Rebase master to b117

lib/libzfs/include/libzfs.h

@@ -116,6 +116,7 @@ enum {
 	EZFS_VDEVNOTSUP,	/* unsupported vdev type */
 	EZFS_NOTSUP,		/* ops not supported on this dataset */
 	EZFS_ACTIVE_SPARE,	/* pool has active shared spare devices */
+	EZFS_UNPLAYED_LOGS,	/* log device has unplayed logs */
 	EZFS_UNKNOWN
 };
 
@@ -178,6 +179,7 @@ extern const char *libzfs_error_action(libzfs_handle_t *);
 extern const char *libzfs_error_description(libzfs_handle_t *);
 extern void libzfs_mnttab_init(libzfs_handle_t *);
 extern void libzfs_mnttab_fini(libzfs_handle_t *);
+extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
     struct mnttab *);
 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
@@ -229,6 +231,8 @@ extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
 
 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
     boolean_t *, boolean_t *);
+extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
+    boolean_t *, boolean_t *, boolean_t *);
 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
 
 /*
@@ -335,7 +339,8 @@ extern int zpool_stage_history(libzfs_handle_t *, const char *);
 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
     size_t len);
 extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
-extern int zpool_get_physpath(zpool_handle_t *, char *);
+extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
+
 /*
  * Basic handle manipulations.  These functions do not create or destroy the
  * underlying datasets, only the references to them.
@@ -368,6 +373,10 @@ extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
     zprop_source_t *, char *, size_t, boolean_t);
 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
     zprop_source_t *, char *, size_t);
+extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
+    uint64_t *propvalue);
+extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
+    char *propbuf, int proplen, boolean_t literal);
 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
 extern int zfs_prop_inherit(zfs_handle_t *, const char *);
 extern const char *zfs_prop_values(zfs_prop_t);
@@ -384,6 +393,7 @@ typedef struct zprop_list {
 } zprop_list_t;
 
 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **);
+extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
 
 #define	ZFS_MOUNTPOINT_NONE	"none"
 #define	ZFS_MOUNTPOINT_LEGACY	"legacy"
@@ -454,6 +464,12 @@ extern int zfs_send(zfs_handle_t *, const char *, const char *,
     boolean_t, boolean_t, boolean_t, boolean_t, int);
 extern int zfs_promote(zfs_handle_t *);
 
+typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
+    uid_t rid, uint64_t space);
+
+extern int zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type,
+    zfs_userspace_cb_t func, void *arg);
+
 typedef struct recvflags {
 	/* print informational messages (ie, -v was specified) */
 	int verbose : 1;
@@ -491,17 +507,6 @@ extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
     zfs_type_t);
 extern int zfs_spa_version(zfs_handle_t *, int *);
 
-/*
- * dataset permission functions.
- */
-extern int zfs_perm_set(zfs_handle_t *, nvlist_t *);
-extern int zfs_perm_remove(zfs_handle_t *, nvlist_t *);
-extern int zfs_build_perms(zfs_handle_t *, char *, char *,
-    zfs_deleg_who_type_t, zfs_deleg_inherit_t, nvlist_t **nvlist_t);
-extern int zfs_perm_get(zfs_handle_t *, zfs_allow_t **);
-extern void zfs_free_allows(zfs_allow_t *);
-extern void zfs_deleg_permissions(void);
-
 /*
  * Mount support functions.
  */
@@ -536,7 +541,7 @@ extern boolean_t zfs_is_shared_iscsi(zfs_handle_t *);
 extern int zfs_share_iscsi(zfs_handle_t *);
 extern int zfs_unshare_iscsi(zfs_handle_t *);
 extern int zfs_iscsi_perm_check(libzfs_handle_t *, char *, ucred_t *);
-extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *,
+extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
     void *, void *, int, zfs_share_op_t);
 
 /*
@@ -574,6 +579,15 @@ extern int zpool_remove_zvol_links(zpool_handle_t *);
 /* is this zvol valid for use as a dump device? */
 extern int zvol_check_dump_config(char *);
 
+/*
+ * Management interfaces for SMB ACL files
+ */
+
+int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
+int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
+int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
+int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
+
 /*
  * Enable and disable datasets within a pool by mounting/unmounting and
  * sharing/unsharing them.

lib/libzfs/include/libzfs_impl.h

@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -63,6 +63,7 @@ struct libzfs_handle {
 	int libzfs_printerr;
 	void *libzfs_sharehdl; /* libshare handle */
 	uint_t libzfs_shareflags;
+	boolean_t libzfs_mnttab_enable;
 	avl_tree_t libzfs_mnttab_cache;
 };
 #define	ZFSSHARE_MISS	0x01	/* Didn't find entry in cache */
@@ -78,6 +79,7 @@ struct zfs_handle {
 	nvlist_t *zfs_user_props;
 	boolean_t zfs_mntcheck;
 	char *zfs_mntopts;
+	uint8_t *zfs_props_table;
 };
 
