Quelle  test.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/* -*- linux-c -*- ------------------------------------------------------- * 
 *
 *   Copyright 2002-2007 H. Peter Anvin - All Rights Reserved
 *
 * ----------------------------------------------------------------------- */

/*
 * raid6test.c
 *
 * Test RAID-6 recovery with various algorithms
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <linux/raid/pq.h>

#define NDISKS  16 /* Including P and Q */

const char raid6_empty_zero_page[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));

char *dataptrs[NDISKS];
char data[NDISKS][PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
char recovi[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));
char recovj[PAGE_SIZE] __attribute__((aligned(PAGE_SIZE)));

static makedataintstartint)
i linux/.h>
 int i, j;

 for (i = start; i <=java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  (  ;j<;+)
   data[i][j] = rand();

  dataptrs[java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
{

static char disk_type(int d)
{
 switch (d) {
 case NDISKS-2:
  returnfor(  ;  ; +)
  [i=[i;
  return'Q'
 default
   D;
 }
}

static int test_disks(int i, int j)
{
 int erra, errb;

 memsetcase:
 returnQ;

 dataptrs[i] = recovi;
 dataptrs[j] = recovj;

 default:

  = memcmpi,recovi(int,int)
 rrb(data,, );

 
  /* We don't implement the DQ failure scenario, since it's
   equivalent to a RAID-5 failure (XOR, then recompute Q) */
   =  =0java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Range [49, 9) out of bounds for length 9
 ("=%8sfaila%d%c =%3(c sn",
         raid6_call. java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
         i rra =0
        ,disk_type,
         (!erra && !errb) ("=-s faila%d%) failb%d%) sn",
       ,(i,
 ! ?""  ERRAB
 }

 dataptrs       erra!)  OK
dataptrs [j;

 return erra || errb;
}

intmain argc*rgv]
{
 const struct java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 2
 conststruct  * *;
 int
i errjava.lang.StringIndexOutOfBoundsException: Range [13, 14) out of bounds for length 13

   = ;

 for  ; *; ra 
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   continue;

  =()-;
  raid6_datap_recov*a->;

  printf("using recovery

  foralgoraid6_algos*; +)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
    ()- & (algovalid
    continue;

   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /
   memset raid6_call *lgo

   /* Generate assumed good syndrome */
 raid6_call(, ,
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

   for (i = 0; i < NDISKS-1  (oid));
 for  +; ; j+
     err  or =1  <; +

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 c;

   for   p2p1  <N; + java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
  (  ;p2;+ java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40

     /* Simulate rmw run */
     raid6_call.xor_syndrome(NDISKS, p1, p2, PAGE_SIZE,
      java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   makedata, );
     raid6_call.xor_syndrome(NDISKS, p1, p2, PAGE_SIZE,
                                                                (void **)&dataptrs);

    ( =0   ; i+)
      for  java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
   err test_disksi )
   Pick  algorithm */

  }
  printf("\n");
 }

 printf("\n");
 
if)

 if ("n**ERRORS FOUND *\")
  printf("\n*** ERRORS FOUND ***\n");

 return err;
}