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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
md: raid6: Fix mktable.c
Make both mktables.c and its output CodingStyle compliant. Update the
copyright notice.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
authored by
H. Peter Anvin
and committed by
Linus Torvalds
98ec302b
54212cf4
+17
-26
+17
-26
drivers/md/mktables.c
+17
-26
drivers/md/mktables.c
···
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#ident "$Id: mktables.c,v 1.2 2002/12/12 22:41:27 hpa Exp $"
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/* ----------------------------------------------------------------------- *
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/* -*- linux-c -*- ------------------------------------------------------- *
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*
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* Copyright 2002 H. Peter Anvin - All Rights Reserved
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* Copyright 2002-2007 H. Peter Anvin - All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, Inc., 53 Temple Place Ste 330,
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* Bostom MA 02111-1307, USA; either version 2 of the License, or
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* (at your option) any later version; incorporated herein by reference.
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* This file is part of the Linux kernel, and is made available under
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* the terms of the GNU General Public License version 2 or (at your
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* option) any later version; incorporated herein by reference.
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*
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* ----------------------------------------------------------------------- */
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···
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for (j = 0; j < 256; j += 8) {
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printf("\t\t");
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for (k = 0; k < 8; k++)
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printf("0x%02x, ", gfmul(i, j+k));
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printf("\n");
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printf("0x%02x,%c", gfmul(i, j + k),
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(k == 7) ? '\n' : ' ');
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}
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printf("\t},\n");
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}
···
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/* Compute power-of-2 table (exponent) */
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v = 1;
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printf("\nconst u8 __attribute__((aligned(256)))\n"
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"raid6_gfexp[256] =\n"
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"{\n");
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"raid6_gfexp[256] =\n" "{\n");
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for (i = 0; i < 256; i += 8) {
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printf("\t");
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for (j = 0; j < 8; j++) {
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exptbl[i+j] = v;
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printf("0x%02x, ", v);
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exptbl[i + j] = v;
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printf("0x%02x,%c", v, (j == 7) ? '\n' : ' ');
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v = gfmul(v, 2);
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if (v == 1)
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v = 0; /* For entry 255, not a real entry */
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}
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printf("\n");
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}
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printf("};\n");
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/* Compute inverse table x^-1 == x^254 */
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printf("\nconst u8 __attribute__((aligned(256)))\n"
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"raid6_gfinv[256] =\n"
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"{\n");
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"raid6_gfinv[256] =\n" "{\n");
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for (i = 0; i < 256; i += 8) {
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printf("\t");
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for (j = 0; j < 8; j++) {
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v = gfpow(i+j, 254);
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invtbl[i+j] = v;
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printf("0x%02x, ", v);
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invtbl[i + j] = v = gfpow(i + j, 254);
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printf("0x%02x,%c", v, (j == 7) ? '\n' : ' ');
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}
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printf("\n");
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}
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printf("};\n");
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/* Compute inv(2^x + 1) (exponent-xor-inverse) table */
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printf("\nconst u8 __attribute__((aligned(256)))\n"
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"raid6_gfexi[256] =\n"
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"{\n");
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"raid6_gfexi[256] =\n" "{\n");
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for (i = 0; i < 256; i += 8) {
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printf("\t");
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for (j = 0; j < 8; j++)
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printf("0x%02x, ", invtbl[exptbl[i+j]^1]);
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printf("\n");
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printf("0x%02x,%c", invtbl[exptbl[i + j] ^ 1],
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(j == 7) ? '\n' : ' ');
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}
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printf("};\n\n");
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printf("};\n");
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return 0;
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}