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| author |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-08-31 09:27:35 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-09-01 16:13:25 +0200 |
| commit | f5b55fa1f81d518925d68b50d2316850c525d1ad (patch) | |
| tree | c4a75615884dff7236b788a774fdfb04892a3bfe /include/linux/raid | |
| parent | s390/crypto: simplify CPACF encryption / decryption functions (diff) | |
| download | linux-dev-f5b55fa1f81d518925d68b50d2316850c525d1ad.tar.xz linux-dev-f5b55fa1f81d518925d68b50d2316850c525d1ad.zip | |
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 <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/linux/raid')
| -rw-r--r-- | include/linux/raid/pq.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index c032a6a408a6..395a4c674168 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -116,6 +116,7 @@ struct raid6_recov_calls { extern const struct raid6_recov_calls raid6_recov_intx1; extern const struct raid6_recov_calls raid6_recov_ssse3; extern const struct raid6_recov_calls raid6_recov_avx2; +extern const struct raid6_recov_calls raid6_recov_s390xc; extern const struct raid6_calls raid6_neonx1; extern const struct raid6_calls raid6_neonx2; |