Whamcloud - gitweb
LU-7991 quota: project quota against ZFS backend
[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_quota.c
index 82ea9fe..2ff5770 100644 (file)
@@ -21,7 +21,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2015, Intel Corporation.
  * Use is subject to license terms.
  *
  * Author: Johann Lombardi <johann@whamcloud.com>
 static inline int fid2type(const struct lu_fid *fid)
 {
        LASSERT(fid_is_acct(fid));
-       if (fid_oid(fid) == ACCT_GROUP_OID)
+       switch (fid_oid(fid)) {
+       case ACCT_USER_OID:
+               return USRQUOTA;
+       case ACCT_GROUP_OID:
                return GRPQUOTA;
-       return USRQUOTA;
-}
+       case ACCT_PROJECT_OID:
+               return PRJQUOTA;
+       }
 
-static inline int obj2type(struct dt_object *obj)
-{
-       return fid2type(lu_object_fid(&obj->do_lu));
+       LASSERTF(0, "invalid fid for quota type: %u", fid_oid(fid));
+       return USRQUOTA;
 }
 
 /**
@@ -65,10 +68,6 @@ int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
                        const struct lu_fid *fid, struct osd_inode_id *id)
 {
        struct super_block *sb = osd_sb(osd);
-        unsigned long qf_inums[2] = {
-               le32_to_cpu(LDISKFS_SB(sb)->s_es->s_usr_quota_inum),
-               le32_to_cpu(LDISKFS_SB(sb)->s_es->s_grp_quota_inum)
-       };
 
        ENTRY;
        LASSERT(fid_is_acct(fid));
@@ -78,7 +77,26 @@ int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
                RETURN(-ENOENT);
 
        id->oii_gen = OSD_OII_NOGEN;
-       id->oii_ino = qf_inums[fid2type(fid)];
+       switch (fid2type(fid)) {
+       case USRQUOTA:
+               id->oii_ino =
+                       le32_to_cpu(LDISKFS_SB(sb)->s_es->s_usr_quota_inum);
+               break;
+       case GRPQUOTA:
+               id->oii_ino =
+                       le32_to_cpu(LDISKFS_SB(sb)->s_es->s_grp_quota_inum);
+               break;
+       case PRJQUOTA:
+ #ifdef HAVE_PROJECT_QUOTA
+               if (LDISKFS_HAS_RO_COMPAT_FEATURE(sb,
+                                       LDISKFS_FEATURE_RO_COMPAT_PROJECT))
+                       id->oii_ino =
+                               le32_to_cpu(LDISKFS_SB(sb)->s_es->s_prj_quota_inum);
+               else
+ #endif
+                       RETURN(-ENOENT);
+               break;
+       }
        if (!ldiskfs_valid_inum(sb, id->oii_ino))
                RETURN(-ENOENT);
        RETURN(0);
@@ -90,9 +108,8 @@ int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
  * \param env   - is the environment passed by the caller
  * \param dtobj - is the accounting object
  * \param dtrec - is the record to fill with space usage information
- * \param dtkey - is the id the of the user or group for which we would
+ * \param dtkey - is the id of the user or group for which we would
  *                like to access disk usage.
- * \param capa - is the capability, not used.
  *
  * \retval +ve - success : exact match
  * \retval -ve - failure
@@ -100,11 +117,12 @@ int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
 static int osd_acct_index_lookup(const struct lu_env *env,
                                 struct dt_object *dtobj,
                                 struct dt_rec *dtrec,
-                                const struct dt_key *dtkey,
-                                struct lustre_capa *capa)
+                                const struct dt_key *dtkey)
 {
        struct osd_thread_info  *info = osd_oti_get(env);
-#ifdef HAVE_DQUOT_FS_DISK_QUOTA
+#if defined(HAVE_DQUOT_QC_DQBLK)
+       struct qc_dqblk         *dqblk = &info->oti_qdq;
+#elif defined(HAVE_DQUOT_FS_DISK_QUOTA)
        struct fs_disk_quota    *dqblk = &info->oti_fdq;
 #else
        struct if_dqblk         *dqblk = &info->oti_dqblk;
@@ -114,21 +132,26 @@ static int osd_acct_index_lookup(const struct lu_env *env,
        __u64                    id = *((__u64 *)dtkey);
        int                      rc;
 #ifdef HAVE_DQUOT_KQID
-       struct kqid             qid;
+       struct kqid              qid;
 #endif
+       int type;
 
