68 static zfs_dsl_dir_t *dsl_dir_alloc(zfs_opt_t *zfs, const char *name);
69 static zfs_dsl_dataset_t *dsl_dataset_alloc(zfs_opt_t *zfs, zfs_dsl_dir_t *dir);
99 dsl_dir_get_mountpoint(zfs_opt_t *zfs, zfs_dsl_dir_t *dir)  in dsl_dir_get_mountpoint()  argument
136 	assert(strstr(mountpoint, zfs->rootpath) == mountpoint);  in dsl_dir_get_mountpoint()
155 dsl_dir_set_prop(zfs_opt_t *zfs, zfs_dsl_dir_t *dir, const char *key,  in dsl_dir_set_prop()  argument
170 			if (strcmp(val, zfs->rootpath) != 0 &&  in dsl_dir_set_prop()
171 			    strcmp(zfs->rootpath, "/") != 0 &&  in dsl_dir_set_prop()
172 			    (strstr(val, zfs->rootpath) != val ||  in dsl_dir_set_prop()
173 			     val[strlen(zfs->rootpath)] != '/')) {  in dsl_dir_set_prop()
175 				    "the root path `%s'", val, zfs->rootpath);  in dsl_dir_set_prop()
235 dsl_metadir_alloc(zfs_opt_t *zfs, const char *name)  in dsl_metadir_alloc()  argument
240 	(void)easprintf(&path, "%s/%s", zfs->poolname, name);  in dsl_metadir_alloc()
241 	dir = dsl_dir_alloc(zfs, path);  in dsl_metadir_alloc()
247 dsl_origindir_init(zfs_opt_t *zfs)  in dsl_origindir_init()  argument
252 	zfs->origindsldir = dsl_metadir_alloc(zfs, "$ORIGIN");  in dsl_origindir_init()
253 	zfs->originds = dsl_dataset_alloc(zfs, zfs->origindsldir);  in dsl_origindir_init()
254 	zfs->snapds = dsl_dataset_alloc(zfs, zfs->origindsldir);  in dsl_origindir_init()
256 	clones = objset_dnode_alloc(zfs->mos, DMU_OT_DSL_CLONES, &clonesid);  in dsl_origindir_init()
257 	zfs->cloneszap = zap_alloc(zfs->mos, clones);  in dsl_origindir_init()
258 	zfs->origindsldir->phys->dd_clones = clonesid;  in dsl_origindir_init()
262 dsl_init(zfs_opt_t *zfs)  in dsl_init()  argument
270 	zfs->rootdsldir = dsl_dir_alloc(zfs, NULL);  in dsl_init()
272 	zfs->rootds = dsl_dataset_alloc(zfs, zfs->rootdsldir);  in dsl_init()
273 	zfs->rootdsldir->headds = zfs->rootds;  in dsl_init()
275 	zfs->mosdsldir = dsl_metadir_alloc(zfs, "$MOS");  in dsl_init()
276 	zfs->freedsldir = dsl_metadir_alloc(zfs, "$FREE");  in dsl_init()
277 	dsl_origindir_init(zfs);  in dsl_init()
283 	STAILQ_FOREACH(d, &zfs->datasetdescs, next) {  in dsl_init()
289 		if (strcmp(dsname, zfs->poolname) == 0) {  in dsl_init()
294 			dir = zfs->rootdsldir;  in dsl_init()
299 			if (strstr(dsname, zfs->poolname) != dsname ||  in dsl_init()
301 			    (size_t)(next - dsname) != strlen(zfs->poolname)) {  in dsl_init()
303 				    dsname, zfs->poolname);  in dsl_init()
305 			dir = dsl_dir_alloc(zfs, dsname);  in dsl_init()
306 			dir->headds = dsl_dataset_alloc(zfs, dir);  in dsl_init()
316 			dsl_dir_set_prop(zfs, dir, key, val);  in dsl_init()
324 	if (nvpair_find(zfs->rootdsldir->propsnv, "compression") == NULL) {  in dsl_init()
325 		(void)nvlist_add_uint64(zfs->rootdsldir->propsnv,  in dsl_init()
328 	if (nvpair_find(zfs->rootdsldir->propsnv, "mountpoint") == NULL) {  in dsl_init()
329 		(void)nvlist_add_string(zfs->rootdsldir->propsnv, "mountpoint",  in dsl_init()
330 		    zfs->rootpath);  in dsl_init()
347 dsl_dir_foreach_post(zfs_opt_t *zfs, zfs_dsl_dir_t *dsldir,  in dsl_dir_foreach_post()  argument
353 		dsl_dir_foreach_post(zfs, cdsldir, cb, arg);  in dsl_dir_foreach_post()
355 	cb(zfs, dsldir, arg);  in dsl_dir_foreach_post()
362 dsl_dir_foreach(zfs_opt_t *zfs, zfs_dsl_dir_t *dsldir,  in dsl_dir_foreach()  argument
365 	dsl_dir_foreach_post(zfs, dsldir, cb, arg);  in dsl_dir_foreach()
385 dsl_dir_alloc(zfs_opt_t *zfs, const char *name)  in dsl_dir_alloc()  argument
