Merge tag 'md/4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md

Pull MD updates from Shaohua Li:
 "This update includes:

   - new AVX512 instruction based raid6 gen/recovery algorithm

   - a couple of md-cluster related bug fixes

   - fix a potential deadlock

   - set nonrotational bit for raid array with SSD

   - set correct max_hw_sectors for raid5/6, which hopefuly can improve
     performance a little bit

   - other minor fixes"

* tag 'md/4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  md: set rotational bit
  raid6/test/test.c: bug fix: Specify aligned(alignment) attributes to the char arrays
  raid5: handle register_shrinker failure
  raid5: fix to detect failure of register_shrinker
  md: fix a potential deadlock
  md/bitmap: fix wrong cleanup
  raid5: allow arbitrary max_hw_sectors
  lib/raid6: Add AVX512 optimized xor_syndrome functions
  lib/raid6/test/Makefile: Add avx512 gen_syndrome and recovery functions
  lib/raid6: Add AVX512 optimized recovery functions
  lib/raid6: Add AVX512 optimized gen_syndrome functions
  md-cluster: make resync lock also could be interruptted
  md-cluster: introduce dlm_lock_sync_interruptible to fix tasks hang
  md-cluster: convert the completion to wait queue
  md-cluster: protect md_find_rdev_nr_rcu with rcu lock
  md-cluster: clean related infos of cluster
  md: changes for MD_STILL_CLOSED flag
  md-cluster: remove some unnecessary dlm_unlock_sync
  md-cluster: use FORCEUNLOCK in lockres_free
  md-cluster: call md_kick_rdev_from_array once ack failed

1 files changed, 12 insertions, 0 deletions

diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
index 592ff49df47d..7857049fd7d3 100644
--- a/lib/raid6/algos.c
+++ b/lib/raid6/algos.c
@@ -49,6 +49,10 @@ const struct raid6_calls * const raid6_algos[] = {
         &raid6_avx2x1,
         &raid6_avx2x2,
 #endif
+#ifdef CONFIG_AS_AVX512
+        &raid6_avx512x1,
+        &raid6_avx512x2,
+#endif
 #endif
 #if defined(__x86_64__) && !defined(__arch_um__)
         &raid6_sse2x1,
@@ -59,6 +63,11 @@ const struct raid6_calls * const raid6_algos[] = {
         &raid6_avx2x2,
         &raid6_avx2x4,
 #endif
+#ifdef CONFIG_AS_AVX512
+        &raid6_avx512x1,
+        &raid6_avx512x2,
+        &raid6_avx512x4,
+#endif
 #endif
 #ifdef CONFIG_ALTIVEC
         &raid6_altivec1,
@@ -92,6 +101,9 @@ void (*raid6_datap_recov)(int, size_t, int, void **);
 EXPORT_SYMBOL_GPL(raid6_datap_recov);
 
 const struct raid6_recov_calls *const raid6_recov_algos[] = {
+#ifdef CONFIG_AS_AVX512
+        &raid6_recov_avx512,
+#endif
 #ifdef CONFIG_AS_AVX2
         &raid6_recov_avx2,
 #endif