2882 implement libzfs_core
2883 changing "canmount" property to "on" should not always remount dataset
2900 "zfs snapshot" should be able to create multiple, arbitrary snapshots at once
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Chris Siden <christopher.siden@delphix.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Bill Pijewski <wdp@joyent.com>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>

@@ -50,10 +50,11 @@
 typedef struct zilog zilog_t;
 typedef struct spa_aux_vdev spa_aux_vdev_t;
 typedef struct ddt ddt_t;
 typedef struct ddt_entry ddt_entry_t;
 struct dsl_pool;
+struct dsl_dataset;
 
 /*
  * General-purpose 32-bit and 64-bit bitfield encodings.
  */
 #define BF32_DECODE(x, low, len)        P2PHASE((x) >> (low), 1U << (len))

@@ -416,11 +417,11 @@
 extern int spa_open_rewind(const char *pool, spa_t **, void *tag,
     nvlist_t *policy, nvlist_t **config);
 extern int spa_get_stats(const char *pool, nvlist_t **config, char *altroot,
     size_t buflen);
 extern int spa_create(const char *pool, nvlist_t *config, nvlist_t *props,
-    const char *history_str, nvlist_t *zplprops);
+    nvlist_t *zplprops);
 extern int spa_import_rootpool(char *devpath, char *devid);
 extern int spa_import(const char *pool, nvlist_t *config, nvlist_t *props,
     uint64_t flags);
 extern nvlist_t *spa_tryimport(nvlist_t *tryconfig);
 extern int spa_destroy(char *pool);

@@ -630,35 +631,24 @@
 extern boolean_t spa_writeable(spa_t *spa);
 
 extern int spa_mode(spa_t *spa);
 extern uint64_t strtonum(const char *str, char **nptr);
 
-/* history logging */
-typedef enum history_log_type {
-        LOG_CMD_POOL_CREATE,
-        LOG_CMD_NORMAL,
-        LOG_INTERNAL
-} history_log_type_t;
-
-typedef struct history_arg {
-        char *ha_history_str;
-        history_log_type_t ha_log_type;
-        history_internal_events_t ha_event;
-        char *ha_zone;
-        uid_t ha_uid;
-} history_arg_t;
-
 extern char *spa_his_ievent_table[];
 
 extern void spa_history_create_obj(spa_t *spa, dmu_tx_t *tx);
 extern int spa_history_get(spa_t *spa, uint64_t *offset, uint64_t *len_read,
     char *his_buf);
-extern int spa_history_log(spa_t *spa, const char *his_buf,
-    history_log_type_t what);
-extern void spa_history_log_internal(history_internal_events_t event,
-    spa_t *spa, dmu_tx_t *tx, const char *fmt, ...);
-extern void spa_history_log_version(spa_t *spa, history_internal_events_t evt);
+extern int spa_history_log(spa_t *spa, const char *his_buf);
+extern int spa_history_log_nvl(spa_t *spa, nvlist_t *nvl);
+extern void spa_history_log_version(spa_t *spa, const char *operation);
+extern void spa_history_log_internal(spa_t *spa, const char *operation,
+    dmu_tx_t *tx, const char *fmt, ...);
+extern void spa_history_log_internal_ds(struct dsl_dataset *ds, const char *op,
+    dmu_tx_t *tx, const char *fmt, ...);
+extern void spa_history_log_internal_dd(dsl_dir_t *dd, const char *operation,
+    dmu_tx_t *tx, const char *fmt, ...);
 
 /* error handling */
 struct zbookmark;
 extern void spa_log_error(spa_t *spa, zio_t *zio);
 extern void zfs_ereport_post(const char *class, spa_t *spa, vdev_t *vd,