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crc32: bolt on crc32c

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Reuse the existing crc32 code to stamp out a crc32c implementation.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Bob Pearson <rpearson@systemfabricworks.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Darrick J. Wong 2012-03-23 15:02:25 -07:00 • committed by Linus Torvalds
parent 78dff41897
commit 46c5801eaf
5 changed files with 97 additions and 34 deletions
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2
include/linux/crc32.h
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@ -11,6 +11,8 @@
extern u32 crc32_le(u32 crc, unsigned char const *p, size_t len);
extern u32 crc32_be(u32 crc, unsigned char const *p, size_t len);
extern u32 __crc32c_le(u32 crc, unsigned char const *p, size_t len);
#define crc32(seed, data, length) crc32_le(seed, (unsigned char const *)(data), length)
/*