New upstream version 0.7.2

[mirror_zfs-debian.git] / include / sys / metaslab.h

diff --git a/include/sys/metaslab.h b/include/sys/metaslab.h
index 5f831a1f5604d9602c78fb625a369b8b27d83b35..be271c7020d5377baa590974c04e1ee60e62fd2d 100644 (file)
--- a/include/sys/metaslab.h
+++ b/include/sys/metaslab.h
@@ -20,7 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, 2014 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2016 by Delphix. All rights reserved.
  */
 
 #ifndef _SYS_METASLAB_H
@@ -36,10 +36,12 @@
 extern "C" {
 #endif
 
+
 typedef struct metaslab_ops {
-       uint64_t (*msop_alloc)(metaslab_t *msp, uint64_t size);
+       uint64_t (*msop_alloc)(metaslab_t *, uint64_t);
 } metaslab_ops_t;
 
+
 extern metaslab_ops_t *zfs_metaslab_ops;
 
 int metaslab_init(metaslab_group_t *, uint64_t, uint64_t, uint64_t,
@@ -55,27 +57,36 @@ void metaslab_sync_done(metaslab_t *, uint64_t);
 void metaslab_sync_reassess(metaslab_group_t *);
 uint64_t metaslab_block_maxsize(metaslab_t *);
 
-#define        METASLAB_HINTBP_FAVOR   0x0
-#define        METASLAB_HINTBP_AVOID   0x1
-#define        METASLAB_GANG_HEADER    0x2
-#define        METASLAB_GANG_CHILD     0x4
-#define        METASLAB_GANG_AVOID     0x8
-#define        METASLAB_FASTWRITE      0x10
+#define        METASLAB_HINTBP_FAVOR           0x0
+#define        METASLAB_HINTBP_AVOID           0x1
+#define        METASLAB_GANG_HEADER            0x2
+#define        METASLAB_GANG_CHILD             0x4
+#define        METASLAB_ASYNC_ALLOC            0x8
+#define        METASLAB_DONT_THROTTLE          0x10
+#define        METASLAB_FASTWRITE              0x20
 
 int metaslab_alloc(spa_t *, metaslab_class_t *, uint64_t,
-    blkptr_t *, int, uint64_t, blkptr_t *, int);
+    blkptr_t *, int, uint64_t, blkptr_t *, int, zio_alloc_list_t *, zio_t *);
 void metaslab_free(spa_t *, const blkptr_t *, uint64_t, boolean_t);
 int metaslab_claim(spa_t *, const blkptr_t *, uint64_t);
 void metaslab_check_free(spa_t *, const blkptr_t *);
 void metaslab_fastwrite_mark(spa_t *, const blkptr_t *);
 void metaslab_fastwrite_unmark(spa_t *, const blkptr_t *);
 
+void metaslab_alloc_trace_init(void);
+void metaslab_alloc_trace_fini(void);
+void metaslab_trace_init(zio_alloc_list_t *);
+void metaslab_trace_fini(zio_alloc_list_t *);
+
 metaslab_class_t *metaslab_class_create(spa_t *, metaslab_ops_t *);
 void metaslab_class_destroy(metaslab_class_t *);
 int metaslab_class_validate(metaslab_class_t *);
 void metaslab_class_histogram_verify(metaslab_class_t *);
 uint64_t metaslab_class_fragmentation(metaslab_class_t *);
 uint64_t metaslab_class_expandable_space(metaslab_class_t *);
+boolean_t metaslab_class_throttle_reserve(metaslab_class_t *, int,
+    zio_t *, int);
+void metaslab_class_throttle_unreserve(metaslab_class_t *, int, zio_t *);
 
 void metaslab_class_space_update(metaslab_class_t *, int64_t, int64_t,
     int64_t, int64_t);
@@ -88,10 +99,13 @@ metaslab_group_t *metaslab_group_create(metaslab_class_t *, vdev_t *);
 void metaslab_group_destroy(metaslab_group_t *);
 void metaslab_group_activate(metaslab_group_t *);
 void metaslab_group_passivate(metaslab_group_t *);
+boolean_t metaslab_group_initialized(metaslab_group_t *);
 uint64_t metaslab_group_get_space(metaslab_group_t *);
 void metaslab_group_histogram_verify(metaslab_group_t *);
 uint64_t metaslab_group_fragmentation(metaslab_group_t *);
 void metaslab_group_histogram_remove(metaslab_group_t *, metaslab_t *);
+void metaslab_group_alloc_decrement(spa_t *, uint64_t, void *, int);
+void metaslab_group_alloc_verify(spa_t *, const blkptr_t *, void *);
 
 #ifdef __cplusplus
 }