From nobody Sat Feb 7 21:20:27 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 0B4B2227B8E; Wed, 2 Apr 2025 03:27:00 +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=1743564421; cv=none; b=GlUHA0cH/mnJc81IKsVRNf16gX7nWkNWPlqQbLw8+RqxHgemFSTXrdkSumTb/1hZAchpCwO+TWXpdpMBoohDeQWVZSLaT5saHTxnUMAvZPurH6w4MRZ4pGqu0tApGdLitRkuxvo6FX8gXMjxCAMySUDC4Cy+I1/UHr74ZtHKXk8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743564421; c=relaxed/simple; bh=vt5hmw1z6p3BkhBofk+q1jJoMY+sk9Nnoin03Tn/75o=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=gz+EIvzaRjOKcW6ifQ1cvPeI9GwmacsM88seWA4cJwinWWf/AC3rLhYwSFzfiiBknxjVf8X8fsWPwWVVQsDD53ax840k3t51E1Z1vMks4E7DoHunlBU7jJ8UErvL/S8rMtd4sICryZABCc2lgCUCMeLlX5WLhREQTy23Hhw8DKc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=m/ITZ3Oc; 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="m/ITZ3Oc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 586C8C4CEDD; Wed, 2 Apr 2025 03:27:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743564420; bh=vt5hmw1z6p3BkhBofk+q1jJoMY+sk9Nnoin03Tn/75o=; h=From:To:Cc:Subject:Date:From; b=m/ITZ3Oc9vJRgfknje++6RgyFcwCekv/Oe+lIMIu4eLpbec3KT1vFbNGTsTg6Bnje 5estcdXvh3fD2abPrksCwODc0BfhGRG2xF90mrkOOXVGLg0igMxdWZHN43w9hWPUxv mEXHptvoeBDQakoh0PCno1RBTNYNgkvI4HO+QD4YnZh9/l1eSsKg+pzcEJ0/nvufaZ 03wiPxuCgHCu3CyLTgnkp8FiThq1DqjWyUvwWQlDrc6kJChkk7BTGcrj4aY2HujB0+ F7vcpsFUmVT00NPnATSpzhV8ogKwlY5h4895UgBZ6+1l7tWROPJeqBPOrWv1mKDL+e ywhsQtwDDDPxA== From: Eric Biggers To: Kent Overstreet , linux-bcachefs@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Matthew Wilcox Subject: [PATCH] bcachefs: add missing selection of XARRAY_MULTI Date: Tue, 1 Apr 2025 20:26:48 -0700 Message-ID: <20250402032648.266034-1-ebiggers@kernel.org> X-Mailer: git-send-email 2.49.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Eric Biggers When CONFIG_XARRAY_MULTI is not set, reading from a bcachefs file hits the 'BUG_ON(order > 0);' in xas_set_order(), because it tries to insert a large folio in the page cache. Fix this by making bcachefs select XARRAY_MULTI. Fixes: be212d86b19c ("bcachefs: bs > ps support") Signed-off-by: Eric Biggers --- I'm not entirely sure this is the correct fix; if it's not, please treat this as a bug report... fs/bcachefs/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/bcachefs/Kconfig b/fs/bcachefs/Kconfig index c9798750202d3..bf1c94e51dd06 100644 --- a/fs/bcachefs/Kconfig +++ b/fs/bcachefs/Kconfig @@ -24,10 +24,11 @@ config BCACHEFS_FS select XOR_BLOCKS select XXHASH select SRCU select SYMBOLIC_ERRNAME select MIN_HEAP + select XARRAY_MULTI help The bcachefs filesystem - a modern, copy on write filesystem, with support for multiple devices, compression, checksumming, etc. =20 config BCACHEFS_QUOTA base-commit: 88eeda35f19bab3a247ca25d99bc82ac710bc09f --=20 2.49.0