        ENTRY;
 
-       memset((void *)dqblk, 0, sizeof(struct obd_dqblk));
+       type = fid2type(lu_object_fid(&dtobj->do_lu));
+       memset(dqblk, 0, sizeof(*dqblk));
 #ifdef HAVE_DQUOT_KQID
-       qid = make_kqid(&init_user_ns, obj2type(dtobj), id);
+       qid = make_kqid(&init_user_ns, type, id);
        rc = sb->s_qcop->get_dqblk(sb, qid, dqblk);
 #else
-       rc = sb->s_qcop->get_dqblk(sb, obj2type(dtobj), (qid_t) id, dqblk);
+       rc = sb->s_qcop->get_dqblk(sb, type, (qid_t) id, dqblk);
 #endif
        if (rc)
                RETURN(rc);
-#ifdef HAVE_DQUOT_FS_DISK_QUOTA
+#if defined(HAVE_DQUOT_QC_DQBLK)
+       rec->bspace = dqblk->d_space;
+       rec->ispace = dqblk->d_ino_count;
+#elif defined(HAVE_DQUOT_FS_DISK_QUOTA)
        rec->bspace = dqblk->d_bcount;
        rec->ispace = dqblk->d_icount;
 #else
@@ -148,13 +171,11 @@ static int osd_acct_index_lookup(const struct lu_env *env,
  *
  * \param  dt    - osd index object
  * \param  attr  - not used
- * \param  capa  - BYPASS_CAPA
  */
 static struct dt_it *osd_it_acct_init(const struct lu_env *env,
                                      struct dt_object *dt,
-                                     __u32 attr, struct lustre_capa *capa)
+                                     __u32 attr)
 {
-       struct osd_thread_info  *info = osd_oti_get(env);
        struct osd_it_quota     *it;
        struct lu_object        *lo = &dt->do_lu;
        struct osd_object       *obj = osd_dt_obj(dt);
@@ -163,19 +184,10 @@ static struct dt_it *osd_it_acct_init(const struct lu_env *env,
 
        LASSERT(lu_object_exists(lo));
 
-       if (info == NULL)
+       OBD_ALLOC_PTR(it);
+       if (it == NULL)
                RETURN(ERR_PTR(-ENOMEM));
 
-       if (info->oti_it_inline) {
-               OBD_ALLOC_PTR(it);
-               if (it == NULL)
-                       RETURN(ERR_PTR(-ENOMEM));
-       } else {
-               it = &info->oti_it_quota;
-               info->oti_it_inline = 1;
-       }
-
-       memset(it, 0, sizeof(*it));
        lu_object_get(lo);
        it->oiq_obj = obj;
        INIT_LIST_HEAD(&it->oiq_list);
@@ -196,22 +208,18 @@ static struct dt_it *osd_it_acct_init(const struct lu_env *env,
  */
 static void osd_it_acct_fini(const struct lu_env *env, struct dt_it *di)
 {
-       struct osd_thread_info *info = osd_oti_get(env);
        struct osd_it_quota *it = (struct osd_it_quota *)di;
        struct osd_quota_leaf *leaf, *tmp;
        ENTRY;
 
-       lu_object_put(env, &it->oiq_obj->oo_dt.do_lu);
+       osd_object_put(env, it->oiq_obj);
 
        list_for_each_entry_safe(leaf, tmp, &it->oiq_list, oql_link) {
                list_del_init(&leaf->oql_link);
                OBD_FREE_PTR(leaf);
        }
 
-       if (it != &info->oti_it_quota)
-               OBD_FREE_PTR(it);
-       else
-               info->oti_it_inline = 0;
+       OBD_FREE_PTR(it);
 
        EXIT;
 }
@@ -233,12 +241,13 @@ static int osd_it_acct_get(const struct lu_env *env, struct dt_it *di,
        struct osd_it_quota     *it = (struct osd_it_quota *)di;
        const struct lu_fid     *fid =
                                lu_object_fid(&it->oiq_obj->oo_dt.do_lu);
-       int                      type = fid2type(fid);
+       int                      type;
        qid_t                    dqid = *(qid_t *)key;
        loff_t                   offset;
        int                      rc;
 
        ENTRY;
+       type = fid2type(fid);
 
        offset = find_tree_dqentry(env, it->oiq_obj, type, dqid,
                                   LUSTRE_DQTREEOFF, 0, it);
@@ -297,12 +306,14 @@ static int osd_it_acct_next(const struct lu_env *env, struct dt_it *di)
        struct osd_it_quota     *it = (struct osd_it_quota *)di;
        const struct lu_fid     *fid =
                                lu_object_fid(&it->oiq_obj->oo_dt.do_lu);
-       int                      type = fid2type(fid);
+       int                      type;
        int                      depth, rc;
        uint                     index;
 
        ENTRY;
 
+       type = fid2type(fid);
+
        /* Let's first check if there are any remaining valid entry in the
         * current leaf block. Start with the next entry after the current one.
         */
@@ -394,8 +405,7 @@ static int osd_it_acct_rec(const struct lu_env *env,
 
        ENTRY;
 
-       rc = osd_acct_index_lookup(env, &it->oiq_obj->oo_dt, dtrec, key,
-                                  BYPASS_CAPA);
+       rc = osd_acct_index_lookup(env, &it->oiq_obj->oo_dt, dtrec, key);
        RETURN(rc > 0 ? 0 : rc);
 }
 
@@ -496,12 +506,7 @@ void osd_quota_unpack(struct osd_object *obj, const struct dt_rec *rec)
 
 static inline int osd_qid_type(struct osd_thandle *oh, int i)
 {
-       return (oh->ot_id_type & (1 << i)) ? GRPQUOTA : USRQUOTA;
-}
-
-static inline void osd_qid_set_type(struct osd_thandle *oh, int i, int type)
-{
-       oh->ot_id_type |= ((type == GRPQUOTA) ? (1 << i) : 0);
+       return oh->ot_id_types[i];
 }
 
 /**
@@ -523,9 +528,8 @@ int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
                    struct lquota_id_info *qi, struct osd_object *obj,
                    bool enforce, int *flags)
 {
-       struct osd_thread_info  *info = osd_oti_get(env);
-       struct osd_device       *dev = info->oti_dev;
-       struct qsd_instance     *qsd = dev->od_quota_slave;
+       struct osd_device       *dev;
+       struct qsd_instance     *qsd;
        struct inode            *inode = NULL;
        int                      i, rc = 0, crd;
        bool                     found = false;
@@ -535,9 +539,14 @@ int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
        LASSERTF(oh->ot_id_cnt <= OSD_MAX_UGID_CNT, "count=%d\n",
                 oh->ot_id_cnt);
 
+       dev = osd_dt_dev(oh->ot_super.th_dev);
+       LASSERT(dev != NULL);
+
+       qsd = dev->od_quota_slave;
+
        for (i = 0; i < oh->ot_id_cnt; i++) {
                if (oh->ot_id_array[i] == qi->lqi_id.qid_uid &&
-                   osd_qid_type(oh, i) == qi->lqi_type) {
+                   oh->ot_id_types[i] == qi->lqi_type) {
                        found = true;
                        break;
                }
@@ -565,7 +574,11 @@ int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
                        /* reserve credits for adding ID entry to the quota
                         * file if the i_dquot isn't initialized yet. */
                        else if (inode == NULL ||
+#ifdef HAVE_EXT4_INFO_DQUOT
+                                LDISKFS_I(inode)->i_dquot[qi->lqi_type] == NULL)
+#else
                                 inode->i_dquot[qi->lqi_type] == NULL)
+#endif
                                crd = LDISKFS_QUOTA_INIT_BLOCKS(osd_sb(dev));
                        else
                                crd = 1;
@@ -574,7 +587,7 @@ int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
                osd_trans_declare_op(env, oh, OSD_OT_QUOTA, crd);
 
                oh->ot_id_array[i] = qi->lqi_id.qid_uid;
-               osd_qid_set_type(oh, i, qi->lqi_type);
+               oh->ot_id_types[i] = qi->lqi_type;
                oh->ot_id_cnt++;
        }
 
