X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzcommon%2Fzprop_common.c;h=0a0af2334a082cc7fe32de4b62fb584a1089e447;hb=dd26aa535b395735ca61ea2a3e618aded45eb05e;hp=bd267e2e61cace2adcba654a926925c6a0b1223f;hpb=172bb4bd5e4afef721dd4d2972d8680d983f144b;p=zfs.git

diff --git a/module/zcommon/zprop_common.c b/module/zcommon/zprop_common.c
index bd267e2..0a0af23 100644
--- a/module/zcommon/zprop_common.c
+++ b/module/zcommon/zprop_common.c
@@ -19,12 +19,10 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * Common routines used by zfs and zpool property management.
  */
@@ -67,7 +65,7 @@ zprop_get_numprops(zfs_type_t type)
 }
 
 void
-register_impl(int prop, const char *name, zprop_type_t type,
+zprop_register_impl(int prop, const char *name, zprop_type_t type,
     uint64_t numdefault, const char *strdefault, zprop_attr_t attr,
     int objset_types, const char *values, const char *colname,
     boolean_t rightalign, boolean_t visible, const zprop_index_t *idx_tbl)
@@ -78,6 +76,8 @@ register_impl(int prop, const char *name, zprop_type_t type,
 	pd = &prop_tbl[prop];
 
 	ASSERT(pd->pd_name == NULL || pd->pd_name == name);
+	ASSERT(name != NULL);
+	ASSERT(colname != NULL);
 
 	pd->pd_name = name;
 	pd->pd_propnum = prop;
@@ -91,40 +91,44 @@ register_impl(int prop, const char *name, zprop_type_t type,
 	pd->pd_rightalign = rightalign;
 	pd->pd_visible = visible;
 	pd->pd_table = idx_tbl;
+	pd->pd_table_size = 0;
+	while (idx_tbl && (idx_tbl++)->pi_name != NULL)
+		pd->pd_table_size++;
 }
 
 void
-register_string(int prop, const char *name, const char *def,
+zprop_register_string(int prop, const char *name, const char *def,
     zprop_attr_t attr, int objset_types, const char *values,
     const char *colname)
 {
-	register_impl(prop, name, PROP_TYPE_STRING, 0, def, attr,
+	zprop_register_impl(prop, name, PROP_TYPE_STRING, 0, def, attr,
 	    objset_types, values, colname, B_FALSE, B_TRUE, NULL);
 
 }
 
 void
-register_number(int prop, const char *name, uint64_t def, zprop_attr_t attr,
-    int objset_types, const char *values, const char *colname)
+zprop_register_number(int prop, const char *name, uint64_t def,
+    zprop_attr_t attr, int objset_types, const char *values,
+    const char *colname)
 {
-	register_impl(prop, name, PROP_TYPE_NUMBER, def, NULL, attr,
+	zprop_register_impl(prop, name, PROP_TYPE_NUMBER, def, NULL, attr,
 	    objset_types, values, colname, B_TRUE, B_TRUE, NULL);
 }
 
 void
-register_index(int prop, const char *name, uint64_t def, zprop_attr_t attr,
-    int objset_types, const char *values, const char *colname,
-    const zprop_index_t *idx_tbl)
+zprop_register_index(int prop, const char *name, uint64_t def,
+    zprop_attr_t attr, int objset_types, const char *values,
+    const char *colname, const zprop_index_t *idx_tbl)
 {
-	register_impl(prop, name, PROP_TYPE_INDEX, def, NULL, attr,
+	zprop_register_impl(prop, name, PROP_TYPE_INDEX, def, NULL, attr,
 	    objset_types, values, colname, B_TRUE, B_TRUE, idx_tbl);
 }
 
 void
-register_hidden(int prop, const char *name, zprop_type_t type,
+zprop_register_hidden(int prop, const char *name, zprop_type_t type,
     zprop_attr_t attr, int objset_types, const char *colname)
 {
-	register_impl(prop, name, type, 0, NULL, attr,
+	zprop_register_impl(prop, name, type, 0, NULL, attr,
 	    objset_types, NULL, colname, B_FALSE, B_FALSE, NULL);
 }
 
@@ -158,7 +162,7 @@ int
 zprop_iter_common(zprop_func func, void *cb, boolean_t show_all,
     boolean_t ordered, zfs_type_t type)
 {
-	int i, num_props, size, prop;
+	int i, j, num_props, size, prop;
 	zprop_desc_t *prop_tbl;
 	zprop_desc_t **order;
 
@@ -167,13 +171,13 @@ zprop_iter_common(zprop_func func, void *cb, boolean_t show_all,
 	size = num_props * sizeof (zprop_desc_t *);
 
 #if defined(_KERNEL)
-	order = kmem_alloc(size, KM_SLEEP);
+	order = kmem_alloc(size, KM_PUSHPAGE);
 #else
 	if ((order = malloc(size)) == NULL)
 		return (ZPROP_CONT);
 #endif
 
-	for (int j = 0; j < num_props; j++)
+	for (j = 0; j < num_props; j++)
 		order[j] = &prop_tbl[j];
 
 	if (ordered) {
@@ -205,9 +209,6 @@ propname_match(const char *p, size_t len, zprop_desc_t *prop_entry)
 #ifndef _KERNEL
 	const char *colname = prop_entry->pd_colname;
 	int c;
-
-	if (colname == NULL)
-		return (B_FALSE);
 #endif
 
 	if (len == strlen(propname) &&
@@ -215,7 +216,7 @@ propname_match(const char *p, size_t len, zprop_desc_t *prop_entry)
 		return (B_TRUE);
 
 #ifndef _KERNEL
-	if (len != strlen(colname))
+	if (colname == NULL || len != strlen(colname))
 		return (B_FALSE);
 
 	for (c = 0; c < len; c++)
@@ -312,6 +313,25 @@ zprop_index_to_string(int prop, uint64_t index, const char **string,
 	return (-1);
 }
 
+/*
+ * Return a random valid property value.  Used by ztest.
+ */
+uint64_t
+zprop_random_value(int prop, uint64_t seed, zfs_type_t type)
+{
+	zprop_desc_t *prop_tbl;
+	const zprop_index_t *idx_tbl;
+
+	ASSERT((uint_t)prop < zprop_get_numprops(type));
+	prop_tbl = zprop_get_proptable(type);
+	idx_tbl = prop_tbl[prop].pd_table;
+
+	if (idx_tbl == NULL)
+		return (seed);
+
+	return (idx_tbl[seed % prop_tbl[prop].pd_table_size].pi_value);
+}
+
 const char *
 zprop_values(int prop, zfs_type_t type)
 {
@@ -404,3 +424,21 @@ zprop_width(int prop, boolean_t *fixed, zfs_type_t type)
 }
 
 #endif
+
+#if defined(_KERNEL) && defined(HAVE_SPL)
+/* Common routines to initialize property tables */
+EXPORT_SYMBOL(zprop_register_impl);
+EXPORT_SYMBOL(zprop_register_string);
+EXPORT_SYMBOL(zprop_register_number);
+EXPORT_SYMBOL(zprop_register_index);
+EXPORT_SYMBOL(zprop_register_hidden);
+
+/* Common routines for zfs and zpool property management */
+EXPORT_SYMBOL(zprop_iter_common);
+EXPORT_SYMBOL(zprop_name_to_prop);
+EXPORT_SYMBOL(zprop_string_to_index);
+EXPORT_SYMBOL(zprop_index_to_string);
+EXPORT_SYMBOL(zprop_random_value);
+EXPORT_SYMBOL(zprop_values);
+EXPORT_SYMBOL(zprop_valid_for_type);
+#endif