fs/zfs/zvol.c

9  * or http://www.opensolaris.org/os/licensing.
211 zvol_get_stats(objset_t *os, nvlist_t *nv)
217 	error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &val);
223 	error = dmu_object_info(os, ZVOL_OBJ, &doi);
330 	objset_t *os = zv->zv_objset;
339 	txg_wait_synced(dmu_objset_pool(os), 0);
340 	err = traverse_dataset(dmu_objset_ds(os), 0,
352 zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx)
374 	error = dmu_object_claim(os, ZVOL_OBJ, DMU_OT_ZVOL, volblocksize,
378 	error = zap_create_claim(os, ZVOL_ZAP_OBJ, DMU_OT_ZVOL_PROP,
382 	error = zap_update(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize, tx);
393 	objset_t *os = zv->zv_objset;
414 	tx = dmu_tx_create(os);
420 		dmu_write(os, ZVOL_OBJ, offset, length, data, tx);
481 	objset_t *os;
498 	error = dmu_objset_own(name, DMU_OST_ZVOL, B_TRUE, zvol_tag, &os);
543 		dmu_objset_disown(os, zvol_tag);
550 		dmu_objset_disown(os, zvol_tag);
561 		dmu_objset_disown(os, zvol_tag);
571 		dmu_objset_disown(os, zvol_tag);
581 	zv->zv_objset = os;
582 	if (dmu_objset_is_snapshot(os))
590 	error = dmu_object_info(os, ZVOL_OBJ, &doi);
598 	zil_replay(os, zv, zvol_replay_vector);
599 	dmu_objset_disown(os, zvol_tag);
659 	objset_t *os;
666 	    zvol_tag, &os);
670 	error = zap_lookup(os, ZVOL_ZAP_OBJ, "size", 8, 1, &volsize);
673 		dmu_objset_disown(os, zvol_tag);
676 	zv->zv_objset = os;
678 	zv->zv_zilog = zil_open(os, zvol_get_data);
683 	if (readonly || dmu_objset_is_snapshot(os))
708 	objset_t *os = zv->zv_objset;
715 	dmu_objset_space(os, &refd, &avail, &usedobjs, &availobjs);
726 		tx = dmu_tx_create(os);
731 			(void) dmu_free_long_range(os, ZVOL_OBJ, 0, off);
734 		dmu_prealloc(os, ZVOL_OBJ, off, bytes, tx);
739 	txg_wait_synced(dmu_objset_pool(os), 0);
745 zvol_update_volsize(objset_t *os, uint64_t volsize)
752 	tx = dmu_tx_create(os);
760 	error = zap_update(os, ZVOL_ZAP_OBJ, "size", 8, 1,
765 		error = dmu_free_long_range(os,
798 	objset_t *os;
806 	if ((error = dmu_objset_hold(name, FTAG, &os)) != 0) {
811 	if ((error = dmu_object_info(os, ZVOL_OBJ, &doi)) != 0 ||
823 	error = zvol_update_volsize(os, volsize);
837 				(void) zvol_update_volsize(os, old_volsize);
871 	dmu_objset_rele(os, FTAG);
998 	objset_t *os = zv->zv_objset;
1022 		error = dmu_read(os, object, offset, size, buf,
1027 		error = dmu_buf_hold(os, object, offset, zgd, &db);
1213 	objset_t *os;
1241 	os = zv->zv_objset;
1242 	ASSERT(os != NULL);
1278 			error = dmu_read(os, ZVOL_OBJ, off, size, addr,
1281 			dmu_tx_t *tx = dmu_tx_create(os);
1287 				dmu_write(os, ZVOL_OBJ, off, size, addr, tx);
1760 	objset_t *os = zv->zv_objset;
1770 	tx = dmu_tx_create(os);
1786 		error = zap_update(os, ZVOL_ZAP_OBJ,
1806 		error = error ? error : zap_update(os, ZVOL_ZAP_OBJ,
1809 		error = error ? error : zap_update(os, ZVOL_ZAP_OBJ,
1811 		error = error ? error : zap_update(os, ZVOL_ZAP_OBJ,
1814 		error = error ? error : zap_update(os, ZVOL_ZAP_OBJ,
1818 		    os, ZVOL_OBJ, SPA_MAXBLOCKSIZE, 0, tx);
1820 			error = error ? error : zap_update(os, ZVOL_ZAP_OBJ,
1868 	objset_t *os = zv->zv_objset;
1892 	tx = dmu_tx_create(os);
1902 	error = zap_update(os, ZVOL_ZAP_OBJ, ZVOL_DUMPSIZE, 8, 1,
1911 	txg_wait_synced(dmu_objset_pool(os), 0);
1919 	objset_t *os = zv->zv_objset;
1932 	tx = dmu_tx_create(os);
1939 	(void) zap_remove(os, ZVOL_ZAP_OBJ, ZVOL_DUMPSIZE, tx);
1970 	(void) dmu_free_long_range(os, ZVOL_OBJ, 0, DMU_OBJECT_END);
1973 	tx = dmu_tx_create(os);
1980 	if (dmu_object_set_blocksize(os, ZVOL_OBJ, vbs, 0, tx) == 0)