 /*
@@ -185,7 +187,7 @@ extern int zfs_init_libshare(libzfs_handle_t *, int);
 extern void zfs_uninit_libshare(libzfs_handle_t *);
 extern int zfs_parse_options(char *, zfs_share_proto_t);
 
-extern int zfs_unshare_proto(zfs_handle_t *zhp,
+extern int zfs_unshare_proto(zfs_handle_t *,
     const char *, zfs_share_proto_t *);
 #ifdef	__cplusplus
 }

lib/libzfs/libzfs_changelist.c

@@ -20,7 +20,7 @@
  */
 
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  *
  * Portions Copyright 2007 Ramprakash Jelari
@@ -218,6 +218,7 @@ changelist_postfix(prop_changelist_t *clp)
 
 		boolean_t sharenfs;
 		boolean_t sharesmb;
+		boolean_t mounted;
 
 		/*
 		 * If we are in the global zone, but this dataset is exported
@@ -272,20 +273,29 @@ changelist_postfix(prop_changelist_t *clp)
 		    shareopts, sizeof (shareopts), NULL, NULL, 0,
 		    B_FALSE) == 0) && (strcmp(shareopts, "off") != 0));
 
-		if ((cn->cn_mounted || clp->cl_waslegacy || sharenfs ||
-		    sharesmb) && !zfs_is_mounted(cn->cn_handle, NULL) &&
-		    zfs_mount(cn->cn_handle, NULL, 0) != 0)
-			errors++;
+		mounted = zfs_is_mounted(cn->cn_handle, NULL);
+
+		if (!mounted && (cn->cn_mounted ||
+		    ((sharenfs || sharesmb || clp->cl_waslegacy) &&
+		    (zfs_prop_get_int(cn->cn_handle,
+		    ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON)))) {
+
+			if (zfs_mount(cn->cn_handle, NULL, 0) != 0)
+				errors++;
+			else
+				mounted = TRUE;
+		}
 
 		/*
-		 * We always re-share even if the filesystem is currently
-		 * shared, so that we can adopt any new options.
+		 * If the file system is mounted we always re-share even
+		 * if the filesystem is currently shared, so that we can
+		 * adopt any new options.
 		 */
-		if (sharenfs)
+		if (sharenfs && mounted)
 			errors += zfs_share_nfs(cn->cn_handle);
 		else if (cn->cn_shared || clp->cl_waslegacy)
 			errors += zfs_unshare_nfs(cn->cn_handle, NULL);
-		if (sharesmb)
+		if (sharesmb && mounted)
 			errors += zfs_share_smb(cn->cn_handle);
 		else if (cn->cn_shared || clp->cl_waslegacy)
 			errors += zfs_unshare_smb(cn->cn_handle, NULL);
@@ -621,8 +631,6 @@ changelist_gather(zfs_handle_t *zhp, zfs_prop_t prop, int gather_flags,
 		clp->cl_prop = ZFS_PROP_MOUNTPOINT;
 	} else if (prop == ZFS_PROP_VOLSIZE) {
 		clp->cl_prop = ZFS_PROP_MOUNTPOINT;
-	} else if (prop == ZFS_PROP_VERSION) {
-		clp->cl_prop = ZFS_PROP_MOUNTPOINT;
 	} else {
 		clp->cl_prop = prop;
 	}

lib/libzfs/libzfs_graph.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"
-
 /*
  * Iterate over all children of the current object.  This includes the normal
  * dataset hierarchy, but also arbitrary hierarchies due to clones.  We want to
@@ -399,13 +397,6 @@ iterate_children(libzfs_handle_t *hdl, zfs_graph_t *zgp, const char *dataset)
 	for ((void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name));
 	    ioctl(hdl->libzfs_fd, ZFS_IOC_DATASET_LIST_NEXT, &zc) == 0;
 	    (void) strlcpy(zc.zc_name, dataset, sizeof (zc.zc_name))) {
-
-		/*
-		 * Ignore private dataset names.
-		 */
-		if (dataset_name_hidden(zc.zc_name))
-			continue;
-
 		/*
 		 * Get statistics for this dataset, to determine the type of the
 		 * dataset and clone statistics.  If this fails, the dataset has

lib/libzfs/libzfs_pool.c

@@ -42,6 +42,7 @@
 #include <sys/zfs_ioctl.h>
 #include <sys/zio.h>
 #include <strings.h>
+#include <dlfcn.h>
 
 #include "zfs_namecheck.h"
 #include "zfs_prop.h"
@@ -55,6 +56,10 @@ static int read_efi_label(nvlist_t *config, diskaddr_t *sb);
 #define	BOOTCMD	"installboot(1M)"
 #endif
 
