Function dnode_try_claim

freebsd/contrib/openzfs/module/zfs/dnode.c:1648–1653

* Test whether we can create a dnode at the specified location. */

 * Test whether we can create a dnode at the specified location.
 */
int
dnode_try_claim(objset_t *os, uint64_t object, int slots)
{
	return (dnode_hold_impl(os, object, DNODE_MUST_BE_FREE | DNODE_DRY_RUN,
	    slots, NULL, NULL));
}

void
dnode_setdirty(dnode_t *dn, dmu_tx_t *tx)