C++ (Cpp) spa_load_guid Examples

Example #1

File: dsl_userhold.c Project: apprisi/illumos-gate

static void
dsl_dataset_user_release_onexit(void *arg)
{
	zfs_hold_cleanup_arg_t *ca = arg;
	spa_t *spa;
	int error;

	error = spa_open(ca->zhca_spaname, &spa, FTAG);
	if (error != 0) {
		zfs_dbgmsg("couldn't release holds on pool=%s "
		    "because pool is no longer loaded",
		    ca->zhca_spaname);
		return;
	}
	if (spa_load_guid(spa) != ca->zhca_spa_load_guid) {
		zfs_dbgmsg("couldn't release holds on pool=%s "
		    "because pool is no longer loaded (guid doesn't match)",
		    ca->zhca_spaname);
		spa_close(spa, FTAG);
		return;
	}

	(void) dsl_dataset_user_release_tmp(spa_get_dsl(spa), ca->zhca_holds);
	fnvlist_free(ca->zhca_holds);
	kmem_free(ca, sizeof (zfs_hold_cleanup_arg_t));
	spa_close(spa, FTAG);
}

Example #2

File: dsl_userhold.c Project: AB17/zfs

void
dsl_register_onexit_hold_cleanup(dsl_dataset_t *ds, const char *htag,
    minor_t minor)
{
	zfs_hold_cleanup_arg_t *ca = kmem_alloc(sizeof (*ca), KM_PUSHPAGE);
	spa_t *spa = dsl_dataset_get_spa(ds);
	(void) strlcpy(ca->zhca_spaname, spa_name(spa),
	    sizeof (ca->zhca_spaname));
	ca->zhca_spa_load_guid = spa_load_guid(spa);
	ca->zhca_dsobj = ds->ds_object;
	(void) strlcpy(ca->zhca_htag, htag, sizeof (ca->zhca_htag));
	VERIFY0(zfs_onexit_add_cb(minor,
	    dsl_dataset_user_release_onexit, ca, NULL));
}

Example #3

File: dsl_userhold.c Project: apprisi/illumos-gate

static void
dsl_onexit_hold_cleanup(spa_t *spa, nvlist_t *holds, minor_t minor)
{
	zfs_hold_cleanup_arg_t *ca;

	if (minor == 0 || nvlist_empty(holds)) {
		fnvlist_free(holds);
		return;
	}

	ASSERT(spa != NULL);
	ca = kmem_alloc(sizeof (*ca), KM_SLEEP);

	(void) strlcpy(ca->zhca_spaname, spa_name(spa),
	    sizeof (ca->zhca_spaname));
	ca->zhca_spa_load_guid = spa_load_guid(spa);
	ca->zhca_holds = holds;
	VERIFY0(zfs_onexit_add_cb(minor,
	    dsl_dataset_user_release_onexit, ca, NULL));
}