Merge commit 'refs/top-bases/gcc-uninit' into gcc-uninit

Conflicts:

	lib/libzfs/libzfs_dataset.c
	module/zfs/arc.c
	module/zfs/spa.c

9 files changed, 107 insertions, 54 deletions

diff --git a/module/zcommon/include/sys/fm/fs/zfs.h b/module/zcommon/include/sys/fm/fs/zfs.h
index 66ca9c5d7..21b7dbe52 100644
--- a/module/zcommon/include/sys/fm/fs/zfs.h
+++ b/module/zcommon/include/sys/fm/fs/zfs.h
@@ -19,15 +19,13 @@
  * 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.
  */
 
 #ifndef	_SYS_FM_FS_ZFS_H
 #define	_SYS_FM_FS_ZFS_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -57,6 +55,7 @@ extern "C" {
 #define	FM_EREPORT_PAYLOAD_ZFS_VDEV_TYPE	"vdev_type"
 #define	FM_EREPORT_PAYLOAD_ZFS_VDEV_PATH	"vdev_path"
 #define	FM_EREPORT_PAYLOAD_ZFS_VDEV_DEVID	"vdev_devid"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_FRU		"vdev_fru"
 #define	FM_EREPORT_PAYLOAD_ZFS_PARENT_GUID	"parent_guid"
 #define	FM_EREPORT_PAYLOAD_ZFS_PARENT_TYPE	"parent_type"
 #define	FM_EREPORT_PAYLOAD_ZFS_PARENT_PATH	"parent_path"
diff --git a/module/zcommon/include/sys/fs/zfs.h b/module/zcommon/include/sys/fs/zfs.h
index 95f04d842..6651b140c 100644
--- a/module/zcommon/include/sys/fs/zfs.h
+++ b/module/zcommon/include/sys/fs/zfs.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.
  */
 
@@ -48,6 +48,10 @@ typedef enum {
 #define	ZFS_TYPE_DATASET	\
 	(ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
 
+#define	ZAP_MAXNAMELEN 256
+#define	ZAP_MAXVALUELEN (1024 * 8)
+#define	ZAP_OLDMAXVALUELEN 1024
+
 /*
  * Dataset properties are identified by these constants and must be added to
  * the end of this list to ensure that external consumers are not affected
@@ -105,9 +109,21 @@ typedef enum {
 	ZFS_PROP_USEDDS,
 	ZFS_PROP_USEDCHILD,
 	ZFS_PROP_USEDREFRESERV,
+	ZFS_PROP_USERACCOUNTING,	/* not exposed to the user */
+	ZFS_PROP_STMF_SHAREINFO,	/* not exposed to the user */
 	ZFS_NUM_PROPS
 } zfs_prop_t;
 
+typedef enum {
+	ZFS_PROP_USERUSED,
+	ZFS_PROP_USERQUOTA,
+	ZFS_PROP_GROUPUSED,
+	ZFS_PROP_GROUPQUOTA,
+	ZFS_NUM_USERQUOTA_PROPS
+} zfs_userquota_prop_t;
+
+extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
+
 /*
  * Pool properties are identified by these constants and must be added to the
  * end of this list to ensure that external consumers are not affected
@@ -130,6 +146,7 @@ typedef enum {
 	ZPOOL_PROP_CACHEFILE,
 	ZPOOL_PROP_FAILUREMODE,
 	ZPOOL_PROP_LISTSNAPS,
+	ZPOOL_PROP_AUTOEXPAND,
 	ZPOOL_NUM_PROPS
 } zpool_prop_t;
 
@@ -169,6 +186,7 @@ boolean_t zfs_prop_setonce(zfs_prop_t);
 const char *zfs_prop_to_name(zfs_prop_t);
 zfs_prop_t zfs_name_to_prop(const char *);
 boolean_t zfs_prop_user(const char *);
+boolean_t zfs_prop_userquota(const char *name);
 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
 boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
@@ -213,6 +231,9 @@ typedef enum {
 #define	ZFS_DELEG_PERM_GID	"gid"
 #define	ZFS_DELEG_PERM_GROUPS	"groups"
 
+#define	ZFS_SMB_ACL_SRC		"src"
+#define	ZFS_SMB_ACL_TARGET	"target"
+
 typedef enum {
 	ZFS_CANMOUNT_OFF = 0,
 	ZFS_CANMOUNT_ON = 1,
@@ -226,6 +247,13 @@ typedef enum zfs_share_op {
 	ZFS_UNSHARE_SMB = 3
 } zfs_share_op_t;
 
