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Rafactors again with some minor changes.

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This commit is contained in:
Andrea Mazzoleni 2014-01-01 20:38:19 +01:00
parent e01b88b72b
commit 3be88162b9
3 changed files with 55 additions and 37 deletions
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54
raid/module.c
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@ -16,6 +16,9 @@
#include "memory.h"
#include "cpu.h"
/*
* Initializes and selects the best algorithm.
*/
void raid_init(void)
{
raid_par3_ptr = raid_par3_int8;
@ -109,10 +112,15 @@ void raid_par_ref(int nd, int np, size_t size, void **vv)
}
}
/**
* Number of data disks to test.
/*
* Size of the blocks to test.
*/
#define TEST_DATA_MAX 8
#define TEST_SIZE PAGE_SIZE
/*
* Number of data blocks to test.
*/
#define TEST_COUNT (65536 / TEST_SIZE)
/*
* Parity generation test.
@ -120,7 +128,7 @@ void raid_par_ref(int nd, int np, size_t size, void **vv)
static int raid_test_par(int nd, int np, size_t size, void **v, void **ref)
{
int i;
void *t[TEST_DATA_MAX + RAID_PARITY_MAX];
void *t[TEST_COUNT + RAID_PARITY_MAX];
/* setup data */
for (i = 0; i < nd; ++i)
@ -146,7 +154,7 @@ static int raid_test_par(int nd, int np, size_t size, void **v, void **ref)
static int raid_test_rec(int nrd, int *id, int nrp, int *ip, int nd, int np, size_t size, void **v, void **ref)
{
int i, j;
void *t[TEST_DATA_MAX + RAID_PARITY_MAX];
void *t[TEST_COUNT + RAID_PARITY_MAX];
/* setup data */
for (i = 0, j = 0; i < nd; ++i) {
@ -183,18 +191,19 @@ static int raid_test_rec(int nrd, int *id, int nrp, int *ip, int nd, int np, siz
*/
int raid_selftest(void)
{
const int nd = TEST_DATA_MAX;
const int nd = TEST_COUNT;
const size_t size = TEST_SIZE;
const int nv = nd + RAID_PARITY_MAX * 2 + 1;
const size_t size = 4096;
void *v_alloc;
void **v;
void *ref[nd + RAID_PARITY_MAX];
int id[RAID_PARITY_MAX];
int ip[RAID_PARITY_MAX];
int i, np;
int ret = 0;
/* ensure to have enough space for data */
BUG_ON(TEST_DATA_MAX * size > 65536);
BUG_ON(nd * size > 65536);
v = raid_malloc_vector(nd, nv, size, &v_alloc);
if (!v)
@ -216,20 +225,18 @@ int raid_selftest(void)
/* test for each parity level */
for (np = 1; np <= RAID_PARITY_MAX; ++np) {
int r;
/* test parity generation */
r = raid_test_par(nd, np, size, v, ref);
if (r != 0)
return r;
ret = raid_test_par(nd, np, size, v, ref);
if (ret != 0)
return ret;
/* test recovering with full broken data disks */
for (i = 0; i < np; ++i)
id[i] = nd - np + i;
r = raid_test_rec(np, id, 0, ip, nd, np, size, v, ref);
if (r != 0)
return r;
ret = raid_test_rec(np, id, 0, ip, nd, np, size, v, ref);
if (ret != 0)
goto bail;
/* test recovering with half broken data and ending parity */
for (i = 0; i < np / 2; ++i)
@ -238,9 +245,9 @@ int raid_selftest(void)
for (i = 0; i < (np + 1) / 2; ++i)
ip[i] = np - np / 2 + i;
r = raid_test_rec(np / 2, id, np / 2, ip, nd, np, size, v, ref);
if (r != 0)
return r;
ret = raid_test_rec(np / 2, id, np / 2, ip, nd, np, size, v, ref);
if (ret != 0)
goto bail;
/* test recovering with half broken data and leading parity */
for (i = 0; i < np / 2; ++i)
@ -249,14 +256,15 @@ int raid_selftest(void)
for (i = 0; i < (np + 1) / 2; ++i)
ip[i] = i;
r = raid_test_rec(np / 2, id, np / 2, ip, nd, np, size, v, ref);
if (r != 0)
return r;
ret = raid_test_rec(np / 2, id, np / 2, ip, nd, np, size, v, ref);
if (ret != 0)
goto bail;
}
bail:
free(v_alloc);
return 0;
return ret;
}
static struct raid_func {