bf743c4cf8
We won't actually use the async code in progs, however we call the helpers and such all over the normal code, so sync this into btrfs-progs to make syncing other parts of the kernel easier. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: David Sterba <dsterba@suse.com>
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __INTERNAL_H__
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#define __INTERNAL_H__
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/*
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* max/min macro
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*/
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#define min(x,y) ({ \
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typeof(x) _x = (x); \
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typeof(y) _y = (y); \
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(void) (&_x == &_y); \
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_x < _y ? _x : _y; })
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#define max(x,y) ({ \
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typeof(x) _x = (x); \
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typeof(y) _y = (y); \
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(void) (&_x == &_y); \
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_x > _y ? _x : _y; })
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#define min_t(type,x,y) \
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({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
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#define max_t(type,x,y) \
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({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
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#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi)
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#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi)
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#endif
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