From nobody Tue Apr 7 21:23:56 2026 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 8F3601E7660; Wed, 11 Mar 2026 21:56:32 +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=1773266192; cv=none; b=Jx/G4X54WJb2n+/2sdcftxL2rZlp1yXs0CL+8sXqreuv+mIj/Pu8uwr0EnCLDW0ICWxes5sUScAkFNyf4Ct5sLtvyVsxOJKfcGNPvp0BOZ6xKqoSg43tDYvpzVdgwWuhjkqobXFCeer+esxQQAnCymdFLF8UZ16SNrmwlZT5Exw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773266192; 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=nl8PoztYT5qNv6ni3Vo08zV7u0gl2W/+ZbC+pRt8hwExJrXL4g6jlEAkth+KVMtVxSbOPbB8JyM5pyVme6kNyHojKOQvsoGy7Eq/akTEhggC6u9wmy6B7rLv3CGCldlt6U8bQJnMzu76exU1G3/Mj1XVHHm6B3mHmZqqbXPGkdg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZwCnWaPv; 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="ZwCnWaPv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43F8FC19425; Wed, 11 Mar 2026 21:56:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773266192; bh=BkzEXSS/aDyD/0RcykK+9iDod6MNEZ0v8zFBHEaX1Bk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ZwCnWaPvq5AHnnngvOsk11RmYjzfguwpJSnN3uwM/0P9IE9Om4MvP4mbegmWi3A6Z F6BaB5xOU7AG14zApLiU6T+iOFSK+Dle1iHWwEGYFXAp04XRlBFFolS7JQJglhG/Y/ EJTUABKDCWEagg5Ff+8OokgzhRDiyZ0/Bzn/I9FGhh3sx1QwjRj3tLDP1dQwltn1WX DN/3MeHium5ZIWWNncv5K7C93pgm0PHV7Mk0nvwd9FSI9UL78zn3LlA5T7ME7cIKAt ccXS2RfnK9Cr+b3LG1fOImPE2EzS/eHYRDCRvqba7tklN5njOrZlFA6CTghBz4vf8/ HzOGmRzw5G2TQ== From: Christian Brauner Date: Wed, 11 Mar 2026 22:43:51 +0100 Subject: [PATCH RFC v3 08/26] scsi: target: use scoped_with_init_fs() for ALUA 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: quoted-printable Message-Id: <20260311-work-kthread-nullfs-v3-8-3dd2cbe92ad0@kernel.org> References: <20260311-work-kthread-nullfs-v3-0-3dd2cbe92ad0@kernel.org> In-Reply-To: <20260311-work-kthread-nullfs-v3-0-3dd2cbe92ad0@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: Linus Torvalds , linux-kernel@vger.kernel.org, Alexander Viro , Jens Axboe , Jan Kara , Tejun Heo , Jann Horn , Christian Brauner X-Mailer: b4 0.15-dev-9fd7c 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=owGbwMvMwCU28Zj0gdSKO4sYT6slMWRufPIjI85+V+n7/SEbJsveixCX53tntn9DWF+CXK/UJ MGXdziyOkpZGMS4GGTFFFkc2k3C5ZbzVGw2ytSAmcPKBDKEgYtTACaiysTIsCdy2sN/c8r4D1iZ PGdadGTG7v+rV3Rrz/KXiPJMUUuczcjwP2OP0+1/CnPXSPB/EYyJ0//xV8H2VTWr33pzP5sQo5s WXAA= 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() =E2=86=90 core_alua_update_tpg_primary_metad= ata() =E2=86=90 core_alua_do_transition_tg_pt() =E2=86=90 target_queued_submit_wo= rk() =E2=86=90 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 =20 @@ -856,10 +857,13 @@ static int core_alua_write_tpg_metadata( unsigned char *md_buf, u32 md_buf_len) { - struct file *file =3D filp_open(path, O_RDWR | O_CREAT | O_TRUNC, 0600); + struct file *file; loff_t pos =3D 0; int ret; =20 + scoped_with_init_fs() + file =3D 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; --=20 2.47.3