C++ (Cpp) dsl_dataset_create_sync示例

示例#1

文件： dmu_objset.c 项目： tommiatplayfish/zfs-crypto

static void
dmu_objset_create_sync(void *arg1, void *arg2, dmu_tx_t *tx)
{
	dsl_dir_t *dd = arg1;
	spa_t *spa = dd->dd_pool->dp_spa;
	struct oscarg *oa = arg2;
	uint64_t obj;

	ASSERT(dmu_tx_is_syncing(tx));

	obj = dsl_dataset_create_sync(dd, oa->lastname,
        oa->clone_origin, oa->crypto_ctx, oa->flags, oa->cr, tx);

	if (oa->clone_origin == NULL) {
		dsl_pool_t *dp = dd->dd_pool;
		dsl_dataset_t *ds;
		blkptr_t *bp;
		objset_t *os;

		VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, obj, FTAG, &ds));
		bp = dsl_dataset_get_blkptr(ds);
		ASSERT(BP_IS_HOLE(bp));

		os = dmu_objset_create_impl(spa, ds, bp, oa->type,
                                    oa->crypto_ctx, tx);

		if (oa->userfunc)
			oa->userfunc(os, oa->userarg, oa->cr, tx);
		dsl_dataset_rele(ds, FTAG);
	}

示例#2

static void
dmu_objset_create_sync(void *arg, dmu_tx_t *tx)
{
	dmu_objset_create_arg_t *doca = arg;
	dsl_pool_t *dp = dmu_tx_pool(tx);
	dsl_dir_t *pdd;
	const char *tail;
	dsl_dataset_t *ds;
	uint64_t obj;
	blkptr_t *bp;
	objset_t *os;

	VERIFY0(dsl_dir_hold(dp, doca->doca_name, FTAG, &pdd, &tail));

	obj = dsl_dataset_create_sync(pdd, tail, NULL, doca->doca_flags,
	    doca->doca_cred, tx);

	VERIFY0(dsl_dataset_hold_obj(pdd->dd_pool, obj, FTAG, &ds));
	bp = dsl_dataset_get_blkptr(ds);
	os = dmu_objset_create_impl(pdd->dd_pool->dp_spa,
	    ds, bp, doca->doca_type, tx);

	if (doca->doca_userfunc != NULL) {
		doca->doca_userfunc(os, doca->doca_userarg,
		    doca->doca_cred, tx);
	}

	spa_history_log_internal_ds(ds, "create", tx, "");
	dsl_dataset_rele(ds, FTAG);
	dsl_dir_rele(pdd, FTAG);
}

示例#3

static void
dmu_objset_clone_sync(void *arg, dmu_tx_t *tx)
{
	dmu_objset_clone_arg_t *doca = arg;
	dsl_pool_t *dp = dmu_tx_pool(tx);
	dsl_dir_t *pdd;
	const char *tail;
	dsl_dataset_t *origin, *ds;
	uint64_t obj;
	char namebuf[MAXNAMELEN];

	VERIFY0(dsl_dir_hold(dp, doca->doca_clone, FTAG, &pdd, &tail));
	VERIFY0(dsl_dataset_hold(dp, doca->doca_origin, FTAG, &origin));

	obj = dsl_dataset_create_sync(pdd, tail, origin, 0,
	    doca->doca_cred, tx);

	VERIFY0(dsl_dataset_hold_obj(pdd->dd_pool, obj, FTAG, &ds));
	dsl_dataset_name(origin, namebuf);
	spa_history_log_internal_ds(ds, "clone", tx,
	    "origin=%s (%llu)", namebuf, origin->ds_object);
	dsl_dataset_rele(ds, FTAG);
	dsl_dataset_rele(origin, FTAG);
	dsl_dir_rele(pdd, FTAG);
}

示例#4

文件： dmu_objset.c 项目： roddi/maczfs-10a286

static void
dmu_objset_create_sync(void *arg1, void *arg2, cred_t *cr, dmu_tx_t *tx)
{
	dsl_dir_t *dd = arg1;
	struct oscarg *oa = arg2;
	dsl_dataset_t *ds;
	blkptr_t *bp;
	uint64_t dsobj;

	ASSERT(dmu_tx_is_syncing(tx));

	dsobj = dsl_dataset_create_sync(dd, oa->lastname,
	    oa->clone_parent, oa->flags, cr, tx);

	VERIFY(0 == dsl_dataset_hold_obj(dd->dd_pool, dsobj, FTAG, &ds));
	bp = dsl_dataset_get_blkptr(ds);
	if (BP_IS_HOLE(bp)) {
		objset_impl_t *osi;

		/* This is an empty dmu_objset; not a clone. */
		osi = dmu_objset_create_impl(dsl_dataset_get_spa(ds),
		    ds, bp, oa->type, tx);

		if (oa->userfunc)
			oa->userfunc(&osi->os, oa->userarg, cr, tx);
	}

	spa_history_internal_log(LOG_DS_CREATE, dd->dd_pool->dp_spa,
	    tx, cr, "dataset = %llu", dsobj);

	dsl_dataset_rele(ds, FTAG);
}