From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2E549271447; Wed, 22 Oct 2025 16:06:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761149171; cv=none; b=cKoh8dputzKqaAHyP83MSinX6ZdapA0XQwueGN4S73uYbNwulMnYOL6AR8+A+52UX9jzBRvHVEiYPvET5sFzXSQ+hvS1aK7WJbl04+r+ScRqi9SXlxGFxxK9v/lB937uaeLyBjMPdh7eLIh0RnFQm4vpb+endnBR2Av2Yw8Zph0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761149171; c=relaxed/simple; bh=wpu8fA7qXxdZSYnV2Wt9hfd/qe1FdRoJcNk3AI3VvA4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=SxEO2f6J4N7ngG6CdsDufghRcVwRAykKoihgqp6zqsRVGB/3KHSqn71+nuMBeBMmnIblZxtAJP4ly8zneduPh+cRACqCyIYVqcG2uCm0cDQKamlNj5PQ4Ej0eYTWvhMkRJlab3Rij8u2lvg8lr3Xpi1WaTf0os5FTHh0MAbP+44= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=btjigmbW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="btjigmbW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4333C4CEF7; Wed, 22 Oct 2025 16:06:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761149170; bh=wpu8fA7qXxdZSYnV2Wt9hfd/qe1FdRoJcNk3AI3VvA4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=btjigmbWbbwN/3bEvge/X8OntVZSvuCtouD/CcLCCA5f4WL+TPqM1epg2qMtdO0+j wExyt/vuybMhyQKkgdowgY6goi7WtBSN0BZtw+ih0ARBRXAyJ69Ec5ZKMtadfDh0FX c8BCngOpmPutY3nQCmJvk7SLIGvHOGZGcCR7ITUoEnHbhkNyGV52XDddnIq7I1+OIG 8s/jOCpGrCmJcCJrNDDXgFVIx94635duYQtibiKeX8Fql+Cg0MI84RduX3PmJEjZy1 bBKgycneTjV0dYFOoMCnUz8E84uYectJXpzN3srHBeXssDYk031Dz8s6uECkHlqYjf ylINKMnwXB8uA== From: Christian Brauner Date: Wed, 22 Oct 2025 18:05:39 +0200 Subject: [PATCH v2 01/63] libfs: allow to specify s_d_flags Precedence: bulk X-Mailing-List: cgroups@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: <20251022-work-namespace-nstree-listns-v2-1-71a588572371@kernel.org> References: <20251022-work-namespace-nstree-listns-v2-0-71a588572371@kernel.org> In-Reply-To: <20251022-work-namespace-nstree-listns-v2-0-71a588572371@kernel.org> To: linux-fsdevel@vger.kernel.org, Josef Bacik , Jeff Layton Cc: Jann Horn , Mike Yuan , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , Lennart Poettering , Daan De Meyer , Aleksa Sarai , Amir Goldstein , Tejun Heo , Johannes Weiner , Thomas Gleixner , Alexander Viro , Jan Kara , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, bpf@vger.kernel.org, Eric Dumazet , Jakub Kicinski , netdev@vger.kernel.org, Arnd Bergmann , Christian Brauner X-Mailer: b4 0.15-dev-96507 X-Developer-Signature: v=1; a=openpgp-sha256; l=1073; i=brauner@kernel.org; h=from:subject:message-id; bh=wpu8fA7qXxdZSYnV2Wt9hfd/qe1FdRoJcNk3AI3VvA4=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWT8ZHhy7t4Ds/mVCZO+zND//TxarpLt5DMPsUONswKn7 hZlX9vs3VHKwiDGxSArpsji0G4SLrecp2KzUaYGzBxWJpAhDFycAjARhVZGhpV3F29za+zhfN5x 9Dov7/Yox+jqW2klgcnlrxZ87vv75hzDP+37zP2Cezj1uyO0tfbv+7LawWvlzJ8Tlnblc8j5LA7 fww4A X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Make it possible for pseudo filesystems to specify default dentry flags. Signed-off-by: Christian Brauner --- fs/libfs.c | 1 + include/linux/pseudo_fs.h | 1 + 2 files changed, 2 insertions(+) diff --git a/fs/libfs.c b/fs/libfs.c index ce8c496a6940..4bb4d8a313e7 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -680,6 +680,7 @@ static int pseudo_fs_fill_super(struct super_block *s, struct fs_context *fc) s->s_export_op = ctx->eops; s->s_xattr = ctx->xattr; s->s_time_gran = 1; + s->s_d_flags |= ctx->s_d_flags; root = new_inode(s); if (!root) return -ENOMEM; diff --git a/include/linux/pseudo_fs.h b/include/linux/pseudo_fs.h index 2503f7625d65..a651e60d9410 100644 --- a/include/linux/pseudo_fs.h +++ b/include/linux/pseudo_fs.h @@ -9,6 +9,7 @@ struct pseudo_fs_context { const struct xattr_handler * const *xattr; const struct dentry_operations *dops; unsigned long magic; + unsigned int s_d_flags; }; struct pseudo_fs_context *init_pseudo(struct fs_context *fc, -- 2.47.3