395 	dnode = objset_dnode_bonus_alloc(zfs->mos, DMU_OT_DSL_DIR,  in dsl_dir_alloc()
399 	dnode = objset_dnode_alloc(zfs->mos, DMU_OT_DSL_PROPS, &propsid);  in dsl_dir_alloc()
400 	dir->propszap = zap_alloc(zfs->mos, dnode);  in dsl_dir_alloc()
402 	dnode = objset_dnode_alloc(zfs->mos, DMU_OT_DSL_DIR_CHILD_MAP,  in dsl_dir_alloc()
404 	dir->childzap = zap_alloc(zfs->mos, dnode);  in dsl_dir_alloc()
416 		dir->name = estrdup(zfs->poolname);  in dsl_dir_alloc()
417 		dir->fullname = estrdup(zfs->poolname);  in dsl_dir_alloc()
421 		assert(zfs->rootdsldir == NULL);  in dsl_dir_alloc()
422 		zfs->rootdsldir = dir;  in dsl_dir_alloc()
432 	STAILQ_INSERT_HEAD(&l, zfs->rootdsldir, next);  in dsl_dir_alloc()
473 dsl_dir_root_finalize(zfs_opt_t *zfs, uint64_t bytes)  in dsl_dir_root_finalize()  argument
475 	dsl_dir_size_add(zfs->mosdsldir, bytes);  in dsl_dir_root_finalize()
476 	zfs->mosdsldir->phys->dd_used_breakdown[DD_USED_HEAD] += bytes;  in dsl_dir_root_finalize()
478 	dsl_dir_size_add(zfs->rootdsldir, bytes);  in dsl_dir_root_finalize()
479 	zfs->rootdsldir->phys->dd_used_breakdown[DD_USED_CHILD] += bytes;  in dsl_dir_root_finalize()
526 dsl_dir_finalize(zfs_opt_t *zfs, zfs_dsl_dir_t *dir, void *arg __unused)  in dsl_dir_finalize()  argument
535 	zap_write(zfs, dir->propszap);  in dsl_dir_finalize()
536 	zap_write(zfs, dir->childzap);  in dsl_dir_finalize()
545 	snapnames = objset_dnode_alloc(zfs->mos, DMU_OT_DSL_DS_SNAP_MAP,  in dsl_dir_finalize()
547 	zap_write(zfs, zap_alloc(zfs->mos, snapnames));  in dsl_dir_finalize()
550 	dir->phys->dd_clone_parent_obj = zfs->snapds->dsid;  in dsl_dir_finalize()
551 	headds->phys->ds_prev_snap_obj = zfs->snapds->dsid;  in dsl_dir_finalize()
555 	zfs->snapds->phys->ds_num_children++;  in dsl_dir_finalize()
556 	zap_add_uint64_self(zfs->cloneszap, headds->dsid);  in dsl_dir_finalize()
572 		if (dir == zfs->rootdsldir && cdir == zfs->mosdsldir)  in dsl_dir_finalize()
584 dsl_write(zfs_opt_t *zfs)  in dsl_write()  argument
595 	dsl_dir_foreach_post(zfs, zfs->rootdsldir, dsl_dir_finalize, NULL);  in dsl_write()
597 	snapnames = objset_dnode_alloc(zfs->mos, DMU_OT_DSL_DS_SNAP_MAP,  in dsl_write()
599 	snapnameszap = zap_alloc(zfs->mos, snapnames);  in dsl_write()
600 	zap_add_uint64(snapnameszap, "$ORIGIN", zfs->snapds->dsid);  in dsl_write()
601 	zap_write(zfs, snapnameszap);  in dsl_write()
603 	zfs->origindsldir->phys->dd_head_dataset_obj = zfs->originds->dsid;  in dsl_write()
604 	zfs->originds->phys->ds_prev_snap_obj = zfs->snapds->dsid;  in dsl_write()
605 	zfs->originds->phys->ds_snapnames_zapobj = snapmapid;  in dsl_write()
607 	zfs->snapds->phys->ds_next_snap_obj = zfs->originds->dsid;  in dsl_write()
608 	assert(zfs->snapds->phys->ds_num_children > 0);  in dsl_write()
609 	zfs->snapds->phys->ds_num_children++;  in dsl_write()
611 	zap_write(zfs, zfs->cloneszap);  in dsl_write()
617 dsl_dir_dataset_write(zfs_opt_t *zfs, zfs_objset_t *os, zfs_dsl_dir_t *dir)  in dsl_dir_dataset_write()  argument
620 	objset_write(zfs, os);  in dsl_dir_dataset_write()
636 dsl_dataset_alloc(zfs_opt_t *zfs, zfs_dsl_dir_t *dir)  in dsl_dataset_alloc()  argument
644 	dnode = objset_dnode_bonus_alloc(zfs->mos, DMU_OT_DSL_DATASET,  in dsl_dataset_alloc()
648 	dnode = objset_dnode_bonus_alloc(zfs->mos, DMU_OT_DEADLIST,  in dsl_dataset_alloc()
650 	zap_write(zfs, zap_alloc(zfs->mos, dnode));  in dsl_dataset_alloc()
655 	if (ds != zfs->snapds)  in dsl_dataset_alloc()