btrfs: move math functions to misc.h (784352fe) · Commits · 戴 / test

fs/btrfs/block-group.c

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Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0

		#include "misc.h"
		#include "ctree.h"
		#include "block-group.h"
		#include "space-info.h"
		@@ -13,7 +14,6 @@
		#include "sysfs.h"
		#include "tree-log.h"
		#include "delalloc-space.h"
		#include "math.h"

		/*
		* Return target flags in extended format or 0 if restripe for this chunk_type

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		// SPDX-License-Identifier: GPL-2.0

		#include "misc.h"
		#include "ctree.h"
		#include "block-rsv.h"
		#include "space-info.h"
		#include "math.h"
		#include "transaction.h"

		static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info,

+0 −1

deleted100644 → 0

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		/* SPDX-License-Identifier: GPL-2.0 */
		/*
		* Copyright (C) 2012 Fujitsu. All rights reserved.
		* Written by Miao Xie <miaox@cn.fujitsu.com>
		*/

		#ifndef BTRFS_MATH_H
		#define BTRFS_MATH_H

		#include <asm/div64.h>

		static inline u64 div_factor(u64 num, int factor)
		{
		if (factor == 10)
		return num;
		num *= factor;
		return div_u64(num, 10);
		}

		static inline u64 div_factor_fine(u64 num, int factor)
		{
		if (factor == 100)
		return num;
		num *= factor;
		return div_u64(num, 100);
		}

		#endif

+17 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,7 @@

		#include <linux/sched.h>
		#include <linux/wait.h>
		#include <asm/div64.h>

		#define in_range(b, first, len) ((b) >= (first) && (b) < (first) + (len))

		@@ -30,4 +31,20 @@ static inline void cond_wake_up_nomb(struct wait_queue_head *wq)
		wake_up(wq);
		}

		static inline u64 div_factor(u64 num, int factor)
		{
		if (factor == 10)
		return num;
		num *= factor;
		return div_u64(num, 10);
		}

		static inline u64 div_factor_fine(u64 num, int factor)
		{
		if (factor == 100)
		return num;
		num *= factor;
		return div_u64(num, 100);
		}

		#endif