mon, 29 Nov 2021 10:22:45 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTPS id 8A1CA60A7E; Mon, 29 Nov 2021 10:22:44 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 41A66C0056; Mon, 29 Nov 2021 10:22:43 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 335EAC000A for ; Mon, 29 Nov 2021 10:22:41 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id E2B9541C1C for ; Mon, 29 Nov 2021 10:22:40 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp4.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=infradead.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1hhkqfFko0cF for ; Mon, 29 Nov 2021 10:22:40 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by smtp4.osuosl.org (Postfix) with ESMTPS id 4085741C24 for ; Mon, 29 Nov 2021 10:22:40 +0000 (UTC) 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=zD/HXhciUyG9/+3ZZWalAQ9G/73Tl0D4bOXK8TN7K4k=; b=Fey6yeKxtDXlGwd0VBFiu2ErVR Zrrmqpwah4nDOKUfTpI5uoTu2Xb3OW5xV9l8MThOhiPP2cGBG3cpMeg1lKXKEaWkM3gZZnGDfanvG C2Tr6Slixt1gB6RIbjQyXfT0LV5Ymu9WNwXbsrEzKjMh0eh6CrlBDx2L8cNMhpm/pBYuxglWQO+tn MBdBg6SSjViJVclmD8otGLwrqvT1z2DyFgK9S1R5yAFMPEPZX3zrpecK1561osGXb3Xom4wo+gjOs JJiAwzHCeo2Gl5bNA6uniryh2Yj2uBxIvkf+fIg/Ht+IaJKVbpkQlBwH/+8ejJETfD2+l61RN8FXa pLpb2Tzg==; Received: from [2001:4bb8:184:4a23:724a:c057:c7bf:4643] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mrdnq-0073SH-3A; Mon, 29 Nov 2021 10:22:31 +0000 From: Christoph Hellwig To: Dan Williams Subject: [PATCH 19/29] ext2: cleanup the dax handling in ext2_fill_super Date: Mon, 29 Nov 2021 11:21:53 +0100 Message-Id: <20211129102203.2243509-20-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211129102203.2243509-1-hch@lst.de> References: <20211129102203.2243509-1-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 Cc: nvdimm@lists.linux.dev, Mike Snitzer , linux-s390@vger.kernel.org, linux-erofs@lists.ozlabs.org, virtualization@lists.linux-foundation.org, linux-xfs@vger.kernel.org, dm-devel@redhat.com, "Darrick J . Wong" , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, Ira Weiny X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Only call fs_dax_get_by_bdev once the sbi has been allocated and remove the need for the dax_dev local variable. Signed-off-by: Christoph Hellwig Reviewed-by: Dan Williams Reviewed-by: Darrick J. Wong --- fs/ext2/super.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index a964066a80aa7..7e23482862e69 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -802,7 +802,6 @@ static unsigned long descriptor_loc(struct super_block *sb, static int ext2_fill_super(struct super_block *sb, void *data, int silent) { - struct dax_device *dax_dev = fs_dax_get_by_bdev(sb->s_bdev); struct buffer_head * bh; struct ext2_sb_info * sbi; struct ext2_super_block * es; @@ -822,17 +821,17 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); if (!sbi) - goto failed; + return -ENOMEM; sbi->s_blockgroup_lock = kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL); if (!sbi->s_blockgroup_lock) { kfree(sbi); - goto failed; + return -ENOMEM; } sb->s_fs_info = sbi; sbi->s_sb_block = sb_block; - sbi->s_daxdev = dax_dev; + sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev); spin_lock_init(&sbi->s_lock); ret = -EINVAL; @@ -946,7 +945,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); if (test_opt(sb, DAX)) { - if (!dax_dev) { + if (!sbi->s_daxdev) { ext2_msg(sb, KERN_ERR, "DAX unsupported by block device. Turning off DAX."); clear_opt(sbi->s_mount_opt, DAX); @@ -1201,11 +1200,10 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) failed_mount: brelse(bh); failed_sbi: + fs_put_dax(sbi->s_daxdev); sb->s_fs_info = NULL; kfree(sbi->s_blockgroup_lock); kfree(sbi); -failed: - fs_put_dax(dax_dev); return ret; } -- 2.30.2 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization