diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index a3bde91..b311539 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1469,7 +1469,7 @@
 	return 0;
 }
 
-static int gfs2_get_dqblk(struct super_block *sb, int type, qid_t id,
+static int gfs2_get_dqblk(struct super_block *sb, struct kqid qid,
 			  struct fs_disk_quota *fdq)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
@@ -1477,20 +1477,21 @@
 	struct gfs2_quota_data *qd;
 	struct gfs2_holder q_gh;
 	int error;
+	int type;
 
 	memset(fdq, 0, sizeof(struct fs_disk_quota));
 
 	if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
 		return -ESRCH; /* Crazy XFS error code */
 
-	if (type == USRQUOTA)
+	if (qid.type == USRQUOTA)
 		type = QUOTA_USER;
-	else if (type == GRPQUOTA)
+	else if (qid.type == GRPQUOTA)
 		type = QUOTA_GROUP;
 	else
 		return -EINVAL;
 
-	error = qd_get(sdp, type, id, &qd);
+	error = qd_get(sdp, type, from_kqid(&init_user_ns, qid), &qd);
 	if (error)
 		return error;
 	error = do_glock(qd, FORCE, &q_gh);
@@ -1500,7 +1501,7 @@
 	qlvb = (struct gfs2_quota_lvb *)qd->qd_gl->gl_lvb;
 	fdq->d_version = FS_DQUOT_VERSION;
 	fdq->d_flags = (type == QUOTA_USER) ? FS_USER_QUOTA : FS_GROUP_QUOTA;
-	fdq->d_id = id;
+	fdq->d_id = from_kqid(&init_user_ns, qid);
 	fdq->d_blk_hardlimit = be64_to_cpu(qlvb->qb_limit) << sdp->sd_fsb2bb_shift;
 	fdq->d_blk_softlimit = be64_to_cpu(qlvb->qb_warn) << sdp->sd_fsb2bb_shift;
 	fdq->d_bcount = be64_to_cpu(qlvb->qb_value) << sdp->sd_fsb2bb_shift;
@@ -1514,7 +1515,7 @@
 /* GFS2 only supports a subset of the XFS fields */
 #define GFS2_FIELDMASK (FS_DQ_BSOFT|FS_DQ_BHARD|FS_DQ_BCOUNT)
 
-static int gfs2_set_dqblk(struct super_block *sb, int type, qid_t id,
+static int gfs2_set_dqblk(struct super_block *sb, struct kqid qid,
 			  struct fs_disk_quota *fdq)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
@@ -1526,11 +1527,12 @@
 	int alloc_required;
 	loff_t offset;
 	int error;
+	int type;
 
 	if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
 		return -ESRCH; /* Crazy XFS error code */
 
-	switch(type) {
+	switch(qid.type) {
 	case USRQUOTA:
 		type = QUOTA_USER;
 		if (fdq->d_flags != FS_USER_QUOTA)
@@ -1547,10 +1549,10 @@
 
 	if (fdq->d_fieldmask & ~GFS2_FIELDMASK)
 		return -EINVAL;
-	if (fdq->d_id != id)
+	if (fdq->d_id != from_kqid(&init_user_ns, qid))
 		return -EINVAL;
 
-	error = qd_get(sdp, type, id, &qd);
+	error = qd_get(sdp, type, from_kqid(&init_user_ns, qid), &qd);
 	if (error)
 		return error;
 
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 36a29b7..7714b16 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2376,12 +2376,12 @@
 	spin_unlock(&dq_data_lock);
 }
 
-int dquot_get_dqblk(struct super_block *sb, int type, qid_t id,
+int dquot_get_dqblk(struct super_block *sb, struct kqid qid,
 		    struct fs_disk_quota *di)
 {
 	struct dquot *dquot;
 
-	dquot = dqget(sb, id, type);
+	dquot = dqget(sb, qid.type, from_kqid(&init_user_ns, qid));
 	if (!dquot)
 		return -ESRCH;
 	do_get_dqblk(dquot, di);
@@ -2488,13 +2488,13 @@
 	return 0;
 }
 
-int dquot_set_dqblk(struct super_block *sb, int type, qid_t id,
+int dquot_set_dqblk(struct super_block *sb, struct kqid qid,
 		  struct fs_disk_quota *di)
 {
 	struct dquot *dquot;
 	int rc;
 
-	dquot = dqget(sb, id, type);
+	dquot = dqget(sb, qid.type, from_kqid(&init_user_ns, qid));
 	if (!dquot) {
 		rc = -ESRCH;
 		goto out;
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 6f15578..ff0135d 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -32,8 +32,8 @@
 	/* allow to query information for dquots we "own" */
 	case Q_GETQUOTA:
 	case Q_XGETQUOTA:
-		if ((type == USRQUOTA && current_euid() == id) ||
-		    (type == GRPQUOTA && in_egroup_p(id)))
+		if ((type == USRQUOTA && uid_eq(current_euid(), make_kuid(current_user_ns(), id))) ||
+		    (type == GRPQUOTA && in_egroup_p(make_kgid(current_user_ns(), id))))
 			break;
 		/*FALLTHROUGH*/
 	default:
@@ -130,13 +130,17 @@
 static int quota_getquota(struct super_block *sb, int type, qid_t id,
 			  void __user *addr)
 {
+	struct kqid qid;
 	struct fs_disk_quota fdq;
 	struct if_dqblk idq;
 	int ret;
 