+#define	DISK_ROOT	"/dev/dsk"
+#define	RDISK_ROOT	"/dev/rdsk"
+#define	BACKUP_SLICE	"s2"
+
 /*
  * ====================================================================
  *   zpool property functions
@@ -627,6 +632,12 @@ zpool_expand_proplist(zpool_handle_t *zhp, zprop_list_t **plp)
 }
 
 
+/*
+ * Don't start the slice at the default block of 34; many storage
+ * devices will use a stripe width of 128k, so start there instead.
+ */
+#define	NEW_START_BLOCK	256
+
 /*
  * Validate the given pool name, optionally putting an extended error message in
  * 'buf'.
@@ -1369,46 +1380,90 @@ zpool_scrub(zpool_handle_t *zhp, pool_scrub_type_t type)
 }
 
 /*
+ * Find a vdev that matches the search criteria specified. We use the
+ * the nvpair name to determine how we should look for the device.
  * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL
  * spare; but FALSE if its an INUSE spare.
  */
 static nvlist_t *
-vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid,
-    boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log)
+vdev_to_nvlist_iter(nvlist_t *nv, nvlist_t *search, boolean_t *avail_spare,
+    boolean_t *l2cache, boolean_t *log)
 {
 	uint_t c, children;
 	nvlist_t **child;
-	uint64_t theguid, present;
-	char *path;
-	uint64_t wholedisk = 0;
 	nvlist_t *ret;
 	uint64_t is_log;
+	char *srchkey;
+	nvpair_t *pair = nvlist_next_nvpair(search, NULL);
 
-	verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &theguid) == 0);
+	/* Nothing to look for */
+	if (search == NULL || pair == NULL)
+		return (NULL);
 
-	if (search == NULL &&
-	    nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &present) == 0) {
-		/*
-		 * If the device has never been present since import, the only
-		 * reliable way to match the vdev is by GUID.
-		 */
-		if (theguid == guid)
-			return (nv);
-	} else if (search != NULL &&
-	    nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
-		(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
-		    &wholedisk);
-		if (wholedisk) {
-			/*
-			 * For whole disks, the internal path has 's0', but the
-			 * path passed in by the user doesn't.
-			 */
-			if (strlen(search) == strlen(path) - 2 &&
-			    strncmp(search, path, strlen(search)) == 0)
-				return (nv);
-		} else if (strcmp(search, path) == 0) {
-			return (nv);
+	/* Obtain the key we will use to search */
+	srchkey = nvpair_name(pair);
+
+	switch (nvpair_type(pair)) {
+	case DATA_TYPE_UINT64: {
+		uint64_t srchval, theguid, present;
+
+		verify(nvpair_value_uint64(pair, &srchval) == 0);
+		if (strcmp(srchkey, ZPOOL_CONFIG_GUID) == 0) {
+			if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
+			    &present) == 0) {
+				/*
+				 * If the device has never been present since
+				 * import, the only reliable way to match the
+				 * vdev is by GUID.
+				 */
+				verify(nvlist_lookup_uint64(nv,
+				    ZPOOL_CONFIG_GUID, &theguid) == 0);
+				if (theguid == srchval)
+					return (nv);
+			}
 		}
+		break;
+	}
+
+	case DATA_TYPE_STRING: {
+		char *srchval, *val;
+
+		verify(nvpair_value_string(pair, &srchval) == 0);
+		if (nvlist_lookup_string(nv, srchkey, &val) != 0)
+			break;
+
+		/*
+		 * Search for the requested value. We special case the search
+		 * for ZPOOL_CONFIG_PATH when it's a wholedisk. Otherwise,
+		 * all other searches are simple string compares.
+		 */
+		if (strcmp(srchkey, ZPOOL_CONFIG_PATH) == 0 && val) {
+			uint64_t wholedisk = 0;
+
+			(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_WHOLE_DISK,
+			    &wholedisk);
+			if (wholedisk) {
+				/*
+				 * For whole disks, the internal path has 's0',
+				 * but the path passed in by the user doesn't.
+				 */
+				if (strlen(srchval) == strlen(val) - 2 &&
+				    strncmp(srchval, val, strlen(srchval)) == 0)
+					return (nv);
+				break;
+			}
+		}
+
+		/*
+		 * Common case
+		 */
+		if (strcmp(srchval, val) == 0)
+			return (nv);
+		break;
+	}
+
+	default:
+		break;
 	}
 
 	if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
@@ -1416,7 +1471,7 @@ vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid,
 		return (NULL);
 
