コード例 #1
0
ファイル: zfs_vfsops.c プロジェクト: nwf/zfs
int
zfs_userspace_one(zfs_sb_t *zsb, zfs_userquota_prop_t type,
    const char *domain, uint64_t rid, uint64_t *valp)
{
	char buf[32];
	int err;
	uint64_t obj;

	*valp = 0;

	if (!dmu_objset_userspace_present(zsb->z_os))
		return (SET_ERROR(ENOTSUP));

	obj = zfs_userquota_prop_to_obj(zsb, type);
	if (obj == 0)
		return (0);

	err = id_to_fuidstr(zsb, domain, rid, buf, B_FALSE);
	if (err)
		return (err);

	err = zap_lookup(zsb->z_os, obj, buf, 8, 1, valp);
	if (err == ENOENT)
		err = 0;
	return (err);
}
コード例 #2
0
ファイル: zfs_vfsops.c プロジェクト: GeLiXin/zfs
int
zfs_userspace_many(zfs_sb_t *zsb, zfs_userquota_prop_t type,
    uint64_t *cookiep, void *vbuf, uint64_t *bufsizep)
{
	int error;
	zap_cursor_t zc;
	zap_attribute_t za;
	zfs_useracct_t *buf = vbuf;
	uint64_t obj;
	int offset = 0;

	if (!dmu_objset_userspace_present(zsb->z_os))
		return (SET_ERROR(ENOTSUP));

	if ((type == ZFS_PROP_USEROBJUSED || type == ZFS_PROP_GROUPOBJUSED ||
	    type == ZFS_PROP_USEROBJQUOTA || type == ZFS_PROP_GROUPOBJQUOTA) &&
	    !dmu_objset_userobjspace_present(zsb->z_os))
		return (SET_ERROR(ENOTSUP));

	obj = zfs_userquota_prop_to_obj(zsb, type);
	if (obj == ZFS_NO_OBJECT) {
		*bufsizep = 0;
		return (0);
	}

	if (type == ZFS_PROP_USEROBJUSED || type == ZFS_PROP_GROUPOBJUSED)
		offset = DMU_OBJACCT_PREFIX_LEN;

	for (zap_cursor_init_serialized(&zc, zsb->z_os, obj, *cookiep);
	    (error = zap_cursor_retrieve(&zc, &za)) == 0;
	    zap_cursor_advance(&zc)) {
		if ((uintptr_t)buf - (uintptr_t)vbuf + sizeof (zfs_useracct_t) >
		    *bufsizep)
			break;

		/*
		 * skip object quota (with zap name prefix DMU_OBJACCT_PREFIX)
		 * when dealing with block quota and vice versa.
		 */
		if ((offset > 0) != (strncmp(za.za_name, DMU_OBJACCT_PREFIX,
		    DMU_OBJACCT_PREFIX_LEN) == 0))
			continue;

		fuidstr_to_sid(zsb, za.za_name + offset,
		    buf->zu_domain, sizeof (buf->zu_domain), &buf->zu_rid);

		buf->zu_space = za.za_first_integer;
		buf++;
	}
	if (error == ENOENT)
		error = 0;

	ASSERT3U((uintptr_t)buf - (uintptr_t)vbuf, <=, *bufsizep);
	*bufsizep = (uintptr_t)buf - (uintptr_t)vbuf;
	*cookiep = zap_cursor_serialize(&zc);
	zap_cursor_fini(&zc);
	return (error);
}
コード例 #3
0
ファイル: dmu_objset.c プロジェクト: harshada/zfs
void
dmu_objset_stats(objset_t *os, nvlist_t *nv)
{
	ASSERT(os->os->os_dsl_dataset ||
	    os->os->os_phys->os_type == DMU_OST_META);

	if (os->os->os_dsl_dataset != NULL)
		dsl_dataset_stats(os->os->os_dsl_dataset, nv);

	dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_TYPE,
	    os->os->os_phys->os_type);
	dsl_prop_nvlist_add_uint64(nv, ZFS_PROP_USERACCOUNTING,
	    dmu_objset_userspace_present(os));
}
コード例 #4
0
ファイル: dmu_objset.c プロジェクト: harshada/zfs
int
dmu_objset_userspace_upgrade(objset_t *os)
{
	uint64_t obj;
	int err = 0;

	if (dmu_objset_userspace_present(os))
		return (0);
	if (!dmu_objset_userused_enabled(os->os))
		return (ENOTSUP);
	if (dmu_objset_is_snapshot(os))
		return (EINVAL);

