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RAID/s390: provide raid6 recovery optimization
authorMartin Schwidefsky <[email protected]>
Wed, 31 Aug 2016 07:27:35 +0000 (09:27 +0200)
committerMartin Schwidefsky <[email protected]>
Thu, 1 Sep 2016 14:13:25 +0000 (16:13 +0200)
commitf5b55fa1f81d518925d68b50d2316850c525d1ad
treec4a75615884dff7236b788a774fdfb04892a3bfetree | snapshot
parent7bac4f5b8e3a607f7ba1d3a652f5922a657fa9e8commit | diff
RAID/s390: provide raid6 recovery optimization

The XC instruction can be used to improve the speed of the raid6
recovery. The loops now operate on blocks of 256 bytes.

Signed-off-by: Martin Schwidefsky <[email protected]>
include/linux/raid/pq.h diff | blob | blame | history
lib/raid6/Makefile diff | blob | blame | history
lib/raid6/algos.c diff | blob | blame | history
lib/raid6/recov_s390xc.c [new file with mode: 0644] blob
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