 	for (c = 0; c < children; c++) {
-		if ((ret = vdev_to_nvlist_iter(child[c], search, guid,
+		if ((ret = vdev_to_nvlist_iter(child[c], search,
 		    avail_spare, l2cache, NULL)) != NULL) {
 			/*
 			 * The 'is_log' value is only set for the toplevel
@@ -1437,7 +1492,7 @@ vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid,
 	if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
 	    &child, &children) == 0) {
 		for (c = 0; c < children; c++) {
-			if ((ret = vdev_to_nvlist_iter(child[c], search, guid,
+			if ((ret = vdev_to_nvlist_iter(child[c], search,
 			    avail_spare, l2cache, NULL)) != NULL) {
 				*avail_spare = B_TRUE;
 				return (ret);
@@ -1448,7 +1503,7 @@ vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid,
 	if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
 	    &child, &children) == 0) {
 		for (c = 0; c < children; c++) {
-			if ((ret = vdev_to_nvlist_iter(child[c], search, guid,
+			if ((ret = vdev_to_nvlist_iter(child[c], search,
 			    avail_spare, l2cache, NULL)) != NULL) {
 				*l2cache = B_TRUE;
 				return (ret);
@@ -1459,24 +1514,48 @@ vdev_to_nvlist_iter(nvlist_t *nv, const char *search, uint64_t guid,
 	return (NULL);
 }
 
+/*
+ * Given a physical path (minus the "/devices" prefix), find the
+ * associated vdev.
+ */
+nvlist_t *
+zpool_find_vdev_by_physpath(zpool_handle_t *zhp, const char *ppath,
+    boolean_t *avail_spare, boolean_t *l2cache, boolean_t *log)
+{
+	nvlist_t *search, *nvroot, *ret;
+
+	verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+	verify(nvlist_add_string(search, ZPOOL_CONFIG_PHYS_PATH, ppath) == 0);
+
+	verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
+	    &nvroot) == 0);
+
+	*avail_spare = B_FALSE;
+	ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log);
+	nvlist_free(search);
+
+	return (ret);
+}
+
 nvlist_t *
 zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare,
     boolean_t *l2cache, boolean_t *log)
 {
 	char buf[MAXPATHLEN];
-	const char *search;
 	char *end;
-	nvlist_t *nvroot;
+	nvlist_t *nvroot, *search, *ret;
 	uint64_t guid;
 
+	verify(nvlist_alloc(&search, NV_UNIQUE_NAME, KM_SLEEP) == 0);
+
 	guid = strtoull(path, &end, 10);
 	if (guid != 0 && *end == '\0') {
-		search = NULL;
+		verify(nvlist_add_uint64(search, ZPOOL_CONFIG_GUID, guid) == 0);
 	} else if (path[0] != '/') {
 		(void) snprintf(buf, sizeof (buf), "%s%s", "/dev/dsk/", path);
-		search = buf;
+		verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, buf) == 0);
 	} else {
-		search = path;
+		verify(nvlist_add_string(search, ZPOOL_CONFIG_PATH, path) == 0);
 	}
 
 	verify(nvlist_lookup_nvlist(zhp->zpool_config, ZPOOL_CONFIG_VDEV_TREE,
@@ -1486,8 +1565,10 @@ zpool_find_vdev(zpool_handle_t *zhp, const char *path, boolean_t *avail_spare,
 	*l2cache = B_FALSE;
 	if (log != NULL)
 		*log = B_FALSE;
-	return (vdev_to_nvlist_iter(nvroot, search, guid, avail_spare,
-	    l2cache, log));
+	ret = vdev_to_nvlist_iter(nvroot, search, avail_spare, l2cache, log);
+	nvlist_free(search);
+
+	return (ret);
 }
 
 static int
@@ -1504,80 +1585,141 @@ vdev_online(nvlist_t *nv)
 }
 
 /*
- * Get phys_path for a root pool
- * Return 0 on success; non-zeron on failure.
+ * Helper function for zpool_get_physpaths().
  */
-int
-zpool_get_physpath(zpool_handle_t *zhp, char *physpath)
+static int
+vdev_get_one_physpath(nvlist_t *config, char *physpath, size_t physpath_size,
+    size_t *bytes_written)
 {
-	nvlist_t *vdev_root;
-	nvlist_t **child;
-	uint_t count;
-	int i;
+	size_t bytes_left, pos, rsz;
+	char *tmppath;
+	const char *format;
 
-	/*
-	 * Make sure this is a root pool, as phys_path doesn't mean
-	 * anything to a non-root pool.
-	 */
-	if (!pool_is_bootable(zhp))
-		return (-1);
+	if (nvlist_lookup_string(config, ZPOOL_CONFIG_PHYS_PATH,
+	    &tmppath) != 0)
+		return (EZFS_NODEVICE);
 
-	verify(nvlist_lookup_nvlist(zhp->zpool_config,
-	    ZPOOL_CONFIG_VDEV_TREE, &vdev_root) == 0);
+	pos = *bytes_written;
+	bytes_left = physpath_size - pos;
+	format = (pos == 0) ? "%s" : " %s";
 