@@ -597,30 +610,30 @@ int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
  * \param  space  - how many blocks/inodes will be consumed/released
  * \param  oh     - osd transaction handle
  * \param  obj    - osd object, could be NULL when it's under create
- * \param  is_blk - block quota or inode quota?
  * \param  flags  - if the operation is write, return no user quota, no
  *                  group quota, or sync commit flags to the caller
- * \param force   - set to 1 when changes are performed by root user and thus
- *                  can't failed with EDQUOT
+ * \param osd_qid_flags - indicate this is a inode/block accounting
+ *                     and whether changes are performed by root user
  *
  * \retval 0      - success
  * \retval -ve    - failure
  */
 int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
-                         long long space, struct osd_thandle *oh,
-                         struct osd_object *obj, bool is_blk, int *flags,
-                         bool force)
+                         __u32 projid, long long space, struct osd_thandle *oh,
+                         struct osd_object *obj, int *flags,
+                         enum osd_qid_declare_flags osd_qid_declare_flags)
 {
        struct osd_thread_info  *info = osd_oti_get(env);
        struct lquota_id_info   *qi = &info->oti_qi;
-       int                      rcu, rcg; /* user & group rc */
+       int rcu, rcg, rcp = 0; /* user & group & project rc */
+       bool force = !!(osd_qid_declare_flags & OSD_QID_FORCE);
        ENTRY;
 
        /* let's start with user quota */
        qi->lqi_id.qid_uid = uid;
        qi->lqi_type       = USRQUOTA;
        qi->lqi_space      = space;
-       qi->lqi_is_blk     = is_blk;
+       qi->lqi_is_blk     = !!(osd_qid_declare_flags & OSD_QID_BLK);
        rcu = osd_declare_qid(env, oh, qi, obj, true, flags);
 
        if (force && (rcu == -EDQUOT || rcu == -EINPROGRESS))
@@ -643,516 +656,19 @@ int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
                /* as before, ignore EDQUOT & EINPROGRESS for root */
                rcg = 0;
 
