Reorganize scan_io_t to make it smaller and improve scan performance

Move ss_fill gap logic from scan algorithm into range_tree.c
skiselkov · Mar 2, 2017 · 8077bda · 8077bda
1 parent 3209443
commit 8077bda
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Showing 12 changed files with 249 additions and 331 deletions.
diff --git a/usr/src/lib/libumem/common/mapfile-vers b/usr/src/lib/libumem/common/mapfile-vers
@@ -61,7 +61,6 @@ SYMBOL_VERSION SUNW_1.1 {
 	umem_cache_alloc;
 	umem_cache_create;
 	umem_cache_destroy;
-	umem_cache_bufsize;
 	umem_cache_free;
 	umem_free;
 	umem_nofail_callback;

diff --git a/usr/src/lib/libumem/common/umem.c b/usr/src/lib/libumem/common/umem.c
@@ -2997,12 +2997,6 @@ umem_cache_destroy(umem_cache_t *cp)
 	vmem_free(umem_cache_arena, cp, UMEM_CACHE_SIZE(umem_max_ncpus));
 }
 
-size_t
-umem_cache_bufsize(umem_cache_t *cp)
-{
-	return (cp->cache_bufsize);
-}
-
 void
 umem_alloc_sizes_clear(void)
 {

diff --git a/usr/src/lib/libumem/common/umem.h b/usr/src/lib/libumem/common/umem.h
@@ -71,7 +71,6 @@ extern umem_cache_t *umem_cache_create(char *, size_t,
     size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *,
     void *, vmem_t *, int);
 extern void umem_cache_destroy(umem_cache_t *);
-extern size_t umem_cache_bufsize(umem_cache_t *);
 
 extern void *umem_cache_alloc(umem_cache_t *, int);
 extern void umem_cache_free(umem_cache_t *, void *);

diff --git a/usr/src/lib/libzpool/common/sys/zfs_context.h b/usr/src/lib/libzpool/common/sys/zfs_context.h
@@ -329,7 +329,6 @@ extern void kstat_runq_back_to_waitq(kstat_io_t *);
 #define	kmem_cache_destroy(_c)	umem_cache_destroy(_c)
 #define	kmem_cache_alloc(_c, _f) umem_cache_alloc(_c, _f)
 #define	kmem_cache_free(_c, _b)	umem_cache_free(_c, _b)
-#define	kmem_cache_bufsize(_c)	umem_cache_bufsize(_c)
 #define	kmem_debugging()	0
 #define	kmem_cache_reap_now(_c)		/* nothing */
 #define	kmem_cache_set_move(_c, _cb)	/* nothing */