-	if (nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN,
-	    &child, &count) != 0)
-		return (-2);
+	rsz = snprintf(physpath + pos, bytes_left, format, tmppath);
+	*bytes_written += rsz;
 
-	for (i = 0; i < count; i++) {
-		nvlist_t **child2;
-		uint_t count2;
-		char *type;
-		char *tmppath;
-		int j;
+	if (rsz >= bytes_left) {
+		/* if physpath was not copied properly, clear it */
+		if (bytes_left != 0) {
+			physpath[pos] = 0;
+		}
+		return (EZFS_NOSPC);
+	}
+	return (0);
+}
 
-		if (nvlist_lookup_string(child[i], ZPOOL_CONFIG_TYPE, &type)
-		    != 0)
-			return (-3);
+static int
+vdev_get_physpaths(nvlist_t *nv, char *physpath, size_t phypath_size,
+    size_t *rsz, boolean_t is_spare)
+{
+	char *type;
+	int ret;
 
-		if (strcmp(type, VDEV_TYPE_DISK) == 0) {
-			if (!vdev_online(child[i]))
-				return (-8);
-			verify(nvlist_lookup_string(child[i],
-			    ZPOOL_CONFIG_PHYS_PATH, &tmppath) == 0);
-			(void) strncpy(physpath, tmppath, strlen(tmppath));
-		} else if (strcmp(type, VDEV_TYPE_MIRROR) == 0) {
-			if (nvlist_lookup_nvlist_array(child[i],
-			    ZPOOL_CONFIG_CHILDREN, &child2, &count2) != 0)
-				return (-4);
+	if (nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) != 0)
+		return (EZFS_INVALCONFIG);
 
-			for (j = 0; j < count2; j++) {
-				if (!vdev_online(child2[j]))
-					return (-8);
-				if (nvlist_lookup_string(child2[j],
-				    ZPOOL_CONFIG_PHYS_PATH, &tmppath) != 0)
-					return (-5);
+	if (strcmp(type, VDEV_TYPE_DISK) == 0) {
+		/*
+		 * An active spare device has ZPOOL_CONFIG_IS_SPARE set.
+		 * For a spare vdev, we only want to boot from the active
+		 * spare device.
+		 */
+		if (is_spare) {
+			uint64_t spare = 0;
+			(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_IS_SPARE,
+			    &spare);
+			if (!spare)
+				return (EZFS_INVALCONFIG);
+		}
 
-				if ((strlen(physpath) + strlen(tmppath)) >
-				    MAXNAMELEN)
-					return (-6);
+		if (vdev_online(nv)) {
+			if ((ret = vdev_get_one_physpath(nv, physpath,
+			    phypath_size, rsz)) != 0)
+				return (ret);
+		}
+	} else if (strcmp(type, VDEV_TYPE_MIRROR) == 0 ||
+	    strcmp(type, VDEV_TYPE_REPLACING) == 0 ||
+	    (is_spare = (strcmp(type, VDEV_TYPE_SPARE) == 0))) {
+		nvlist_t **child;
+		uint_t count;
+		int i, ret;
 
-				if (strlen(physpath) == 0) {
-					(void) strncpy(physpath, tmppath,
-					    strlen(tmppath));
-				} else {
-					(void) strcat(physpath, " ");
-					(void) strcat(physpath, tmppath);
-				}
-			}
-		} else {
-			return (-7);
+		if (nvlist_lookup_nvlist_array(nv,
+		    ZPOOL_CONFIG_CHILDREN, &child, &count) != 0)
+			return (EZFS_INVALCONFIG);
+
+		for (i = 0; i < count; i++) {
+			ret = vdev_get_physpaths(child[i], physpath,
+			    phypath_size, rsz, is_spare);
+			if (ret == EZFS_NOSPC)
+				return (ret);
 		}
 	}
 
+	return (EZFS_POOL_INVALARG);
+}
+
+/*
+ * Get phys_path for a root pool config.
+ * Return 0 on success; non-zero on failure.
+ */
+static int
+zpool_get_config_physpath(nvlist_t *config, char *physpath, size_t phypath_size)
+{
+	size_t rsz;
+	nvlist_t *vdev_root;
+	nvlist_t **child;
+	uint_t count;
+	char *type;
+
+	rsz = 0;
+
+	if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
+	    &vdev_root) != 0)
+		return (EZFS_INVALCONFIG);
+
+	if (nvlist_lookup_string(vdev_root, ZPOOL_CONFIG_TYPE, &type) != 0 ||
+	    nvlist_lookup_nvlist_array(vdev_root, ZPOOL_CONFIG_CHILDREN,
+	    &child, &count) != 0)
+		return (EZFS_INVALCONFIG);
+
+	/*
+	 * root pool can not have EFI labeled disks and can only have
+	 * a single top-level vdev.
+	 */
+	if (strcmp(type, VDEV_TYPE_ROOT) != 0 || count != 1 ||
+	    pool_uses_efi(vdev_root))
+		return (EZFS_POOL_INVALARG);
+
+	(void) vdev_get_physpaths(child[0], physpath, phypath_size, &rsz,
+	    B_FALSE);
+
+	/* No online devices */
+	if (rsz == 0)
+		return (EZFS_NODEVICE);
+
 	return (0);
 }
 
