NEX-10069 ZFS_READONLY is a little too strict (fix test lint)
NEX-9553 Move ss_fill gap logic from scan algorithm into range_tree.c
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-6088 ZFS scrub/resilver take excessively long due to issuing lots of random IO
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
re #13613 rb4516 Tunables needs volatile keyword

@@ -1023,13 +1023,13 @@
 #else
 size_t  kmem_max_cached = KMEM_BIG_MAXBUF_32BIT; /* maximum kmem_alloc cache */
 #endif
 
 #ifdef DEBUG
-int kmem_flags = KMF_AUDIT | KMF_DEADBEEF | KMF_REDZONE | KMF_CONTENTS;
+volatile int kmem_flags = KMF_AUDIT | KMF_DEADBEEF | KMF_REDZONE | KMF_CONTENTS;
 #else
-int kmem_flags = 0;
+volatile int kmem_flags = 0;
 #endif
 int kmem_ready;
 
 static kmem_cache_t     *kmem_slab_cache;
 static kmem_cache_t     *kmem_bufctl_cache;