	/*
	 * We simply need to mark every object dirty, so that it will be
	 * synced out and now accounted.  If this is called
	 * concurrently, or if we already did some work before crashing,
	 * that's fine, since we track each object's accounted state
	 * independently.
	 */

	for (obj = 0; err == 0; err = dmu_object_next(os, &obj, FALSE, 0)) {
		dmu_tx_t *tx;
		dmu_buf_t *db;
		int objerr;

		if (issig(JUSTLOOKING) && issig(FORREAL))
			return (EINTR);

		objerr = dmu_bonus_hold(os, obj, FTAG, &db);
		if (objerr)
			continue;
		tx = dmu_tx_create(os);
		dmu_tx_hold_bonus(tx, obj);
		objerr = dmu_tx_assign(tx, TXG_WAIT);
		if (objerr) {
			dmu_tx_abort(tx);
			continue;
		}
		dmu_buf_will_dirty(db, tx);
		dmu_buf_rele(db, FTAG);
		dmu_tx_commit(tx);
	}

	os->os->os_flags |= OBJSET_FLAG_USERACCOUNTING_COMPLETE;
	txg_wait_synced(dmu_objset_pool(os), 0);
	return (0);
}
コード例 #5
0
ファイル: zfs_vfsops.c プロジェクト: nwf/zfs
int
zfs_userspace_many(zfs_sb_t *zsb, zfs_userquota_prop_t type,
    uint64_t *cookiep, void *vbuf, uint64_t *bufsizep)
{
	int error;
	zap_cursor_t zc;
	zap_attribute_t za;
	zfs_useracct_t *buf = vbuf;
	uint64_t obj;

	if (!dmu_objset_userspace_present(zsb->z_os))
		return (SET_ERROR(ENOTSUP));

	obj = zfs_userquota_prop_to_obj(zsb, type);
	if (obj == 0) {
		*bufsizep = 0;
		return (0);
	}

	for (zap_cursor_init_serialized(&zc, zsb->z_os, obj, *cookiep);
	    (error = zap_cursor_retrieve(&zc, &za)) == 0;
	    zap_cursor_advance(&zc)) {
		if ((uintptr_t)buf - (uintptr_t)vbuf + sizeof (zfs_useracct_t) >
		    *bufsizep)
			break;

		fuidstr_to_sid(zsb, za.za_name,
		    buf->zu_domain, sizeof (buf->zu_domain), &buf->zu_rid);

		buf->zu_space = za.za_first_integer;
		buf++;
	}
	if (error == ENOENT)
		error = 0;

	ASSERT3U((uintptr_t)buf - (uintptr_t)vbuf, <=, *bufsizep);
	*bufsizep = (uintptr_t)buf - (uintptr_t)vbuf;
	*cookiep = zap_cursor_serialize(&zc);
	zap_cursor_fini(&zc);
	return (error);
}
コード例 #6
0
ファイル: zfs_vfsops.c プロジェクト: GeLiXin/zfs
int
zfs_userspace_one(zfs_sb_t *zsb, zfs_userquota_prop_t type,
    const char *domain, uint64_t rid, uint64_t *valp)
{
	char buf[20 + DMU_OBJACCT_PREFIX_LEN];
	int offset = 0;
	int err;
	uint64_t obj;

	*valp = 0;

	if (!dmu_objset_userspace_present(zsb->z_os))
		return (SET_ERROR(ENOTSUP));

	if ((type == ZFS_PROP_USEROBJUSED || type == ZFS_PROP_GROUPOBJUSED ||
	    type == ZFS_PROP_USEROBJQUOTA || type == ZFS_PROP_GROUPOBJQUOTA) &&
	    !dmu_objset_userobjspace_present(zsb->z_os))
		return (SET_ERROR(ENOTSUP));

	obj = zfs_userquota_prop_to_obj(zsb, type);
	if (obj == ZFS_NO_OBJECT)
		return (0);

	if (type == ZFS_PROP_USEROBJUSED || type == ZFS_PROP_GROUPOBJUSED) {
		strlcpy(buf, DMU_OBJACCT_PREFIX, DMU_OBJACCT_PREFIX_LEN);
		offset = DMU_OBJACCT_PREFIX_LEN;
	}

	err = id_to_fuidstr(zsb, domain, rid, buf + offset, B_FALSE);
	if (err)
		return (err);

	err = zap_lookup(zsb->z_os, obj, buf, 8, 1, valp);
	if (err == ENOENT)
		err = 0;
	return (err);
}