+/*
+ * Get phys_path for a root pool
+ * Return 0 on success; non-zero on failure.
+ */
+int
+zpool_get_physpath(zpool_handle_t *zhp, char *physpath, size_t phypath_size)
+{
+	return (zpool_get_config_physpath(zhp->zpool_config, physpath,
+	    phypath_size));
+}
+
 /*
  * Returns TRUE if the given guid corresponds to the given type.
  * This is used to check for hot spares (INUSE or not), and level 2 cache
@@ -1606,6 +1748,45 @@ is_guid_type(zpool_handle_t *zhp, uint64_t guid, const char *type)
 	return (B_FALSE);
 }
 
+/*
+ * If the device has being dynamically expanded then we need to relabel
+ * the disk to use the new unallocated space.
+ */
+static int
+zpool_relabel_disk(libzfs_handle_t *hdl, const char *name)
+{
+	char path[MAXPATHLEN];
+	char errbuf[1024];
+	int fd, error;
+	int (*_efi_use_whole_disk)(int);
+
+	if ((_efi_use_whole_disk = (int (*)(int))dlsym(RTLD_DEFAULT,
+	    "efi_use_whole_disk")) == NULL)
+		return (-1);
+
+	(void) snprintf(path, sizeof (path), "%s/%s", RDISK_ROOT, name);
+
+	if ((fd = open(path, O_RDWR | O_NDELAY)) < 0) {
+		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
+		    "relabel '%s': unable to open device"), name);
+		return (zfs_error(hdl, EZFS_OPENFAILED, errbuf));
+	}
+
+	/*
+	 * It's possible that we might encounter an error if the device
+	 * does not have any unallocated space left. If so, we simply
+	 * ignore that error and continue on.
+	 */
+	error = _efi_use_whole_disk(fd);
+	(void) close(fd);
+	if (error && error != VT_ENOSPC) {
+		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "cannot "
+		    "relabel '%s': unable to read disk capacity"), name);
+		return (zfs_error(hdl, EZFS_NOCAP, errbuf));
+	}
+	return (0);
+}
+
 /*
  * Bring the specified vdev online.   The 'flags' parameter is a set of the
  * ZFS_ONLINE_* flags.
@@ -1617,15 +1798,20 @@ zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
 	zfs_cmd_t zc = { 0 };
 	char msg[1024];
 	nvlist_t *tgt;
-	boolean_t avail_spare, l2cache;
+	boolean_t avail_spare, l2cache, islog;
 	libzfs_handle_t *hdl = zhp->zpool_hdl;
 
-	(void) snprintf(msg, sizeof (msg),
-	    dgettext(TEXT_DOMAIN, "cannot online %s"), path);
+	if (flags & ZFS_ONLINE_EXPAND) {
+		(void) snprintf(msg, sizeof (msg),
+		    dgettext(TEXT_DOMAIN, "cannot expand %s"), path);
+	} else {
+		(void) snprintf(msg, sizeof (msg),
+		    dgettext(TEXT_DOMAIN, "cannot online %s"), path);
+	}
 
 	(void) strlcpy(zc.zc_name, zhp->zpool_name, sizeof (zc.zc_name));
 	if ((tgt = zpool_find_vdev(zhp, path, &avail_spare, &l2cache,
-	    NULL)) == NULL)
+	    &islog)) == NULL)
 		return (zfs_error(hdl, EZFS_NODEVICE, msg));
 
 	verify(nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_GUID, &zc.zc_guid) == 0);
@@ -1634,6 +1820,31 @@ zpool_vdev_online(zpool_handle_t *zhp, const char *path, int flags,
 	    is_guid_type(zhp, zc.zc_guid, ZPOOL_CONFIG_SPARES) == B_TRUE)
 		return (zfs_error(hdl, EZFS_ISSPARE, msg));
 
