Fix duplicate atomic_t typedef conflicting with types.h
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@@ -0,0 +1,11 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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void md_autodetect_dev(dev_t dev);
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#ifdef CONFIG_BLK_DEV_MD
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void md_run_setup(void);
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#else
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static inline void md_run_setup(void)
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{
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}
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#endif
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@@ -0,0 +1,206 @@
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/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* -*- linux-c -*- ------------------------------------------------------- *
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*
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* Copyright 2003 H. Peter Anvin - All Rights Reserved
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*
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* ----------------------------------------------------------------------- */
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#ifndef LINUX_RAID_RAID6_H
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#define LINUX_RAID_RAID6_H
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#ifdef __KERNEL__
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#include <linux/blkdev.h>
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#include <linux/mm.h>
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/* This should be const but the raid6 code is too convoluted for that. */
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static inline void *raid6_get_zero_page(void)
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{
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return page_address(ZERO_PAGE(0));
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}
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#else /* ! __KERNEL__ */
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/* Used for testing in user space */
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#include <errno.h>
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#include <inttypes.h>
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#include <stddef.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <sys/time.h>
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#include <sys/types.h>
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/* Not standard, but glibc defines it */
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#define BITS_PER_LONG __WORDSIZE
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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#ifndef PAGE_SIZE
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# define PAGE_SIZE 4096
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#endif
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#ifndef PAGE_SHIFT
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# define PAGE_SHIFT 12
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#endif
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extern const char raid6_empty_zero_page[PAGE_SIZE];
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#define __init
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#define __exit
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#ifndef __attribute_const__
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# define __attribute_const__ __attribute__((const))
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#endif
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#define noinline __attribute__((noinline))
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#define preempt_enable()
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#define preempt_disable()
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#define cpu_has_feature(x) 1
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#define enable_kernel_altivec()
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#define disable_kernel_altivec()
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#undef EXPORT_SYMBOL
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#define EXPORT_SYMBOL(sym)
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#undef EXPORT_SYMBOL_GPL
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#define EXPORT_SYMBOL_GPL(sym)
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#define MODULE_LICENSE(licence)
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#define MODULE_DESCRIPTION(desc)
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#define subsys_initcall(x)
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#define module_exit(x)
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#define IS_ENABLED(x) (x)
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#define CONFIG_RAID6_PQ_BENCHMARK 1
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#endif /* __KERNEL__ */
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/* Routine choices */
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struct raid6_calls {
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void (*gen_syndrome)(int, size_t, void **);
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void (*xor_syndrome)(int, int, int, size_t, void **);
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int (*valid)(void); /* Returns 1 if this routine set is usable */
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const char *name; /* Name of this routine set */
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int priority; /* Relative priority ranking if non-zero */
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};
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/* Selected algorithm */
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extern struct raid6_calls raid6_call;
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/* Various routine sets */
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extern const struct raid6_calls raid6_intx1;
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extern const struct raid6_calls raid6_intx2;
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extern const struct raid6_calls raid6_intx4;
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extern const struct raid6_calls raid6_intx8;
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extern const struct raid6_calls raid6_mmxx1;
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extern const struct raid6_calls raid6_mmxx2;
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extern const struct raid6_calls raid6_sse1x1;
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extern const struct raid6_calls raid6_sse1x2;
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extern const struct raid6_calls raid6_sse2x1;
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extern const struct raid6_calls raid6_sse2x2;
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extern const struct raid6_calls raid6_sse2x4;
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extern const struct raid6_calls raid6_altivec1;
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extern const struct raid6_calls raid6_altivec2;
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extern const struct raid6_calls raid6_altivec4;
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extern const struct raid6_calls raid6_altivec8;
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extern const struct raid6_calls raid6_avx2x1;
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extern const struct raid6_calls raid6_avx2x2;
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extern const struct raid6_calls raid6_avx2x4;
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extern const struct raid6_calls raid6_avx512x1;
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extern const struct raid6_calls raid6_avx512x2;
