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 92A60346E7D; Thu, 5 Mar 2026 23:30:33 +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=1772753433; cv=none; b=dlF7FXczt13wRANubbYxrxfCrnJhuCs1G+l5qOp6ZKqCBdx+QFn72M4++aDldgTdOWImvNP/ptbRnWAZOhCmXzUMA/1qIcAeu8FXTtYJlIP5yjbr0OHjZ5wfdKgHaDUF5hPI+p1MGW9JIhxCGn3+RaBadbRXwPDloZddzQYgcjk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772753433; c=relaxed/simple; bh=BkzEXSS/aDyD/0RcykK+9iDod6MNEZ0v8zFBHEaX1Bk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=XWCbqtOoiMMVrQnDxSJzoVbcCQsv3iebqVpxugxbGR6u82CwQet3YijJdeL6bbCYb57mT7jvJOOdzw2yA2o/tUsIsmR0vQFG5s/lsvsVSvno2rzYjnpJ5qTJQDl4iL+u6z2MopMQYb5njnwD2O7O1vo2ttnwruA5FrKyLte5rAc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ujwOcZVf; 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="ujwOcZVf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7713DC2BC9E; Thu, 5 Mar 2026 23:30:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772753433; bh=BkzEXSS/aDyD/0RcykK+9iDod6MNEZ0v8zFBHEaX1Bk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ujwOcZVfWBoUIlAjZe1ivZpLIenFzt+MmFOa4xbzisCbtwhTHAQPV5dduAZQ+NG2k NqEJ8jiM7l5bzMpOc/mUGfLuxjmnS06AwY2R3+jbsa98JWV7EMOt5PQ6H0hpx1lKS/ 06sKMzmUArqGjwgAwWrH16AilswszH7QtynePdKwQPNpnQeaKDcOLiws/QgORhV+wH YKsNGXc/IPqw57tjiJ0SIJS1LMuzNk4Gx/02ZanCqpeim9h9G1yQCiIAzNcClTm78x 1OCDKzXVk156is46+Ku36Yn4jF/E3OcfMCf81cxmCwYESR7Fn9VK4cGpkLC67i8vYZ aJ75kNMnNq3dA== From: Christian Brauner Date: Fri, 06 Mar 2026 00:30:08 +0100 Subject: [PATCH RFC v2 05/23] scsi: target: use scoped_with_init_fs() for ALUA metadata Precedence: bulk X-Mailing-List: linux-fsdevel@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: <20260306-work-kthread-nullfs-v2-5-ad1b4bed7d3e@kernel.org> References: <20260306-work-kthread-nullfs-v2-0-ad1b4bed7d3e@kernel.org> In-Reply-To: <20260306-work-kthread-nullfs-v2-0-ad1b4bed7d3e@kernel.org> To: linux-fsdevel@vger.kernel.org, Linus Torvalds Cc: linux-kernel@vger.kernel.org, Alexander Viro , Jens Axboe , Jan Kara , Tejun Heo , Jann Horn , Christian Brauner X-Mailer: b4 0.15-dev-47773 X-Developer-Signature: v=1; a=openpgp-sha256; l=1383; i=brauner@kernel.org; h=from:subject:message-id; bh=BkzEXSS/aDyD/0RcykK+9iDod6MNEZ0v8zFBHEaX1Bk=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWSuEuKs1urKveXZKGOwKiNIQvnDLo34KyWXryntqDN7y dZrk9/XUcrCIMbFICumyOLQbhIut5ynYrNRpgbMHFYmkCEMXJwCMJFp+gz/FHeVXJwl3hW4kP+O hdps83emufpJPItkV8/W9BC9pVDgx8gwNdRPtPLmOesqSYdeCcNEzsUHpjjtTFR4yFz5xGXVLEY eAA== 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_alua_write_tpg_metadata() so the path lookup happens in init's filesystem context. core_alua_write_tpg_metadata() ← core_alua_update_tpg_primary_metadata() ← core_alua_do_transition_tg_pt() ← target_queued_submit_work() ← kworker (target submission workqueue) Signed-off-by: Christian Brauner --- drivers/target/target_core_alua.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 10250aca5a81..fde88642a43a 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -856,10 +857,13 @@ static int core_alua_write_tpg_metadata( unsigned char *md_buf, u32 md_buf_len) { - struct file *file = filp_open(path, O_RDWR | O_CREAT | O_TRUNC, 0600); + struct file *file; loff_t pos = 0; int ret; + scoped_with_init_fs() + file = filp_open(path, O_RDWR | O_CREAT | O_TRUNC, 0600); + if (IS_ERR(file)) { pr_err("filp_open(%s) for ALUA metadata failed\n", path); return -ENODEV; -- 2.47.3