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 363B03B9D99; Mon, 1 Jun 2026 13:57:16 +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=1780322237; cv=none; b=ff34z4pbgTQkj3LCi1wD5aLvsiSePW3+CWO7Q5rPEZUbdQ4fsI/4y3FcqN0hSfBzl0bBoNBkOafhaNilpay8xgYYQlvOrCS33nQzn2vxDw777g5+HAoWg5+FmTG4JJALmkhcBY8Wzq6gD1Lq+afSmj9Fk5KEx4lhVNnpPmVKlqo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780322237; c=relaxed/simple; bh=tiQzRYTzrap/7+7fUVwKS26HiHi+4R0kpQPA215DbkI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=SlR13+cdZUhEnt3EK+5MwIUbSMko5bgTgE+U2nBz84eVeJNsgfhUZg02y/YO/swyza6Leq922KJ1y/Nhh30O2gLGCQNCuKer06qSqcu+IRL1vaimHvpCNpZFyqHg6Vb3PnIqBiq4mvWH/nQfeyummKSfOJWoeIJzvGRdHIUXwXU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VcTjZILA; 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="VcTjZILA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 791731F00898; Mon, 1 Jun 2026 13:57:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780322236; bh=ZDUB9cWFMbzzGx0q1kg2mHoWerfNpvgnOShY0yeONws=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=VcTjZILADWd/2SiJynkVrerv+zmRMuRM6AxUqTRB03bZRlR+MlxyODxMcQ4pLJ4l6 pyI6qR8nfoxFJFGmWmPVtcMDG7T84UboaZZTgdZIqnNmoJ1UOF8fFHFk9UOLs6bWNP ERYbN9XnIYna/cxz/4nzPmnT5asTcZKUz0Dk2ScWrA5WOdtHDjPEPJlHGYct+20wxh HT0gjxP/pW7cuOmMEjzHNlQxG+3WaG0pDRpcFQQxn1q8OXBmagcNDveINoUG+KZAJo Jn6xMyv3lIZDMEONjYnzKrrVnstYLpjU3foaJA7FZdlS0F0enxz84yJSL3xUDW4A8y 5q8yo4AdPhEpQ== From: Christian Brauner Date: Mon, 01 Jun 2026 15:56:42 +0200 Subject: [PATCH RFC v4 09/25] scsi: target: use scoped_with_init_fs() for APTPL metadata 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: 8bit Message-Id: <20260601-work-kthread-nullfs-v4-9-77ee053060e0@kernel.org> References: <20260601-work-kthread-nullfs-v4-0-77ee053060e0@kernel.org> In-Reply-To: <20260601-work-kthread-nullfs-v4-0-77ee053060e0@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Linus Torvalds , linux-kernel@vger.kernel.org, Alexander Viro , Jan Kara , Jann Horn , "Christian Brauner (Amutable)" X-Mailer: b4 0.16-dev-fffa9 X-Developer-Signature: v=1; a=openpgp-sha256; l=1210; i=brauner@kernel.org; h=from:subject:message-id; bh=tiQzRYTzrap/7+7fUVwKS26HiHi+4R0kpQPA215DbkI=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWTJ9i/zsIqX/LAxK2zLaV5pkdTLF/Ti9vW/lJNZYrf4T 5rgr16rjlIWBjEuBlkxRRaHdpNwueU8FZuNMjVg5rAygQxh4OIUgIk8u83wv/jTrGPRVvLigq9W 7w7cN/2b7wmLmkDZUh/VU7O/Me9/fJrhn/qSVTnnXzzO37Po//UVLm4R93gzl/a0CHmxn3q9mXu 1Pj8A X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Use scoped_with_init_fs() to temporarily override current->fs for the filp_open() call in __core_scsi3_write_aptpl_to_file() so the path lookup happens in init's filesystem context. __core_scsi3_write_aptpl_to_file() ← core_scsi3_update_and_write_aptpl() ← PR command handlers ← target_queued_submit_work() ← kworker Signed-off-by: Christian Brauner (Amutable) --- drivers/target/target_core_pr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 11790f2c5d80..cfd949e7a095 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -1969,7 +1970,8 @@ static int __core_scsi3_write_aptpl_to_file( if (!path) return -ENOMEM; - file = filp_open(path, flags, 0600); + scoped_with_init_fs() + file = filp_open(path, flags, 0600); if (IS_ERR(file)) { pr_err("filp_open(%s) for APTPL metadata" " failed\n", path); -- 2.47.3