-       RETURN(rcu ? rcu : rcg);
-}
-
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0)
-/* Following code is used to migrate old admin quota files (in Linux quota
- * file v2 format) into the new quota global indexes (in IAM format). */
-
-/* copied from osd_it_acct_get(), only changed the 'type' to -1 */
-static int osd_it_admin_get(const struct lu_env *env, struct dt_it *di,
-                           const struct dt_key *key)
-{
-       struct osd_it_quota     *it = (struct osd_it_quota *)di;
-       int                      type = -1;
-       qid_t                    dqid = *(qid_t *)key;
-       loff_t                   offset;
-       int                      rc;
-       ENTRY;
-
-       offset = find_tree_dqentry(env, it->oiq_obj, type, dqid,
-                                  LUSTRE_DQTREEOFF, 0, it);
-       if (offset > 0) { /* Found */
-               RETURN(+1);
-       } else if (offset < 0) { /* Error */
-               QUOTA_IT_READ_ERROR(it, (int)offset);
-               RETURN((int)offset);
-       }
-
-       /* The @key is not found, move to the first valid entry */
-       rc = walk_tree_dqentry(env, it->oiq_obj, type, it->oiq_blk[0], 0,
-                              0, it);
-       if (rc > 0)
-               /* no valid entry found */
-               rc = -ENOENT;
-       RETURN(rc);
-}
-
-static int osd_it_admin_load(const struct lu_env *env,
-                            const struct dt_it *di, __u64 hash)
-{
-       int rc;
-       ENTRY;
-
-       rc = osd_it_admin_get(env, (struct dt_it *)di,
-                             (const struct dt_key *)&hash);
-       RETURN(rc);
-}
-
-static int osd_it_admin_rec(const struct lu_env *env,
-                           const struct dt_it *di,
-                           struct dt_rec *dtrec, __u32 attr)
-{
-       struct osd_it_quota     *it = (struct osd_it_quota *)di;
-       struct lu_buf            buf;
-       loff_t                   pos;
-       int                      rc;
-       struct lustre_disk_dqblk_v2 *dqblk =
-               (struct lustre_disk_dqblk_v2 *)dtrec;
-       ENTRY;
-
-       buf.lb_buf = dqblk;
-       buf.lb_len = sizeof(*dqblk);
-
-       pos = it->oiq_offset;
-       rc = dt_record_read(env, &it->oiq_obj->oo_dt, &buf, &pos);
-       RETURN(rc);
-}
-
-/* copied from osd_it_acct_next(), only changed the 'type' to -1 */
-static int osd_it_admin_next(const struct lu_env *env, struct dt_it *di)
-{
-       struct osd_it_quota     *it = (struct osd_it_quota *)di;
-       int                      type = -1;
-       int                      depth, rc;
-       uint                     index;
-       ENTRY;
-
-       /* Let's first check if there are any remaining valid entry in the
-        * current leaf block. Start with the next entry after the current one.
-        */
-       depth = LUSTRE_DQTREEDEPTH;
-       index = it->oiq_index[depth];
-       if (++index < LUSTRE_DQSTRINBLK) {
-               /* Search for the next valid entry from current index */
-               rc = walk_block_dqentry(env, it->oiq_obj, type,
-                                       it->oiq_blk[depth], index, it);
-               if (rc < 0) {
-                       QUOTA_IT_READ_ERROR(it, rc);
-                       RETURN(rc);
-               } else if (rc == 0) {
-                       /* Found on entry, @it is already updated to the
-                        * new position in walk_block_dqentry(). */
-                       RETURN(0);
-               } else {
-                       rc = osd_it_add_processed(it, depth);
-                       if (rc)
-                               RETURN(rc);
-               }
-       } else {
-               rc = osd_it_add_processed(it, depth);
-               if (rc)
-                       RETURN(rc);
-       }
-       rc = 1;
-
-       /* We have consumed all the entries of the current leaf block, move on
-        * to the next one. */
-       depth--;
-
-       /* We keep searching as long as walk_tree_dqentry() returns +1
-        * (= no valid entry found). */
-       for (; depth >= 0 && rc > 0; depth--) {
-               index = it->oiq_index[depth];
-               if (++index > 0xff)
-                       continue;
-               rc = walk_tree_dqentry(env, it->oiq_obj, type,
-                                      it->oiq_blk[depth], depth, index, it);
-       }
-
-       if (rc < 0)
