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 3E29144C97; Sun, 1 Sep 2024 16:20:58 +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=1725207658; cv=none; b=PXTx1/BbIIpRbIbheCtpT2MZdh5Esv6DWvxYddpaeroRPAHT0OnJ8B7GB016rGWZYWLceOvpKjeIj70PXMQi4JJ4MXmX7HQD85ncvs3d8CgK/NhaRW1OODvjBKUUXX+bixBwofp76kCHHwkRrBIDkNhZs8J6z17fSBjQojvSoTI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725207658; c=relaxed/simple; bh=kU+0+RapXi5Oul8uhZGsV3634GPRs5Ka6/nfU03YsoA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MI9nB6ml/WvyeUllG7ZwQROUHI6IsDKvqKDl7YcAIKfBbPYGbP0whDZf4tC8DY5mZDcADt2CyNlm7Sgm3afhRLi9gUYRg1/B5vG/DPvXeGYU1WtlsTcMKx+heUj7BCts1opbWt3W/1LbU/3xWKRVlIL+4LAaSnPgRESAFv0MjS4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=llsSw8D7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="llsSw8D7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9DECBC4CEC3; Sun, 1 Sep 2024 16:20:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725207658; bh=kU+0+RapXi5Oul8uhZGsV3634GPRs5Ka6/nfU03YsoA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=llsSw8D7HQ/RTpuPq2hPVAFswB+6qDT4Va1xTEYTCXze3iNEsJAq+2yu6NXjv1trR XwnVRdEiiZhlLupknUcT1Gqsx6xAGLP3qeSpTACUJ//3ZHn0oYyWZmhMAljoDoKyAa bQAZNS9TPxDOfRZkbFBhkxuZe95T7wAvUn7RgTgc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, David Sterba , Sasha Levin Subject: [PATCH 4.19 39/98] btrfs: delete pointless BUG_ON check on quota root in btrfs_qgroup_account_extent() Date: Sun, 1 Sep 2024 18:16:09 +0200 Message-ID: <20240901160805.174327721@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240901160803.673617007@linuxfoundation.org> References: <20240901160803.673617007@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: David Sterba [ Upstream commit f40a3ea94881f668084f68f6b9931486b1606db0 ] The BUG_ON is deep in the qgroup code where we can expect that it exists. A NULL pointer would cause a crash. It was added long ago in 550d7a2ed5db35 ("btrfs: qgroup: Add new qgroup calculation function btrfs_qgroup_account_extents()."). It maybe made sense back then as the quota enable/disable state machine was not that robust as it is nowadays, so we can just delete it. Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- fs/btrfs/qgroup.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index ef95525fa6cdf..770e6f652a1e5 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2095,8 +2095,6 @@ int btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, u64 bytenr, if (nr_old_roots == 0 && nr_new_roots == 0) goto out_free; - BUG_ON(!fs_info->quota_root); - trace_btrfs_qgroup_account_extent(fs_info, trans->transid, bytenr, num_bytes, nr_old_roots, nr_new_roots); -- 2.43.0