+typedef enum zfs_smb_acl_op {
+	ZFS_SMB_ACL_ADD,
+	ZFS_SMB_ACL_REMOVE,
+	ZFS_SMB_ACL_RENAME,
+	ZFS_SMB_ACL_PURGE
+} zfs_smb_acl_op_t;
+
 typedef enum zfs_cache_type {
 	ZFS_CACHE_NONE = 0,
 	ZFS_CACHE_METADATA = 1,
@@ -250,13 +278,16 @@ typedef enum zfs_cache_type {
 #define	SPA_VERSION_12			12ULL
 #define	SPA_VERSION_13			13ULL
 #define	SPA_VERSION_14			14ULL
+#define	SPA_VERSION_15			15ULL
+#define	SPA_VERSION_16			16ULL
 /*
  * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
- * format change. Go to usr/src/grub/grub-0.95/stage2/{zfs-include/, fsys_zfs*},
- * and do the appropriate changes.
+ * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
+ * and do the appropriate changes.  Also bump the version number in
+ * usr/src/grub/capability.
  */
-#define	SPA_VERSION			SPA_VERSION_14
-#define	SPA_VERSION_STRING		"14"
+#define	SPA_VERSION			SPA_VERSION_16
+#define	SPA_VERSION_STRING		"16"
 
 /*
  * Symbolic names for the changes that caused a SPA_VERSION switch.
@@ -292,6 +323,8 @@ typedef enum zfs_cache_type {
 #define	SPA_VERSION_SNAP_PROPS		SPA_VERSION_12
 #define	SPA_VERSION_USED_BREAKDOWN	SPA_VERSION_13
 #define	SPA_VERSION_PASSTHROUGH_X	SPA_VERSION_14
+#define	SPA_VERSION_USERSPACE		SPA_VERSION_15
+#define	SPA_VERSION_STMF_PROP		SPA_VERSION_16
 
 /*
  * ZPL version - rev'd whenever an incompatible on-disk format change
@@ -299,19 +332,21 @@ typedef enum zfs_cache_type {
  * also update the version_table[] and help message in zfs_prop.c.
  *
  * When changing, be sure to teach GRUB how to read the new format!
- * See usr/src/grub/grub-0.95/stage2/{zfs-include/,fsys_zfs*}
+ * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
  */
 #define	ZPL_VERSION_1			1ULL
 #define	ZPL_VERSION_2			2ULL
 #define	ZPL_VERSION_3			3ULL
-#define	ZPL_VERSION			ZPL_VERSION_3
-#define	ZPL_VERSION_STRING		"3"
+#define	ZPL_VERSION_4			4ULL
+#define	ZPL_VERSION			ZPL_VERSION_4
+#define	ZPL_VERSION_STRING		"4"
 
 #define	ZPL_VERSION_INITIAL		ZPL_VERSION_1
 #define	ZPL_VERSION_DIRENT_TYPE		ZPL_VERSION_2
 #define	ZPL_VERSION_FUID		ZPL_VERSION_3
 #define	ZPL_VERSION_NORMALIZATION	ZPL_VERSION_3
 #define	ZPL_VERSION_SYSATTR		ZPL_VERSION_3
+#define	ZPL_VERSION_USERSPACE		ZPL_VERSION_4
 
 /*
  * The following are configuration names used in the nvlist describing a pool's
@@ -361,6 +396,7 @@ typedef enum zfs_cache_type {
 #define	ZPOOL_CONFIG_FAULTED		"faulted"
 #define	ZPOOL_CONFIG_DEGRADED		"degraded"
 #define	ZPOOL_CONFIG_REMOVED		"removed"
+#define	ZPOOL_CONFIG_FRU		"fru"
 
 #define	VDEV_TYPE_ROOT			"root"
 #define	VDEV_TYPE_MIRROR		"mirror"
@@ -503,7 +539,7 @@ typedef struct vdev_stat {
 /*
  * And here are the things we need with /dev, etc. in front of them.
  */
-#define	ZVOL_PSEUDO_DEV		"/devices/pseudo/zvol@0:"
+#define	ZVOL_PSEUDO_DEV		"/devices/pseudo/zfs@0:"
 #define	ZVOL_FULL_DEV_DIR	"/dev/" ZVOL_DEV_DIR "/"
 
