Illumos #1092: zfs refratio property
[zfs.git] / module / zfs / dsl_dataset.c
index 96a8b66..26362c9 100644 (file)
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 by Delphix. All rights reserved.
  */
 
 #include <sys/dmu_objset.h>
@@ -2153,7 +2154,7 @@ dsl_dataset_sync(dsl_dataset_t *ds, zio_t *zio, dmu_tx_t *tx)
 void
 dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv)
 {
-       uint64_t refd, avail, uobjs, aobjs;
+       uint64_t refd, avail, uobjs, aobjs, ratio;
 
        dsl_dir_stats(ds->ds_dir, nv);
 
@@ -2180,6 +2181,11 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv)
        dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_DEFER_DESTROY,
            DS_IS_DEFER_DESTROY(ds) ? 1 : 0);
 
+       ratio = ds->ds_phys->ds_compressed_bytes == 0 ? 100 :
+           (ds->ds_phys->ds_uncompressed_bytes * 100 /
+           ds->ds_phys->ds_compressed_bytes);
+       dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_REFRATIO, ratio);
+
        if (ds->ds_phys->ds_next_snap_obj) {
                /*
                 * This is a snapshot; override the dd's space used with
@@ -2187,10 +2193,7 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv)
                 */
                dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USED,
                    ds->ds_phys->ds_unique_bytes);
-               dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_COMPRESSRATIO,
-                   ds->ds_phys->ds_compressed_bytes == 0 ? 100 :
-                   (ds->ds_phys->ds_uncompressed_bytes * 100 /
-                   ds->ds_phys->ds_compressed_bytes));
+               dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_COMPRESSRATIO, ratio);
        }
 }
 
@@ -2370,7 +2373,8 @@ dsl_snapshot_rename_one(const char *name, void *arg)
                return (err == ENOENT ? 0 : err);
        }
 
-#ifdef _KERNEL
+/* XXX: Ignore for SPL version until mounting the FS is supported */
+#if defined(_KERNEL) && !defined(HAVE_SPL)
        /*
         * For all filesystems undergoing rename, we'll need to unmount it.
         */
@@ -4036,3 +4040,51 @@ dsl_destroy_inconsistent(const char *dsname, void *arg)
        }
        return (0);
 }
+
+#if defined(_KERNEL) && defined(HAVE_SPL)
+EXPORT_SYMBOL(dsl_dataset_hold);
+EXPORT_SYMBOL(dsl_dataset_hold_obj);
+EXPORT_SYMBOL(dsl_dataset_own);
+EXPORT_SYMBOL(dsl_dataset_own_obj);
+EXPORT_SYMBOL(dsl_dataset_name);
+EXPORT_SYMBOL(dsl_dataset_rele);
+EXPORT_SYMBOL(dsl_dataset_disown);
+EXPORT_SYMBOL(dsl_dataset_drop_ref);
+EXPORT_SYMBOL(dsl_dataset_tryown);
+EXPORT_SYMBOL(dsl_dataset_make_exclusive);
+EXPORT_SYMBOL(dsl_dataset_create_sync);
+EXPORT_SYMBOL(dsl_dataset_create_sync_dd);
+EXPORT_SYMBOL(dsl_dataset_destroy);
+EXPORT_SYMBOL(dsl_snapshots_destroy);
+EXPORT_SYMBOL(dsl_dataset_destroy_check);
+EXPORT_SYMBOL(dsl_dataset_destroy_sync);
+EXPORT_SYMBOL(dsl_dataset_snapshot_check);
+EXPORT_SYMBOL(dsl_dataset_snapshot_sync);
+EXPORT_SYMBOL(dsl_dataset_rename);
+EXPORT_SYMBOL(dsl_dataset_promote);
+EXPORT_SYMBOL(dsl_dataset_clone_swap);
+EXPORT_SYMBOL(dsl_dataset_user_hold);
+EXPORT_SYMBOL(dsl_dataset_user_release);
+EXPORT_SYMBOL(dsl_dataset_user_release_tmp);
+EXPORT_SYMBOL(dsl_dataset_get_holds);
+EXPORT_SYMBOL(dsl_dataset_get_blkptr);
+EXPORT_SYMBOL(dsl_dataset_set_blkptr);
+EXPORT_SYMBOL(dsl_dataset_get_spa);
+EXPORT_SYMBOL(dsl_dataset_modified_since_lastsnap);
+EXPORT_SYMBOL(dsl_dataset_sync);
+EXPORT_SYMBOL(dsl_dataset_block_born);
+EXPORT_SYMBOL(dsl_dataset_block_kill);
+EXPORT_SYMBOL(dsl_dataset_block_freeable);
+EXPORT_SYMBOL(dsl_dataset_prev_snap_txg);
+EXPORT_SYMBOL(dsl_dataset_dirty);
+EXPORT_SYMBOL(dsl_dataset_stats);
+EXPORT_SYMBOL(dsl_dataset_fast_stat);
+EXPORT_SYMBOL(dsl_dataset_space);
+EXPORT_SYMBOL(dsl_dataset_fsid_guid);
+EXPORT_SYMBOL(dsl_dsobj_to_dsname);
+EXPORT_SYMBOL(dsl_dataset_check_quota);
+EXPORT_SYMBOL(dsl_dataset_set_quota);
+EXPORT_SYMBOL(dsl_dataset_set_quota_sync);
+EXPORT_SYMBOL(dsl_dataset_set_reservation);
+EXPORT_SYMBOL(dsl_destroy_inconsistent);
+#endif