raid6_sse2x4 99 include/linux/raid/pq.h extern const struct raid6_calls raid6_sse2x4; raid6_sse2x4 59 lib/raid6/algos.c &raid6_sse2x4, raid6_sse2x4 472 lib/raid6/sse2.c const struct raid6_calls raid6_sse2x4 = {