 	if (!sb->s_qcop->get_dqblk)
 		return -ENOSYS;
-	ret = sb->s_qcop->get_dqblk(sb, type, id, &fdq);
+	qid = make_kqid(current_user_ns(), type, id);
+	if (!qid_valid(qid))
+		return -EINVAL;
+	ret = sb->s_qcop->get_dqblk(sb, qid, &fdq);
 	if (ret)
 		return ret;
 	copy_to_if_dqblk(&idq, &fdq);
@@ -176,13 +180,17 @@
 {
 	struct fs_disk_quota fdq;
 	struct if_dqblk idq;
+	struct kqid qid;
 
 	if (copy_from_user(&idq, addr, sizeof(idq)))
 		return -EFAULT;
 	if (!sb->s_qcop->set_dqblk)
 		return -ENOSYS;
+	qid = make_kqid(current_user_ns(), type, id);
+	if (!qid_valid(qid))
+		return -EINVAL;
 	copy_from_if_dqblk(&fdq, &idq);
-	return sb->s_qcop->set_dqblk(sb, type, id, &fdq);
+	return sb->s_qcop->set_dqblk(sb, qid, &fdq);
 }
 
 static int quota_setxstate(struct super_block *sb, int cmd, void __user *addr)
@@ -213,23 +221,31 @@
 			   void __user *addr)
 {
 	struct fs_disk_quota fdq;
+	struct kqid qid;
 
 	if (copy_from_user(&fdq, addr, sizeof(fdq)))
 		return -EFAULT;
 	if (!sb->s_qcop->set_dqblk)
 		return -ENOSYS;
-	return sb->s_qcop->set_dqblk(sb, type, id, &fdq);
+	qid = make_kqid(current_user_ns(), type, id);
+	if (!qid_valid(qid))
+		return -EINVAL;
+	return sb->s_qcop->set_dqblk(sb, qid, &fdq);
 }
 
 static int quota_getxquota(struct super_block *sb, int type, qid_t id,
 			   void __user *addr)
 {
 	struct fs_disk_quota fdq;
+	struct kqid qid;
 	int ret;
 
 	if (!sb->s_qcop->get_dqblk)
 		return -ENOSYS;
-	ret = sb->s_qcop->get_dqblk(sb, type, id, &fdq);
+	qid = make_kqid(current_user_ns(), type, id);
+	if (!qid_valid(qid))
+		return -EINVAL;
+	ret = sb->s_qcop->get_dqblk(sb, qid, &fdq);
 	if (!ret && copy_to_user(addr, &fdq, sizeof(fdq)))
 		return -EFAULT;
 	return ret;
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index fed504f..71926d6 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -97,8 +97,7 @@
 STATIC int
 xfs_fs_get_dqblk(
 	struct super_block	*sb,
-	int			type,
-	qid_t			id,
+	struct kqid		qid,
 	struct fs_disk_quota	*fdq)
 {
 	struct xfs_mount	*mp = XFS_M(sb);
@@ -108,14 +107,14 @@
 	if (!XFS_IS_QUOTA_ON(mp))
 		return -ESRCH;
 
-	return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq);
+	return -xfs_qm_scall_getquota(mp, from_kqid(&init_user_ns, qid),
+				      xfs_quota_type(qid.type), fdq);
 }
 
 STATIC int
 xfs_fs_set_dqblk(
 	struct super_block	*sb,
-	int			type,
-	qid_t			id,
+	struct kqid		qid,
 	struct fs_disk_quota	*fdq)
 {
 	struct xfs_mount	*mp = XFS_M(sb);
@@ -127,7 +126,8 @@
 	if (!XFS_IS_QUOTA_ON(mp))
 		return -ESRCH;
 
-	return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
+	return -xfs_qm_scall_setqlim(mp, from_kqid(&init_user_ns, qid),
+				     xfs_quota_type(qid.type), fdq);
 }
 
 const struct quotactl_ops xfs_quotactl_operations = {
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 00ac8d8..f96427a 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -461,8 +461,8 @@
 	int (*quota_sync)(struct super_block *, int);
 	int (*get_info)(struct super_block *, int, struct if_dqinfo *);
 	int (*set_info)(struct super_block *, int, struct if_dqinfo *);
-	int (*get_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
-	int (*set_dqblk)(struct super_block *, int, qid_t, struct fs_disk_quota *);
+	int (*get_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
+	int (*set_dqblk)(struct super_block *, struct kqid, struct fs_disk_quota *);
 	int (*get_xstate)(struct super_block *, struct fs_quota_stat *);
 	int (*set_xstate)(struct super_block *, unsigned int, int);
 };
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index ec6b65f..bd3730d 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -87,9 +87,9 @@
 int dquot_quota_sync(struct super_block *sb, int type);
 int dquot_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int dquot_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
-int dquot_get_dqblk(struct super_block *sb, int type, qid_t id,
+int dquot_get_dqblk(struct super_block *sb, struct kqid id,
 		struct fs_disk_quota *di);
-int dquot_set_dqblk(struct super_block *sb, int type, qid_t id,
+int dquot_set_dqblk(struct super_block *sb, struct kqid id,
 		struct fs_disk_quota *di);
 
 int __dquot_transfer(struct inode *inode, struct dquot **transfer_to);
diff --git a/init/Kconfig b/init/Kconfig
index 33d231c..15bb1dc 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -928,7 +928,7 @@
 	depends on IMA = n
 	depends on EVM = n
 	depends on QUOTA = n
-	depends on QUOTACTL = n
+	depends on QUOTA_NETLINK_INTERFACE = n
 
 	# Networking
 	depends on NET_9P = n