From patchwork Fri Feb 10 02:13:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13135342 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 C7022C61DA4 for ; Fri, 10 Feb 2023 02:13:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229966AbjBJCNs (ORCPT ); Thu, 9 Feb 2023 21:13:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229554AbjBJCNr (ORCPT ); Thu, 9 Feb 2023 21:13:47 -0500 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2B856E889; Thu, 9 Feb 2023 18:13:45 -0800 (PST) From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=weissschuh.net; s=mail; t=1675995223; bh=VzlrvAZAWEVQpHCcqQ4qNIrkcDuDoIy5bKPO4pkK36k=; h=From:Date:Subject:To:Cc:From; b=bO8v2weZou94Tgd/yAFueMF8rEI5P4EWUMtEntRv2ZauFXUpP2l8EqTMCvUPHEs0E Pzzxg/dGy69u4d2+0wouVvZHCR1hLMp2eYIGGVeadUceejP/Jh5nTNUV+2T7EUdY6w BYWaEmahaTFB72xyxv5TA64p6irJR4xKM9Mr/5Xw= Date: Fri, 10 Feb 2023 02:13:40 +0000 Subject: [PATCH] btrfs: make kobj_type structures constant MIME-Version: 1.0 Message-Id: <20230210-kobj_type-btrfs-v1-1-16d3f33c17be@weissschuh.net> X-B4-Tracking: v=1; b=H4sIAFSo5WMC/x2N0QqDMAxFf0XyvELt1If9yhijrYnGSZXEjYn47 wt7POdyuAcoCqPCrTpA8MPKSzGoLxXkMZYBHffGEHy4+lB791rS9Nz2FV3ahNSRbzrKTWiREli VotokseTRuvKeZ5OrIPH3f3N/nOcPbj4zM3YAAAA= To: Chris Mason , Josef Bacik , David Sterba Cc: linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Tho?= =?utf-8?q?mas_Wei=C3=9Fschuh?= X-Mailer: b4 0.12.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1675995221; l=2540; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=VzlrvAZAWEVQpHCcqQ4qNIrkcDuDoIy5bKPO4pkK36k=; b=KACfp2GhJ5mUUVNX03EWUPeIeoGqY/bvZ2sy/EIo8+f41AboWsDiUSO73OsB1fVuhSGjuhSz+ kBeGIlxyWYwAFztdmzlGCdnGOYA9UWvEf0GL5hwAD9U6DOzYB6YiOP9 X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.") the driver core allows the usage of const struct kobj_type. Take advantage of this to constify the structure definitions to prevent modification at runtime. Signed-off-by: Thomas Weißschuh Reviewed-by: Anand Jain --- fs/btrfs/sysfs.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) --- base-commit: e544a07438522ab3688416e6e2e34bf0ee6d8755 change-id: 20230210-kobj_type-btrfs-f046fc425efb Best regards, diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 45615ce36498..95c9028e116a 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -702,7 +702,7 @@ static void release_raid_kobj(struct kobject *kobj) kfree(to_raid_kobj(kobj)); } -static struct kobj_type btrfs_raid_ktype = { +static const struct kobj_type btrfs_raid_ktype = { .sysfs_ops = &kobj_sysfs_ops, .release = release_raid_kobj, .default_groups = raid_groups, @@ -900,7 +900,7 @@ static void space_info_release(struct kobject *kobj) kfree(sinfo); } -static struct kobj_type space_info_ktype = { +static const struct kobj_type space_info_ktype = { .sysfs_ops = &kobj_sysfs_ops, .release = space_info_release, .default_groups = space_info_groups, @@ -1259,7 +1259,7 @@ static void btrfs_release_fsid_kobj(struct kobject *kobj) complete(&fs_devs->kobj_unregister); } -static struct kobj_type btrfs_ktype = { +static const struct kobj_type btrfs_ktype = { .sysfs_ops = &kobj_sysfs_ops, .release = btrfs_release_fsid_kobj, }; @@ -1789,7 +1789,7 @@ static void btrfs_release_devid_kobj(struct kobject *kobj) complete(&device->kobj_unregister); } -static struct kobj_type devid_ktype = { +static const struct kobj_type devid_ktype = { .sysfs_ops = &kobj_sysfs_ops, .default_groups = devid_groups, .release = btrfs_release_devid_kobj, @@ -2103,7 +2103,7 @@ static void qgroups_release(struct kobject *kobj) kfree(kobj); } -static struct kobj_type qgroups_ktype = { +static const struct kobj_type qgroups_ktype = { .sysfs_ops = &kobj_sysfs_ops, .default_groups = qgroups_groups, .release = qgroups_release, @@ -2173,7 +2173,7 @@ static void qgroup_release(struct kobject *kobj) memset(&qgroup->kobj, 0, sizeof(*kobj)); } -static struct kobj_type qgroup_ktype = { +static const struct kobj_type qgroup_ktype = { .sysfs_ops = &kobj_sysfs_ops, .release = qgroup_release, .default_groups = qgroup_groups,