-               QUOTA_IT_READ_ERROR(it, rc);
-       RETURN(rc);
-}
-
-static const struct dt_index_operations osd_admin_index_ops = {
-       .dio_lookup     = osd_acct_index_lookup,
-       .dio_it         = {
-               .init     = osd_it_acct_init,
-               .fini     = osd_it_acct_fini,
-               .get      = osd_it_admin_get,
-               .put      = osd_it_acct_put,
-               .next     = osd_it_admin_next,
-               .key      = osd_it_acct_key,
-               .key_size = osd_it_acct_key_size,
-               .rec      = osd_it_admin_rec,
-               .store    = osd_it_acct_store,
-               .load     = osd_it_admin_load
-       }
-};
-
-static int convert_quota_file(const struct lu_env *env,
-                             struct dt_object *old, struct dt_object *new,
-                             bool isblk)
-{
-       const struct dt_it_ops  *iops = &old->do_index_ops->dio_it;
-       struct osd_object       *obj;
-       struct lu_buf            buf;
-       struct dt_it            *it;
-       struct dt_key           *key;
-       __u32                    grace;
-       struct lquota_glb_rec   *glb_rec = NULL;
-       loff_t                   pos;
-       int                      rc;
-       struct lustre_disk_dqblk_v2     *dqblk = NULL;
-       struct lustre_disk_dqinfo       *dqinfo = NULL;
-       ENTRY;
-
-       obj = osd_dt_obj(old);
-       LASSERT(obj->oo_inode);
-
-       if (i_size_read(obj->oo_inode) == 0)
-               RETURN(0);
-
-       /* allocate buffers */
-       OBD_ALLOC_PTR(dqinfo);
-       if (dqinfo == NULL)
-               RETURN(-ENOMEM);
-
-       OBD_ALLOC_PTR(glb_rec);
-       if (glb_rec == NULL)
-               GOTO(out, rc = -ENOMEM);
-
-       OBD_ALLOC_PTR(dqblk);
-       if (dqblk == NULL)
-               GOTO(out, rc = -ENOMEM);
-
-       /* convert the old igrace/bgrace */
-       buf.lb_buf = dqinfo;
-       buf.lb_len = sizeof(*dqinfo);
-       pos = LUSTRE_DQINFOOFF;
-
-       rc = dt_record_read(env, old, &buf, &pos);
-       if (rc)
-               GOTO(out, rc);
-
-       /* keep it in little endian */
-       grace = isblk ? dqinfo->dqi_bgrace : dqinfo->dqi_igrace;
-       if (grace != 0) {
-               glb_rec->qbr_time = grace;
-               rc = lquota_disk_write_glb(env, new, 0, glb_rec);
-               if (rc)
-                       GOTO(out, rc);
-               glb_rec->qbr_time = 0;
-       }
-
-       /* iterate the old admin file, insert each record into the
-        * new index file. */
-       it = iops->init(env, old, 0, BYPASS_CAPA);
-       if (IS_ERR(it))
-               GOTO(out, rc = PTR_ERR(it));
-
-       rc = iops->load(env, it, 0);
-       if (rc == -ENOENT)
-               GOTO(out_it, rc = 0);
-       else if (rc < 0)
-               GOTO(out_it, rc);
-
-       do {
-               key = iops->key(env, it);
-               if (IS_ERR(key))
-                       GOTO(out_it, rc = PTR_ERR(key));
-
-               /* skip the root user/group */
-               if (*((__u64 *)key) == 0)
-                       goto next;
-
-               rc = iops->rec(env, it, (struct dt_rec *)dqblk, 0);
-               if (rc)
-                       GOTO(out_it, rc);
-
-               /* keep the value in little endian */
-               glb_rec->qbr_hardlimit = isblk ? dqblk->dqb_bhardlimit :
-                                                dqblk->dqb_ihardlimit;
-               glb_rec->qbr_softlimit = isblk ? dqblk->dqb_bsoftlimit :
-                                                dqblk->dqb_isoftlimit;
-
-               rc = lquota_disk_write_glb(env, new, *((__u64 *)key), glb_rec);
-               if (rc)
-                       GOTO(out_it, rc);
-next:
-               rc = iops->next(env, it);
-       } while (rc == 0);
-
-       /* reach the end */
-       if (rc > 0)
-               rc = 0;
-
-out_it:
-       iops->put(env, it);
-       iops->fini(env, it);
-out:
-       if (dqblk != NULL)
-               OBD_FREE_PTR(dqblk);
-       if (glb_rec != NULL)
-               OBD_FREE_PTR(glb_rec);
-       if (dqinfo != NULL)
-               OBD_FREE_PTR(dqinfo);
-       return rc;
-}
-
-/* Nobdy else can access the global index now, it's safe to truncate and
- * reinitialize it */
-static int truncate_quota_index(const struct lu_env *env, struct dt_object *dt,