+	if (flags & ZFS_ONLINE_EXPAND ||
+	    zpool_get_prop_int(zhp, ZPOOL_PROP_AUTOEXPAND, NULL)) {
+		char *pathname = NULL;
+		uint64_t wholedisk = 0;
+
+		(void) nvlist_lookup_uint64(tgt, ZPOOL_CONFIG_WHOLE_DISK,
+		    &wholedisk);
+		verify(nvlist_lookup_string(tgt, ZPOOL_CONFIG_PATH,
+		    &pathname) == 0);
+
+		/*
+		 * XXX - L2ARC 1.0 devices can't support expansion.
+		 */
+		if (l2cache) {
+			zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+			    "cannot expand cache devices"));
+			return (zfs_error(hdl, EZFS_VDEVNOTSUP, msg));
+		}
+
+		if (wholedisk) {
+			pathname += strlen(DISK_ROOT) + 1;
+			(void) zpool_relabel_disk(zhp->zpool_hdl, pathname);
+		}
+	}
+
 	zc.zc_cookie = VDEV_STATE_ONLINE;
 	zc.zc_obj = flags;
 
@@ -1684,6 +1895,12 @@ zpool_vdev_offline(zpool_handle_t *zhp, const char *path, boolean_t istmp)
 		 */
 		return (zfs_error(hdl, EZFS_NOREPLICAS, msg));
 
+	case EEXIST:
+		/*
+		 * The log device has unplayed logs
+		 */
+		return (zfs_error(hdl, EZFS_UNPLAYED_LOGS, msg));
+
 	default:
 		return (zpool_standard_error(hdl, errno, msg));
 	}
@@ -1888,6 +2105,14 @@ zpool_vdev_attach(zpool_handle_t *zhp,
 			(void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Please "
 			    "be sure to invoke %s to make '%s' bootable.\n"),
 			    BOOTCMD, new_disk);
+
+			/*
+			 * XXX need a better way to prevent user from
+			 * booting up a half-baked vdev.
+			 */
+			(void) fprintf(stderr, dgettext(TEXT_DOMAIN, "Make "
+			    "sure to wait until resilver is done "
+			    "before rebooting.\n"));
 		}
 		return (0);
 	}
@@ -2803,14 +3028,6 @@ zpool_obj_to_path(zpool_handle_t *zhp, uint64_t dsobj, uint64_t obj,
 	free(mntpnt);
 }
 
-#define	RDISK_ROOT	"/dev/rdsk"
-#define	BACKUP_SLICE	"s2"
-/*
- * Don't start the slice at the default block of 34; many storage
- * devices will use a stripe width of 128k, so start there instead.
- */
-#define	NEW_START_BLOCK	256
-
 /*
  * Read the EFI label from the config, if a label does not exist then
  * pass back the error to the caller. If the caller has passed a non-NULL

lib/libzfs/libzfs_sendrecv.c

@@ -237,6 +237,8 @@ send_iterate_prop(zfs_handle_t *zhp, nvlist_t *nv)
 		zfs_prop_t prop = zfs_name_to_prop(propname);
 		nvlist_t *propnv;
 
+		assert(zfs_prop_user(propname) || prop != ZPROP_INVAL);
+
 		if (!zfs_prop_user(propname) && zfs_prop_readonly(prop))
 			continue;
 
@@ -594,12 +596,18 @@ dump_filesystem(zfs_handle_t *zhp, void *arg)
 			    zhp->zfs_name, sdd->fromsnap);
 			sdd->err = B_TRUE;
 		} else if (!sdd->seento) {
-			(void) fprintf(stderr,
-			    "WARNING: could not send %s@%s:\n"
-			    "incremental source (%s@%s) "
-			    "is not earlier than it\n",
-			    zhp->zfs_name, sdd->tosnap,
-			    zhp->zfs_name, sdd->fromsnap);
+			if (sdd->fromsnap) {
+				(void) fprintf(stderr,
+				    "WARNING: could not send %s@%s:\n"
+				    "incremental source (%s@%s) "
+				    "is not earlier than it\n",
+				    zhp->zfs_name, sdd->tosnap,
+				    zhp->zfs_name, sdd->fromsnap);
+			} else {
+				(void) fprintf(stderr, "WARNING: "
+				    "could not send %s@%s: does not exist\n",
+				    zhp->zfs_name, sdd->tosnap);
+			}
 			sdd->err = B_TRUE;
 		}
 	} else {

lib/libzfs/libzfs_util.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.
  */
 