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extern const struct raid6_calls raid6_avx512x4;
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extern const struct raid6_calls raid6_s390vx8;
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extern const struct raid6_calls raid6_vpermxor1;
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extern const struct raid6_calls raid6_vpermxor2;
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extern const struct raid6_calls raid6_vpermxor4;
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extern const struct raid6_calls raid6_vpermxor8;
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extern const struct raid6_calls raid6_lsx;
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extern const struct raid6_calls raid6_lasx;
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extern const struct raid6_calls raid6_rvvx1;
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extern const struct raid6_calls raid6_rvvx2;
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extern const struct raid6_calls raid6_rvvx4;
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extern const struct raid6_calls raid6_rvvx8;
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struct raid6_recov_calls {
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void (*data2)(int, size_t, int, int, void **);
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void (*datap)(int, size_t, int, void **);
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int (*valid)(void);
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const char *name;
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int priority;
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};
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extern const struct raid6_recov_calls raid6_recov_intx1;
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extern const struct raid6_recov_calls raid6_recov_ssse3;
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extern const struct raid6_recov_calls raid6_recov_avx2;
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extern const struct raid6_recov_calls raid6_recov_avx512;
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extern const struct raid6_recov_calls raid6_recov_s390xc;
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extern const struct raid6_recov_calls raid6_recov_neon;
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extern const struct raid6_recov_calls raid6_recov_lsx;
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extern const struct raid6_recov_calls raid6_recov_lasx;
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extern const struct raid6_recov_calls raid6_recov_rvv;
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extern const struct raid6_calls raid6_neonx1;
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extern const struct raid6_calls raid6_neonx2;
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extern const struct raid6_calls raid6_neonx4;
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extern const struct raid6_calls raid6_neonx8;
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/* Algorithm list */
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extern const struct raid6_calls * const raid6_algos[];
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extern const struct raid6_recov_calls *const raid6_recov_algos[];
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int raid6_select_algo(void);
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/* Return values from chk_syndrome */
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#define RAID6_OK 0
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#define RAID6_P_BAD 1
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#define RAID6_Q_BAD 2
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#define RAID6_PQ_BAD 3
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/* Galois field tables */
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extern const u8 raid6_gfmul[256][256] __attribute__((aligned(256)));
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extern const u8 raid6_vgfmul[256][32] __attribute__((aligned(256)));
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extern const u8 raid6_gfexp[256] __attribute__((aligned(256)));
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extern const u8 raid6_gflog[256] __attribute__((aligned(256)));
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extern const u8 raid6_gfinv[256] __attribute__((aligned(256)));
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extern const u8 raid6_gfexi[256] __attribute__((aligned(256)));
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/* Recovery routines */
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extern void (*raid6_2data_recov)(int disks, size_t bytes, int faila, int failb,
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void **ptrs);
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extern void (*raid6_datap_recov)(int disks, size_t bytes, int faila,
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void **ptrs);
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void raid6_dual_recov(int disks, size_t bytes, int faila, int failb,
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void **ptrs);
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/* Some definitions to allow code to be compiled for testing in userspace */
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#ifndef __KERNEL__
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# define jiffies raid6_jiffies()
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# define printk printf
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# define pr_err(format, ...) fprintf(stderr, format, ## __VA_ARGS__)
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# define pr_info(format, ...) fprintf(stdout, format, ## __VA_ARGS__)
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# define GFP_KERNEL 0
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# define __get_free_pages(x, y) ((unsigned long)mmap(NULL, PAGE_SIZE << (y), \
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PROT_READ|PROT_WRITE, \
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MAP_PRIVATE|MAP_ANONYMOUS,\
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0, 0))
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# define free_pages(x, y) munmap((void *)(x), PAGE_SIZE << (y))
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static inline void cpu_relax(void)
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{
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/* Nothing */
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}
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#undef HZ
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#define HZ 1000
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static inline uint32_t raid6_jiffies(void)
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{
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return tv.tv_sec*1000 + tv.tv_usec/1000;
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}
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static inline void *raid6_get_zero_page(void)
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{
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return raid6_empty_zero_page;
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}
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#endif /* ! __KERNEL__ */
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#endif /* LINUX_RAID_RAID6_H */
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@@ -0,0 +1,7 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _XOR_H
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#define _XOR_H
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void xor_gen(void *dest, void **srcs, unsigned int src_cnt, unsigned int bytes);
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#endif /* _XOR_H */
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