-                               const struct dt_index_features *feat)
-{
-       struct osd_device       *osd = osd_obj2dev(osd_dt_obj(dt));
-       struct thandle          *th;
-       struct lu_attr          *attr;
-       struct osd_thandle      *oth;
-       struct inode            *inode;
-       int                      rc;
-       struct iam_container    *bag = &(osd_dt_obj(dt))->oo_dir->od_container;
-       struct lu_buf           *lb = &osd_oti_get(env)->oti_buf;
-       ENTRY;
-
-       LASSERT(bag->ic_root_bh != NULL);
-       iam_container_fini(bag);
-
-       LASSERT(fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB);
-
-       OBD_ALLOC_PTR(attr);
-       if (attr == NULL)
-               RETURN(-ENOMEM);
-
-       attr->la_size = 0;
-       attr->la_valid = LA_SIZE;
-
-       th = dt_trans_create(env, &osd->od_dt_dev);
-       if (IS_ERR(th)) {
-               OBD_FREE_PTR(attr);
-               RETURN(PTR_ERR(th));
-       }
-
-       rc = dt_declare_punch(env, dt, 0, OBD_OBJECT_EOF, th);
-       if (rc)
-               GOTO(out, rc);
-
-       rc = dt_declare_attr_set(env, dt, attr, th);
-       if (rc)
-               GOTO(out, rc);
-
-       inode = osd_dt_obj(dt)->oo_inode;
-       LASSERT(inode);
-
-       /* iam_lfix_create() writes two blocks at the beginning */
-       lb->lb_len = osd_sb(osd)->s_blocksize * 2;
-       rc = dt_declare_record_write(env, dt, lb, 0, th);
-       if (rc)
-               GOTO(out, rc);
-
-       rc = dt_trans_start_local(env, &osd->od_dt_dev, th);
-       if (rc)
-               GOTO(out, rc);
-
-       dt_write_lock(env, dt, 0);
-       rc = dt_punch(env, dt, 0, OBD_OBJECT_EOF, th, BYPASS_CAPA);
-       if (rc)
-               GOTO(out_lock, rc);
-
-       rc = dt_attr_set(env, dt, attr, th, BYPASS_CAPA);
-       if (rc)
-               GOTO(out_lock, rc);
-
-       oth = container_of(th, struct osd_thandle, ot_super);
-
-       if (feat->dif_flags & DT_IND_VARKEY)
-               rc = iam_lvar_create(osd_dt_obj(dt)->oo_inode,
-                                    feat->dif_keysize_max,
-                                    feat->dif_ptrsize,
-                                    feat->dif_recsize_max, oth->ot_handle);
-       else
-               rc = iam_lfix_create(osd_dt_obj(dt)->oo_inode,
-                                    feat->dif_keysize_max,
-                                    feat->dif_ptrsize,
-                                    feat->dif_recsize_max, oth->ot_handle);
-out_lock:
-       dt_write_unlock(env, dt);
-out:
-       dt_trans_stop(env, &osd->od_dt_dev, th);
-       OBD_FREE_PTR(attr);
-
-       if (rc == 0) {
-               rc  = iam_container_setup(bag);
-               if (rc != 0)
-                       iam_container_fini(bag);
-       }
-       RETURN(rc);
-}
-
-static int set_quota_index_version(const struct lu_env *env,
-                                  struct dt_object *dt,
-                                  dt_obj_version_t version)
-{
-       struct osd_device       *osd = osd_obj2dev(osd_dt_obj(dt));
-       struct thandle          *th;
-       int                      rc;
-       ENTRY;
-
-       th = dt_trans_create(env, &osd->od_dt_dev);
-       if (IS_ERR(th))
-               RETURN(PTR_ERR(th));
-
-       rc = dt_declare_version_set(env, dt, th);
-       if (rc)
-               GOTO(out, rc);
-
-       rc = dt_trans_start_local(env, &osd->od_dt_dev, th);
-       if (rc)
-               GOTO(out, rc);
-
-       th->th_sync = 1;
-       dt_version_set(env, dt, version, th);
-out:
-       dt_trans_stop(env, &osd->od_dt_dev, th);
-       RETURN(rc);
-}
-
-int osd_quota_migration(const struct lu_env *env, struct dt_object *dt,
-                       const struct dt_index_features *feat)
-{
-       struct osd_thread_info  *oti = osd_oti_get(env);
-       struct osd_device       *osd = osd_obj2dev(osd_dt_obj(dt));
-       struct dt_object        *root, *parent = NULL, *admin = NULL;
-       dt_obj_version_t         version;
-       char                    *fname;
-       bool                     isblk = false, converted = false;
-       int                      rc;
-       ENTRY;
-
-       /* not newly created global index */
-       version = dt_version_get(env, dt);
-       if (version != 0)
-               RETURN(0);
+#ifdef HAVE_PROJECT_QUOTA
+       if (rcg && (rcg != -EDQUOT || flags == NULL))
+               RETURN(rcg);
 