 #define	ZVOL_PROP_NAME		"name"
@@ -531,6 +567,7 @@ typedef enum zfs_ioc {
 	ZFS_IOC_VDEV_ATTACH,
 	ZFS_IOC_VDEV_DETACH,
 	ZFS_IOC_VDEV_SETPATH,
+	ZFS_IOC_VDEV_SETFRU,
 	ZFS_IOC_OBJSET_STATS,
 	ZFS_IOC_OBJSET_ZPLPROPS,
 	ZFS_IOC_DATASET_LIST_NEXT,
@@ -560,7 +597,11 @@ typedef enum zfs_ioc {
 	ZFS_IOC_GET_FSACL,
 	ZFS_IOC_ISCSI_PERM_CHECK,
 	ZFS_IOC_SHARE,
-	ZFS_IOC_INHERIT_PROP
+	ZFS_IOC_INHERIT_PROP,
+	ZFS_IOC_SMB_ACL,
+	ZFS_IOC_USERSPACE_ONE,
+	ZFS_IOC_USERSPACE_MANY,
+	ZFS_IOC_USERSPACE_UPGRADE
 } zfs_ioc_t;
 
 /*
@@ -602,6 +643,7 @@ typedef enum {
 #define	ZFS_ONLINE_CHECKREMOVE	0x1
 #define	ZFS_ONLINE_UNSPARE	0x2
 #define	ZFS_ONLINE_FORCEFAULT	0x4
+#define	ZFS_ONLINE_EXPAND	0x8
 #define	ZFS_OFFLINE_TEMPORARY	0x1
 
 /*
diff --git a/module/zcommon/include/zfs_deleg.h b/module/zcommon/include/zfs_deleg.h
index 561b73e63..cdbbd83de 100644
--- a/module/zcommon/include/zfs_deleg.h
+++ b/module/zcommon/include/zfs_deleg.h
@@ -19,15 +19,13 @@
  * 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.
  */
 
 #ifndef	_ZFS_DELEG_H
 #define	_ZFS_DELEG_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #include <sys/fs/zfs.h>
 
 #ifdef	__cplusplus
@@ -59,6 +57,10 @@ typedef enum {
 	ZFS_DELEG_NOTE_USERPROP,
 	ZFS_DELEG_NOTE_MOUNT,
 	ZFS_DELEG_NOTE_SHARE,
+	ZFS_DELEG_NOTE_USERQUOTA,
+	ZFS_DELEG_NOTE_GROUPQUOTA,
+	ZFS_DELEG_NOTE_USERUSED,
+	ZFS_DELEG_NOTE_GROUPUSED,
 	ZFS_DELEG_NOTE_NONE
 } zfs_deleg_note_t;
 
diff --git a/module/zcommon/include/zfs_namecheck.h b/module/zcommon/include/zfs_namecheck.h
index ec85e62f7..7711da099 100644
--- a/module/zcommon/include/zfs_namecheck.h
+++ b/module/zcommon/include/zfs_namecheck.h
@@ -19,15 +19,13 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 #ifndef	_ZFS_NAMECHECK_H
 #define	_ZFS_NAMECHECK_H
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -50,7 +48,6 @@ typedef enum {
 int pool_namecheck(const char *, namecheck_err_t *, char *);
 int dataset_namecheck(const char *, namecheck_err_t *, char *);
 int mountpoint_namecheck(const char *, namecheck_err_t *);
-int dataset_name_hidden(const char *);
 int snapshot_namecheck(const char *, namecheck_err_t *, char *);
 int permset_namecheck(const char *, namecheck_err_t *, char *);
 
diff --git a/module/zcommon/zfs_deleg.c b/module/zcommon/zfs_deleg.c
index 0fd5800a8..2964cae5d 100644
--- a/module/zcommon/zfs_deleg.c
+++ b/module/zcommon/zfs_deleg.c
@@ -19,13 +19,10 @@
  * 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.
  */
 
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 #if defined(_KERNEL)
 #include <sys/systm.h>
 #include <sys/sunddi.h>
@@ -66,6 +63,10 @@ zfs_deleg_perm_tab_t zfs_deleg_perm_tab[] = {
 	{ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
 	{ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_NONE },
 	{ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
+	{ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
+	{ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
+	{ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
+	{ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
 	{NULL, ZFS_DELEG_NOTE_NONE }
 };
 
diff --git a/module/zcommon/zfs_namecheck.c b/module/zcommon/zfs_namecheck.c
index a9d109be2..45730c6fc 100644
--- a/module/zcommon/zfs_namecheck.c
+++ b/module/zcommon/zfs_namecheck.c
@@ -19,12 +19,10 @@
  * 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.
  */
 
