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 3A3C71FCC; Tue, 13 Feb 2024 00:18:42 +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=1707783523; cv=none; b=na85pKlSNyNK2uQ0lkXGIQrkQIXlm2CN2CHAvMgEZTgBFUq6VdBqvtb4zpueoBx3z1nYec7oPvAj/n7gTxNdmDez2PDVjtZVSueDLBGZOy7QUBXAP69vK8ZmiSjHjD0AgRKu3HxOAU/cBWSbr14NWEB4VWw5b62GaBSiGNHDv4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707783523; c=relaxed/simple; bh=BoJ6LOeYpR9JZuCngqdOOTDBqOQtR5nqFkA3uXoihWw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HObPgZREXWvUapBXv/NLukX2Zdw0xNNxX8vTns1ZKlO/S+3V+8Y7lBf8/LE5/qEElx8IwRtWcOCaQYyKw6XHML2ylBL62JcgflWWJdOtA48rZAezXIs3tDqlRTDHYq71AYFOTjo+w9P/ewLVLI8DA8xK9igKp37K/O4ReMCcwoE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iBziWRvo; 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="iBziWRvo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0122DC43390; Tue, 13 Feb 2024 00:18:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707783522; bh=BoJ6LOeYpR9JZuCngqdOOTDBqOQtR5nqFkA3uXoihWw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iBziWRvo3YCF3yVBMItZP5ANqdY0C3tXo+uQ1i4LCvm3YToe3c1n8MgCXYESJQAAV qcrRHvCMdBm3znqvhkZO8xD4kBRJtVlJyC9SlKo1MrEnoKdVCagjjE7CmUS2AGmkzV OhUC9zRSM6xi63u7nMkE1d4wHB+sTF5UTfpZOSHxxrROZBks2++8gyN/kWZnQWJHlN +IJDq8XCiVUOhr8ygtjWl7B8TrsiKjJS7WGjS1jpy378mrX1VAEob3lbIcbyUVcvid kCroqzIEhC8MiyovCwNm4VlTFvuOClgp40ckSF982Z+6C3mpSBnlrti015qBV2V9Gu opPvpjf77z4rQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Konstantin Komarov , Sasha Levin , ntfs3@lists.linux.dev Subject: [PATCH AUTOSEL 6.7 03/58] fs/ntfs3: Improve ntfs_dir_count Date: Mon, 12 Feb 2024 19:17:09 -0500 Message-ID: <20240213001837.668862-3-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240213001837.668862-1-sashal@kernel.org> References: <20240213001837.668862-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.7.4 Content-Transfer-Encoding: 8bit From: Konstantin Komarov [ Upstream commit 6a799c928b78b14999b7705c4cca0f88e297fe96 ] Signed-off-by: Konstantin Komarov Signed-off-by: Sasha Levin --- fs/ntfs3/dir.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/fs/ntfs3/dir.c b/fs/ntfs3/dir.c index 22ede4da0450..726122ecd39b 100644 --- a/fs/ntfs3/dir.c +++ b/fs/ntfs3/dir.c @@ -515,11 +515,9 @@ static int ntfs_dir_count(struct inode *dir, bool *is_empty, size_t *dirs, struct INDEX_HDR *hdr; const struct ATTR_FILE_NAME *fname; u32 e_size, off, end; - u64 vbo = 0; size_t drs = 0, fles = 0, bit = 0; - loff_t i_size = ni->vfs_inode.i_size; struct indx_node *node = NULL; - u8 index_bits = ni->dir.index_bits; + size_t max_indx = ni->vfs_inode.i_size >> ni->dir.index_bits; if (is_empty) *is_empty = true; @@ -563,7 +561,7 @@ static int ntfs_dir_count(struct inode *dir, bool *is_empty, size_t *dirs, fles += 1; } - if (vbo >= i_size) + if (bit >= max_indx) goto out; err = indx_used_bit(&ni->dir, ni, &bit); @@ -573,8 +571,7 @@ static int ntfs_dir_count(struct inode *dir, bool *is_empty, size_t *dirs, if (bit == MINUS_ONE_T) goto out; - vbo = (u64)bit << index_bits; - if (vbo >= i_size) + if (bit >= max_indx) goto out; err = indx_read(&ni->dir, ni, bit << ni->dir.idx2vbn_bits, @@ -584,7 +581,6 @@ static int ntfs_dir_count(struct inode *dir, bool *is_empty, size_t *dirs, hdr = &node->index->ihdr; bit += 1; - vbo = (u64)bit << ni->dir.idx2vbn_bits; } out: -- 2.43.0