@@ -210,6 +210,9 @@ libzfs_error_description(libzfs_handle_t *hdl)
 	case EZFS_ACTIVE_SPARE:
 		return (dgettext(TEXT_DOMAIN, "pool has active shared spare "
 		    "device"));
+	case EZFS_UNPLAYED_LOGS:
+		return (dgettext(TEXT_DOMAIN, "log device has unplayed intent "
+		    "logs"));
 	case EZFS_UNKNOWN:
 		return (dgettext(TEXT_DOMAIN, "unknown error"));
 	default:
@@ -364,6 +367,11 @@ zfs_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
 	case ENOTSUP:
 		zfs_verror(hdl, EZFS_BADVERSION, fmt, ap);
 		break;
+	case EAGAIN:
+		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+		    "pool I/O is currently suspended"));
+		zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap);
+		break;
 	default:
 		zfs_error_aux(hdl, strerror(errno));
 		zfs_verror(hdl, EZFS_UNKNOWN, fmt, ap);
@@ -437,6 +445,11 @@ zpool_standard_error_fmt(libzfs_handle_t *hdl, int error, const char *fmt, ...)
 	case EDQUOT:
 		zfs_verror(hdl, EZFS_NOSPC, fmt, ap);
 		return (-1);
+	case EAGAIN:
+		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
+		    "pool I/O is currently suspended"));
+		zfs_verror(hdl, EZFS_POOLUNAVAIL, fmt, ap);
+		break;
 
 	default:
 		zfs_error_aux(hdl, strerror(error));
@@ -575,6 +588,7 @@ libzfs_init(void)
 
 	zfs_prop_init();
 	zpool_prop_init();
+	libzfs_mnttab_init(hdl);
 
 	return (hdl);
 }
@@ -592,6 +606,7 @@ libzfs_fini(libzfs_handle_t *hdl)
 		(void) free(hdl->libzfs_log_str);
 	zpool_free_handles(hdl);
 	namespace_clear(hdl);
+	libzfs_mnttab_fini(hdl);
 	free(hdl);
 }
 
@@ -1209,7 +1224,7 @@ addlist(libzfs_handle_t *hdl, char *propname, zprop_list_t **listp,
 	 * dataset property,
 	 */
 	if (prop == ZPROP_INVAL && (type == ZFS_TYPE_POOL ||
-	    !zfs_prop_user(propname))) {
+	    (!zfs_prop_user(propname) && !zfs_prop_userquota(propname)))) {
 		zfs_error_aux(hdl, dgettext(TEXT_DOMAIN,
 		    "invalid property '%s'"), propname);
 		return (zfs_error(hdl, EZFS_BADPROP,

lib/libzpool/include/sys/zfs_context.h

@@ -59,6 +59,7 @@ extern "C" {
 #include <atomic.h>
 #include <dirent.h>
 #include <time.h>
+#include <libsysevent.h>
 #include <sys/note.h>
 #include <sys/types.h>
 #include <sys/cred.h>
@@ -73,6 +74,7 @@ extern "C" {
 #include <sys/kstat.h>
 #include <sys/u8_textprep.h>
 #include <sys/sysevent/eventdefs.h>
+#include <sys/sysevent/dev.h>
 
 /*
  * Debugging
@@ -316,6 +318,7 @@ typedef void (task_func_t)(void *);
 #define	TASKQ_PREPOPULATE	0x0001
 #define	TASKQ_CPR_SAFE		0x0002	/* Use CPR safe protocol */
 #define	TASKQ_DYNAMIC		0x0004	/* Use dynamic thread scheduling */
+#define	TASKQ_THREADS_CPU_PCT	0x0008	/* Use dynamic thread scheduling */
 
 #define	TQ_SLEEP	KM_SLEEP	/* Can block for memory */
 #define	TQ_NOSLEEP	KM_NOSLEEP	/* cannot block for memory; may fail */
@@ -540,6 +543,10 @@ typedef struct ksiddomain {
 ksiddomain_t *ksid_lookupdomain(const char *);
 void ksiddomain_rele(ksiddomain_t *);
 
+#define	DDI_SLEEP	KM_SLEEP
+#define	ddi_log_sysevent(_a, _b, _c, _d, _e, _f, _g) \
+	sysevent_post_event(_c, _d, _b, "libzpool", _e, _f)
+
 #ifdef	__cplusplus
 }
 #endif

lib/libzpool/taskq.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.
  */
 
@@ -174,6 +174,19 @@ taskq_create(const char *name, int nthreads, pri_t pri,
 	taskq_t *tq = kmem_zalloc(sizeof (taskq_t), KM_SLEEP);
 	int t;
 
+	if (flags & TASKQ_THREADS_CPU_PCT) {
+		int pct;
+		ASSERT3S(nthreads, >=, 0);
+		ASSERT3S(nthreads, <=, 100);
+		pct = MIN(nthreads, 100);
+		pct = MAX(pct, 0);
+
+		nthreads = (sysconf(_SC_NPROCESSORS_ONLN) * pct) / 100;
+		nthreads = MAX(nthreads, 1);	/* need at least 1 thread */
+	} else {
+		ASSERT3S(nthreads, >=, 1);
+	}
+
 	rw_init(&tq->tq_threadlock, NULL, RW_DEFAULT, NULL);
 	mutex_init(&tq->tq_lock, NULL, MUTEX_DEFAULT, NULL);
 	cv_init(&tq->tq_dispatch_cv, NULL, CV_DEFAULT, NULL);