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
 /*
  * Common name validation routines for ZFS.  These routines are shared by the
  * userland code as well as the ioctl() layer to ensure that we don't
@@ -345,19 +343,3 @@ pool_namecheck(const char *pool, namecheck_err_t *why, char *what)
 
 	return (0);
 }
-
-/*
- * Check if the dataset name is private for internal usage.
- * '$' is reserved for internal dataset names. e.g. "$MOS"
- *
- * Return 1 if the given name is used internally.
- * Return 0 if it is not.
- */
-int
-dataset_name_hidden(const char *name)
-{
-	if (strchr(name, '$') != NULL)
-		return (1);
-
-	return (0);
-}
diff --git a/module/zcommon/zfs_prop.c b/module/zcommon/zfs_prop.c
index effd2dba7..05d830633 100644
--- a/module/zcommon/zfs_prop.c
+++ b/module/zcommon/zfs_prop.c
@@ -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.
  */
 
@@ -43,6 +43,14 @@
 
 static zprop_desc_t zfs_prop_table[ZFS_NUM_PROPS];
 
+/* Note this is indexed by zfs_userquota_prop_t, keep the order the same */
+const char *zfs_userquota_prop_prefixes[] = {
+	"userused@",
+	"userquota@",
+	"groupused@",
+	"groupquota@"
+};
+
 zprop_desc_t *
 zfs_prop_get_table(void)
 {
@@ -133,6 +141,7 @@ zfs_prop_init(void)
 		{ "1",		1 },
 		{ "2",		2 },
 		{ "3",		3 },
+		{ "4",		4 },
 		{ "current",	ZPL_VERSION },
 		{ NULL }
 	};
@@ -218,7 +227,7 @@ zfs_prop_init(void)
 	/* default index properties */
 	register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT,
 	    ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
-	    "1 | 2 | 3 | current", "VERSION", version_table);
+	    "1 | 2 | 3 | 4 | current", "VERSION", version_table);
 	register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON,
 	    PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto",
 	    "CANMOUNT", canmount_table);
@@ -305,8 +314,13 @@ zfs_prop_init(void)
 	    PROP_READONLY, ZFS_TYPE_DATASET, "NAME");
 	register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions", PROP_TYPE_STRING,
 	    PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS");
+	register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu",
+	    PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME,
+	    "STMF_SBD_LU");
 	register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER, PROP_READONLY,
 	    ZFS_TYPE_DATASET, "GUID");
+	register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting",
+	    PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET, NULL);
 
 	/* oddball properties */
 	register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0, NULL,
@@ -330,7 +344,6 @@ zfs_name_to_prop(const char *propname)
 	return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET));
 }
 
-
 /*
  * For user property names, we allow all lowercase alphanumeric characters, plus
  * a few useful punctuation characters.
@@ -368,6 +381,26 @@ zfs_prop_user(const char *name)
 }
 
 /*
+ * Returns true if this is a valid userspace-type property (one with a '@').
+ * Note that after the @, any character is valid (eg, another @, for SID
+ * user@domain).
+ */
+boolean_t
+zfs_prop_userquota(const char *name)
+{
+	zfs_userquota_prop_t prop;
+
+	for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) {
+		if (strncmp(name, zfs_userquota_prop_prefixes[prop],
+		    strlen(zfs_userquota_prop_prefixes[prop])) == 0) {
+			return (B_TRUE);
+		}
+	}
+
+	return (B_FALSE);
+}
+
+/*
  * Tables of index types, plus functions to convert between the user view
  * (strings) and internal representation (uint64_t).
  */
diff --git a/module/zcommon/zpool_prop.c b/module/zcommon/zpool_prop.c
index f5efe18d2..d57dcfb63 100644
--- a/module/zcommon/zpool_prop.c
+++ b/module/zcommon/zpool_prop.c
@@ -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.
  */
 
@@ -96,6 +96,8 @@ zpool_prop_init(void)
 	    ZFS_TYPE_POOL, "on | off", "REPLACE", boolean_table);
 	register_index(ZPOOL_PROP_LISTSNAPS, "listsnapshots", 0, PROP_DEFAULT,
 	    ZFS_TYPE_POOL, "on | off", "LISTSNAPS", boolean_table);
+	register_index(ZPOOL_PROP_AUTOEXPAND, "autoexpand", 0, PROP_DEFAULT,
+	    ZFS_TYPE_POOL, "on | off", "EXPAND", boolean_table);
 
 	/* default index properties */
 	register_index(ZPOOL_PROP_FAILUREMODE, "failmode",
diff --git a/module/zcommon/zprop_common.c b/module/zcommon/zprop_common.c
index bd267e2e6..85f55c276 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 2009 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.
  */
@@ -205,9 +203,6 @@ 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 +210,7 @@ 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++)