fs/zfs/zfs_ioctl.c

594 	 * Get the zfsvfs; if there isn't one, then the dataset isn't
1536 			 * objset from the zfsvfs.
1553 zfsvfs_rele(zfsvfs_t *zfsvfs, void *tag)
1555 	rrm_exit(&zfsvfs->z_teardown_lock, tag);
1557 	if (zfsvfs->z_vfs) {
1559 		VFS_RELE(zfsvfs->z_vfs);
1561 		vfs_unbusy(zfsvfs->z_vfs);
1564 		dmu_objset_disown(zfsvfs->z_os, zfsvfs);
1565 		zfsvfs_free(zfsvfs);
2476 	zfsvfs_t *zfsvfs;
2501 	err = zfsvfs_hold(dsname, FTAG, &zfsvfs, B_FALSE);
2503 		err = zfs_set_userquota(zfsvfs, type, domain, rid, quota);
2504 		zfsvfs_rele(zfsvfs, FTAG);
2578 		zfsvfs_t *zfsvfs;
2580 		if ((err = zfsvfs_hold(dsname, FTAG, &zfsvfs, B_TRUE)) != 0)
2583 		err = zfs_set_version(zfsvfs, intval);
2584 		zfsvfs_rele(zfsvfs, FTAG);
3596 	zfsvfs_t *zfsvfs = NULL;
3601 	int err = getzfsvfs(snapname, &zfsvfs);
3603 		ASSERT3P(zfsvfs, ==, NULL);
3606 	vfsp = zfsvfs->z_vfs;
3608 	ASSERT(!dsl_pool_config_held(dmu_objset_pool(zfsvfs->z_os)));
3980 	zfsvfs_t *zfsvfs;
3997 	if (getzfsvfs(fsname, &zfsvfs) == 0) {
4000 		ds = dmu_objset_ds(zfsvfs->z_os);
4001 		error = zfs_suspend_fs(zfsvfs);
4005 			error = dsl_dataset_rollback(fsname, target, zfsvfs,
4007 			resume_err = zfs_resume_fs(zfsvfs, ds);
4011 		VFS_RELE(zfsvfs->z_vfs);
4013 		vfs_unbusy(zfsvfs->z_vfs);
4676 		zfsvfs_t *zfsvfs = NULL;
4678 		if (getzfsvfs(tofs, &zfsvfs) == 0) {
4683 			ds = dmu_objset_ds(zfsvfs->z_os);
4684 			error = zfs_suspend_fs(zfsvfs);
4689 			end_err = dmu_recv_end(&drc, zfsvfs);
4691 				error = zfs_resume_fs(zfsvfs, ds);
4694 			VFS_RELE(zfsvfs->z_vfs);
4696 			vfs_unbusy(zfsvfs->z_vfs);
5200 	zfsvfs_t *zfsvfs;
5206 	error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs, B_FALSE);
5210 	error = zfs_userspace_one(zfsvfs,
5212 	zfsvfs_rele(zfsvfs, FTAG);
5231 	zfsvfs_t *zfsvfs;
5237 	int error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs, B_FALSE);
5243 	error = zfs_userspace_many(zfsvfs, zc->zc_objset_type, &zc->zc_cookie,
5252 	zfsvfs_rele(zfsvfs, FTAG);
5269 	zfsvfs_t *zfsvfs;
5271 	if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) {
5272 		if (!dmu_objset_userused_enabled(zfsvfs->z_os)) {
5280 			ds = dmu_objset_ds(zfsvfs->z_os);
5281 			error = zfs_suspend_fs(zfsvfs);
5284 				    zfsvfs);
5285 				error = zfs_resume_fs(zfsvfs, newds);
5289 			error = dmu_objset_userspace_upgrade(zfsvfs->z_os);
5291 		VFS_RELE(zfsvfs->z_vfs);
5293 		vfs_unbusy(zfsvfs->z_vfs);
5563 	zfsvfs_t *zfsvfs = dzp->z_zfsvfs;
5566 	for (zap_cursor_init(&zc, zfsvfs->z_os, dzp->z_id);
5586 	zfsvfs_t *zfsvfs;
5607 	zfsvfs = dzp->z_zfsvfs;
5608 	ZFS_ENTER(zfsvfs);
5613 	mutex_enter(&zfsvfs->z_lock);
5614 	if (zfsvfs->z_shares_dir == 0) {
5617 		tx = dmu_tx_create(zfsvfs->z_os);
5625 			error = zfs_create_share_dir(zfsvfs, tx);
5629 			mutex_exit(&zfsvfs->z_lock);
5631 			ZFS_EXIT(zfsvfs);
5635 	mutex_exit(&zfsvfs->z_lock);
5637 	ASSERT(zfsvfs->z_shares_dir);
5638 	if ((error = zfs_zget(zfsvfs, zfsvfs->z_shares_dir, &sharedir)) != 0) {
5640 		ZFS_EXIT(zfsvfs);
5673 			ZFS_EXIT(zfsvfs);
5681 			ZFS_EXIT(zfsvfs);
5702 	ZFS_EXIT(zfsvfs);