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Ira WeinyandDave Jiang
66418687ac
range_contains() does not modify the range values. David suggested it is safer to keep those parameters as const.[1] Make range parameters const Link: https://lore.kernel.org/all/20241008161032.GB1609@twin.jikos.cz/ [1] Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: David Sterba <dsterba@suse.com> Link: https://patch.msgid.link/20241010-const-range-v1-1-afb6e4bfd8ce@intel.com Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
36 lines
761 B
C
36 lines
761 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_RANGE_H
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#define _LINUX_RANGE_H
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#include <linux/types.h>
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struct range {
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u64 start;
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u64 end;
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};
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static inline u64 range_len(const struct range *range)
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{
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return range->end - range->start + 1;
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}
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static inline bool range_contains(const struct range *r1,
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const struct range *r2)
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{
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return r1->start <= r2->start && r1->end >= r2->end;
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}
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int add_range(struct range *range, int az, int nr_range,
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u64 start, u64 end);
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int add_range_with_merge(struct range *range, int az, int nr_range,
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u64 start, u64 end);
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void subtract_range(struct range *range, int az, u64 start, u64 end);
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int clean_sort_range(struct range *range, int az);
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void sort_range(struct range *range, int nr_range);
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#endif
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