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coding style cleanups for drivers/md/mktables.c

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Signed-off-by: Oliver Pinter <oliver.pntr@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oliver Pinter 2008-02-06 01:39:47 -08:00 committed by Linus Torvalds
parent 91c4313206
commit 54212cf405
1 changed files with 83 additions and 79 deletions
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46
drivers/md/mktables.c
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@ -28,11 +28,13 @@ static uint8_t gfmul(uint8_t a, uint8_t b)
{
uint8_t v = 0;
while ( b ) {
if ( b & 1 ) v ^= a;
while (b) {
if (b & 1)
v ^= a;
a = (a << 1) ^ (a & 0x80 ? 0x1d : 0);
b >>= 1;
}
return v;
}
@ -41,14 +43,16 @@ static uint8_t gfpow(uint8_t a, int b)
uint8_t v = 1;
b %= 255;
if ( b < 0 )
if (b < 0)
b += 255;
while ( b ) {
if ( b & 1 ) v = gfmul(v,a);
a = gfmul(a,a);
while (b) {
if (b & 1)
v = gfmul(v, a);
a = gfmul(a, a);
b >>= 1;
}
return v;
}
@ -64,13 +68,12 @@ int main(int argc, char *argv[])
printf("\nconst u8 __attribute__((aligned(256)))\n"
"raid6_gfmul[256][256] =\n"
"{\n");
for ( i = 0 ; i < 256 ; i++ ) {
for (i = 0; i < 256; i++) {
printf("\t{\n");
for ( j = 0 ; j < 256 ; j += 8 ) {
for (j = 0; j < 256; j += 8) {
printf("\t\t");
for ( k = 0 ; k < 8 ; k++ ) {
printf("0x%02x, ", gfmul(i,j+k));
}
for (k = 0; k < 8; k++)
printf("0x%02x, ", gfmul(i, j+k));
printf("\n");
}
printf("\t},\n");
@ -82,13 +85,14 @@ int main(int argc, char *argv[])
printf("\nconst u8 __attribute__((aligned(256)))\n"
"raid6_gfexp[256] =\n"
"{\n");
for ( i = 0 ; i < 256 ; i += 8 ) {
for (i = 0; i < 256; i += 8) {
printf("\t");
for ( j = 0 ; j < 8 ; j++ ) {
for (j = 0; j < 8; j++) {
exptbl[i+j] = v;
printf("0x%02x, ", v);
v = gfmul(v,2);
if ( v == 1 ) v = 0; /* For entry 255, not a real entry */
v = gfmul(v, 2);
if (v == 1)
v = 0; /* For entry 255, not a real entry */
}
printf("\n");
}
@ -98,10 +102,11 @@ int main(int argc, char *argv[])
printf("\nconst u8 __attribute__((aligned(256)))\n"
"raid6_gfinv[256] =\n"
"{\n");
for ( i = 0 ; i < 256 ; i += 8 ) {
for (i = 0; i < 256; i += 8) {
printf("\t");
for ( j = 0 ; j < 8 ; j++ ) {
invtbl[i+j] = v = gfpow(i+j,254);
for (j = 0; j < 8; j++) {
v = gfpow(i+j, 254);
invtbl[i+j] = v;
printf("0x%02x, ", v);
}
printf("\n");
@ -112,11 +117,10 @@ int main(int argc, char *argv[])
printf("\nconst u8 __attribute__((aligned(256)))\n"
"raid6_gfexi[256] =\n"
"{\n");
for ( i = 0 ; i < 256 ; i += 8 ) {
for (i = 0; i < 256; i += 8) {
printf("\t");
for ( j = 0 ; j < 8 ; j++ ) {
for (j = 0; j < 8; j++)
printf("0x%02x, ", invtbl[exptbl[i+j]^1]);
}
printf("\n");
}
printf("};\n\n");