From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6AB533644DB; Tue, 23 Jun 2026 09:16:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782206166; cv=none; b=BhmdrQOvNWbXrxouZSykrY7Z5ZaTTgWBZpkhc2RBZI0Hbb7TOiGKV7Q6pkEtWY8dPhq+fX9/PBgLsq91XiqH/nMwUKEaafYeJ0/07uep9vz0462Aos04SympBfDsONLM6/cecwjJEqVA2vSDtsNNSrko/gUpyEZmYtLhbdfV5ME= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782206166; c=relaxed/simple; bh=Vk3YLAgdQQ3JhwKy+7LI/rSXNZ8cgsxQcGMX5eeKgbM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jQ2ahS2wabLnCwFmTB3CTVeEJsnA/zIiCZeNhD5dQg59ZNlCA7bXtYsE4X3EIv3zZaN7UNWxNwrbehloSTPkfKySOuAuZAaLInOnE8rchsJiG1g0IaZXM9Lc/owzUml5fv2vEqQKE6KqQPFERMXra3jwWFqOg7Wuew1mtXgv/Ro= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L3SQEPFT; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="L3SQEPFT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C437E1F00A3A; Tue, 23 Jun 2026 09:16:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782206164; bh=Ez0VfHhGoU0GTVPOD0OStLzH0MYIign36GoetrV9P98=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=L3SQEPFTF3vNjO+J10+sgIzJ9wekrDd8g5HwID3AmeDou70HoQjERcpP8AJbWQAG9 qhP1/ZhrBUiyOcixevfQnxrW3ER4pgXqSqD1ciQLqt2YG56qizfCs0HyBeWnUtdkx6 8vRAY62bI1YdblBZt2jzRVCu+3TFTun9Kv2crrZ9bJfhBQdMVmbeV9scGKbveE5IzQ lXJM+db570HoSws3Cq1vamJY/cRup4onr+CNz0ReZp5mZwsOm9H+xMnruMt89jdxEU W8zSHpLo9TW2tXqRAKJFz9TsFsgthb1wYZzoK86WmhIe140Eg100Uhh0dJs579EOxy 88+FtgvrkDYyQ== From: Hannes Reinecke Date: Tue, 23 Jun 2026 11:15:46 +0200 Subject: [PATCH RFC v3 01/12] fs/configfs: rework configfs_is_root() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260623-configfs-ns-v3-1-841c100fd5dd@kernel.org> References: <20260623-configfs-ns-v3-0-841c100fd5dd@kernel.org> In-Reply-To: <20260623-configfs-ns-v3-0-841c100fd5dd@kernel.org> To: Andreas Hindborg , Breno Leitao , Alexander Viro , Christian Brauner , Jan Kara , Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nvme@lists.infradead.org, Hannes Reinecke X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1782206158; l=1706; i=hare@kernel.org; s=20260619; h=from:subject:message-id; bh=Vk3YLAgdQQ3JhwKy+7LI/rSXNZ8cgsxQcGMX5eeKgbM=; b=eaW5hVZUWv7ZKjXGT6NGRXmqUfDweUmp17HJ4HBHmCFWx+MsnrgZY6CD+yQ5T8Ae06ZKWfZb9 npn6Sdq0z7EDInKkEDzEbNtQkA8H5Gb3iydogYJt2FZKvqS4ZMhBE0+ X-Developer-Key: i=hare@kernel.org; a=ed25519; pk=iekPF4ZZFva3sutm7d1ryPNR1G/WFfUgHaDB423JXho= In preparation for making configfs namespace-aware rework configfs_is_root() to not rely on static structures but rather use the information in the structures themselves. Signed-off-by: Hannes Reinecke --- fs/configfs/configfs_internal.h | 2 +- fs/configfs/mount.c | 9 +++++++-- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h index acdeea8e2d69ac9d621e1a42b039719811c31757..6261e1f3ec201a58a5d46b08dfbced8c2a44d82b 100644 --- a/fs/configfs/configfs_internal.h +++ b/fs/configfs/configfs_internal.h @@ -63,7 +63,7 @@ extern spinlock_t configfs_dirent_lock; extern struct kmem_cache *configfs_dir_cachep; -extern int configfs_is_root(struct config_item *item); +extern bool configfs_is_root(struct config_item *item); extern struct inode * configfs_new_inode(umode_t mode, struct configfs_dirent *, struct super_block *); extern struct inode *configfs_create(struct dentry *, umode_t mode); diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c index 4929f343118946eaa55a539db4192e9c6621a8dc..88da7b428e52f2f4ab139ad3907101f685d617b1 100644 --- a/fs/configfs/mount.c +++ b/fs/configfs/mount.c @@ -47,9 +47,14 @@ static struct config_group configfs_root_group = { }, }; -int configfs_is_root(struct config_item *item) +bool configfs_is_root(struct config_item *item) { - return item == &configfs_root_group.cg_item; + struct configfs_dirent *sd; + + if (!item->ci_dentry) + return false; + sd = item->ci_dentry->d_fsdata; + return !!(sd->s_type & CONFIGFS_ROOT); } static struct configfs_dirent configfs_root = { -- 2.51.0