-       /* locate root */
-       rc = dt_root_get(env, &osd->od_dt_dev, &oti->oti_fid);
-       if (rc) {
-               CERROR("%s: Can't get root FID, rc:%d\n", osd->od_svname, rc);
-               RETURN(rc);
-       }
-
-       root = dt_locate(env, &osd->od_dt_dev, &oti->oti_fid);
-       if (IS_ERR(root)) {
-               CERROR("%s: Failed to locate root "DFID", rc:%ld\n",
-                      osd->od_svname, PFID(&oti->oti_fid), PTR_ERR(root));
-               RETURN(PTR_ERR(root));
-       }
+       /* and now project quota */
+       qi->lqi_id.qid_projid = projid;
+       qi->lqi_type = PRJQUOTA;
+       rcp = osd_declare_qid(env, oh, qi, obj, true, flags);
 
-       /* locate /OBJECTS */
-       rc = dt_lookup_dir(env, root, OBJECTS, &oti->oti_fid);
-       if (rc == -ENOENT) {
-               GOTO(out, rc = 0);
-       } else if (rc) {
-               CERROR("%s: Failed to lookup %s, rc:%d\n",
-                      osd->od_svname, OBJECTS, rc);
-               GOTO(out, rc);
-       }
-
-       parent = dt_locate(env, &osd->od_dt_dev, &oti->oti_fid);
-       if (IS_ERR(parent)) {
-               CERROR("%s: Failed to locate %s "DFID", rc:%ld\n",
-                      osd->od_svname, OBJECTS, PFID(&oti->oti_fid),
-                      PTR_ERR(parent));
-               GOTO(out, rc = PTR_ERR(parent));
-       }
-
-       /* locate quota admin file */
-       if (feat == &dt_quota_iusr_features) {
-               fname = ADMIN_USR;
-               isblk = false;
-       } else if (feat == &dt_quota_busr_features) {
-               fname = ADMIN_USR;
-               isblk = true;
-       } else if (feat == &dt_quota_igrp_features) {
-               fname = ADMIN_GRP;
-               isblk = false;
-       } else {
-               fname = ADMIN_GRP;
-               isblk = true;
-       }
-
-       rc = dt_lookup_dir(env, parent, fname, &oti->oti_fid);
-       if (rc == -ENOENT) {
-               GOTO(out, rc = 0);
-       } else if (rc) {
-               CERROR("%s: Failed to lookup %s, rc:%d\n",
-                      osd->od_svname, fname, rc);
-               GOTO(out, rc);
-       }
-
-       admin = dt_locate(env, &osd->od_dt_dev, &oti->oti_fid);
-       if (IS_ERR(admin)) {
-               CERROR("%s: Failed to locate %s "DFID", rc:%d\n",
-                      osd->od_svname, fname, PFID(&oti->oti_fid), rc);
-               GOTO(out, rc = PTR_ERR(admin));
-       }
-
-       if (!dt_object_exists(admin)) {
-               CERROR("%s: Old admin file %s doesn't exist, but is still "
-                      " referenced in parent directory.\n",
-                      osd->od_svname, fname);
-               GOTO(out, rc = -ENOENT);
-       }
-
-       /* truncate the new quota index file in case of any leftovers
-        * from last failed migration */
-       rc = truncate_quota_index(env, dt, feat);
-       if (rc) {
-               CERROR("%s: Failed to truncate the quota index "DFID", rc:%d\n",
-                      osd->od_svname, PFID(lu_object_fid(&dt->do_lu)), rc);
-               GOTO(out, rc);
-       }
-
-       /* set up indexing operations for the admin file */
-       admin->do_index_ops = &osd_admin_index_ops;
-
-       LCONSOLE_INFO("%s: Migrate %s quota from old admin quota file(%s) to "
-                     "new IAM quota index("DFID").\n", osd->od_svname,
-                     isblk ? "block" : "inode", fname,
-                     PFID(lu_object_fid(&dt->do_lu)));
-
-       /* iterate the admin quota file, and insert each record into
-        * the new index file */
-       rc = convert_quota_file(env, admin, dt, isblk);
-       if (rc)
-               CERROR("%s: Migrate old admin quota file(%s) failed, rc:%d\n",
-                      osd->od_svname, fname, rc);
-       converted = true;
-out:
-       /* if no migration happen, we need to set the default grace time. */
-       if (!converted && rc == 0) {
-               struct lquota_glb_rec *rec = &oti->oti_quota_rec.lqr_glb_rec;
-
-               rec->qbr_hardlimit = 0;
-               rec->qbr_softlimit = 0;
-               rec->qbr_granted = 0;
-               rec->qbr_time = isblk ? MAX_DQ_TIME : MAX_IQ_TIME;
-
-               rc = lquota_disk_write_glb(env, dt, 0, rec);
-               if (rc)
-                       CERROR("%s: Failed to set default grace time for "
-                              "index("DFID"), rc:%d\n", osd->od_svname,
-                              PFID(lu_object_fid(&dt->do_lu)), rc);
-       }
-
-       /* bump index version to 1 (or 2 if migration happened), so the
-        * migration will be skipped next time. */
-       if (rc == 0) {
-               rc = set_quota_index_version(env , dt, converted ? 2 : 1);
-               if (rc)
-                       CERROR("%s: Failed to set quota index("DFID") "
-                              "version, rc:%d\n", osd->od_svname,
-                              PFID(lu_object_fid(&dt->do_lu)), rc);
-       }
-
-       if (admin && !IS_ERR(admin))
-               lu_object_put(env, &admin->do_lu);
-       if (parent && !IS_ERR(parent))
-               lu_object_put(env, &parent->do_lu);
-       lu_object_put(env, &root->do_lu);
+       if (force && (rcp == -EDQUOT || rcp == -EINPROGRESS))
+               /* as before, ignore EDQUOT & EINPROGRESS for root */
+               rcp = 0;
+#endif
 
-       RETURN(rc);
+       RETURN(rcu ? rcu : (rcg ? rcg : rcp));
 }
-#endif /* LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 7, 53, 0) */