Rebase master to b117

[zfs.git] / module / zfs / include / sys / arc.h

diff --git a/module/zfs/include/sys/arc.h b/module/zfs/include/sys/arc.h
index 749bf53..6e5955b 100644 (file)
--- a/module/zfs/include/sys/arc.h
+++ b/module/zfs/include/sys/arc.h
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -68,12 +68,25 @@ typedef enum arc_buf_contents {
 #define        ARC_CACHED      (1 << 4)        /* I/O was already in cache */
 #define        ARC_L2CACHE     (1 << 5)        /* cache in L2ARC */
 
-void arc_space_consume(uint64_t space);
-void arc_space_return(uint64_t space);
+/*
+ * The following breakdows of arc_size exist for kstat only.
+ */
+typedef enum arc_space_type {
+       ARC_SPACE_DATA,
+       ARC_SPACE_HDRS,
+       ARC_SPACE_L2HDRS,
+       ARC_SPACE_OTHER,
+       ARC_SPACE_NUMTYPES
+} arc_space_type_t;
+
+void arc_space_consume(uint64_t space, arc_space_type_t type);
+void arc_space_return(uint64_t space, arc_space_type_t type);
 void *arc_data_buf_alloc(uint64_t space);
 void arc_data_buf_free(void *buf, uint64_t space);
 arc_buf_t *arc_buf_alloc(spa_t *spa, int size, void *tag,
     arc_buf_contents_t type);
+arc_buf_t *arc_loan_buf(spa_t *spa, int size);
+void arc_return_buf(arc_buf_t *buf, void *tag);
 void arc_buf_add_ref(arc_buf_t *buf, void *tag);
 int arc_buf_remove_ref(arc_buf_t *buf, void *tag);
 int arc_buf_size(arc_buf_t *buf);
@@ -123,7 +136,7 @@ void arc_fini(void);
  * Level 2 ARC
  */
 
-void l2arc_add_vdev(spa_t *spa, vdev_t *vd, uint64_t start, uint64_t end);
+void l2arc_add_vdev(spa_t *spa, vdev_t *vd);
 void l2arc_remove_vdev(vdev_t *vd);
 boolean_t l2arc_vdev_present(vdev_t *vd);
 void l2arc_init(void);