From nobody Tue Mar 3 05:07:30 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 8F1A83AE19F; Mon, 2 Mar 2026 20:39:23 +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=1772483963; cv=none; b=KIte3o74PlnCFt6keA98QLLnbTeSZoAYdHZ6xM5gdIrtl/Ea33A+FAfOVs7OxclIVmO//kt1DdA6CgPQNZ6o3IfBNDayLE1RS5PhnsKwyZoXpHluoOs4y2oBV3JATxresblqX4Qaf9RpWykQ5N5LP6vcDWwgRyNRJ/4cuGFXZIM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772483963; c=relaxed/simple; bh=m5qXv8LzTjrrHawpXG4FjY1bAed0fpNbFRdYn+t2iRc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=pYZl0iO/vzSLyrJRxMO81eRToWZ8133m0UvIfAjbPW0ICv4yZvSaISdCgpJv0l976cDx9U9L+JlUC7tK1ra2XjK2VjiQHSyDBHr/o8NfbXQBmgqDOQOdQR+4tpn20xMydgVPefHSLMSp+G5eRo1lLhXoSJe0wpu546QMXr552tI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tWGaH2eI; 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="tWGaH2eI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1720FC2BC9E; Mon, 2 Mar 2026 20:39:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772483963; bh=m5qXv8LzTjrrHawpXG4FjY1bAed0fpNbFRdYn+t2iRc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=tWGaH2eIcCtGq0rj5uXX9kFap7NkcKiDhEc10PxrY8ua/QCr9LbkB3Sb8J6gOA5Dq dO87Cz7Vne8kcK5oUGLznzZ6+roGhrkPGv6EMOeBwhlJXNCXfzB1dIe+jt05hLfts5 h56xMnhkZ/tt3ulE6x9GDMS/D+zAOKhV6LMo2SXyD1pO+aCyJRZWsU991uJKSoZuYa zzw+Vm4VqQAipdWITuMMIITaAYNjGaEd3YWaHeRsvi5qHCFOumortMStpiruRHJTib V+DAun1eGMXdM+R62dFYPRbH3sIjSUUi9NTfRFIFhbL8xUM1O9+S9o9Jpv2xJ7OsAm blcxJcmsMD34g== From: Jeff Layton Date: Mon, 02 Mar 2026 15:24:44 -0500 Subject: [PATCH v2 060/110] vfs: change kino_t from unsigned long to u64 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: <20260302-iino-u64-v2-60-e5388800dae0@kernel.org> References: <20260302-iino-u64-v2-0-e5388800dae0@kernel.org> In-Reply-To: <20260302-iino-u64-v2-0-e5388800dae0@kernel.org> To: Alexander Viro , Christian Brauner , Jan Kara , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Dan Williams , Matthew Wilcox , Eric Biggers , "Theodore Y. Ts'o" , Muchun Song , Oscar Salvador , David Hildenbrand , David Howells , Paulo Alcantara , Andreas Dilger , Jan Kara , Jaegeuk Kim , Chao Yu , Trond Myklebust , Anna Schumaker , Chuck Lever , NeilBrown , Olga Kornievskaia , Dai Ngo , Tom Talpey , Steve French , Ronnie Sahlberg , Shyam Prasad N , Bharath SM , Alexander Aring , Ryusuke Konishi , Viacheslav Dubeyko , Eric Van Hensbergen , Latchesar Ionkov , Dominique Martinet , Christian Schoenebeck , David Sterba , Marc Dionne , Ian Kent , Luis de Bethencourt , Salah Triki , "Tigran A. 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This is the actual type widening of i_ino. All format strings have already been converted to use PRIino, so this change compiles warning-free on both 32-bit and 64-bit architectures. On 64-bit architectures, unsigned long is already 64 bits, so this is effectively a type alias change with no runtime impact. On 32-bit architectures, this widens i_ino from 32 to 64 bits, allowing filesystems like NFS, CIFS, XFS, Ceph, and FUSE to store their native 64-bit inode numbers without folding/hashing. The VFS already handles 64-bit inode numbers in kstat.ino (u64) and statx.stx_ino (__u64). The existing overflow checks in cp_new_stat(), cp_old_stat(), and cp_compat_stat() handle narrowing to 32-bit st_ino with -EOVERFLOW, so userspace ABI is preserved. struct inode will grow by 4 bytes on 32-bit architectures. Signed-off-by: Jeff Layton --- include/linux/fs.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index d0c4789838b5852111583a3e4cced88999496e68..4193817e02e8bf94f29514ca433= 79af21f37ac61 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -758,8 +758,8 @@ struct inode_state_flags { enum inode_state_flags_enum __state; }; =20 -typedef unsigned long kino_t; -#define PRIino "l" +typedef u64 kino_t; +#define PRIino "ll" =20 /* * Keep mostly read-only and often accessed (especially for --=20 2.53.0