struct lu_attr *attr = MDD_ENV_VAR(env, cattr);
const struct lu_attr *la = &ma->ma_attr;
struct lu_ucred *uc;
+ bool quota_reserved = false;
bool chrgrp_by_unprivileged_user = false;
+ __s64 quota_size = 0;
int rc;
ENTRY;
uc = lu_ucred_check(env);
if (S_ISREG(attr->la_mode) && la->la_valid & LA_GID &&
la->la_gid != attr->la_gid && uc != NULL && uc->uc_fsuid != 0) {
- /* LU-10048: disable synchronous chgrp operation for it will
- * cause deadlock between MDT and OST.
- la_copy->la_valid |= LA_FLAGS;
- la_copy->la_flags |= LUSTRE_SET_SYNC_FL;
- */
+ CDEBUG(D_QUOTA, "%s: reserve quota for changing group: gid=%u size=%llu\n",
+ mdd2obd_dev(mdd)->obd_name, la->la_gid, la->la_size);
+
+ if (la->la_valid & LA_BLOCKS)
+ quota_size = la->la_blocks << 9;
+ else if (la->la_valid & LA_SIZE)
+ quota_size = la->la_size;
+ /* use local attr gotten above */
+ else if (attr->la_valid & LA_BLOCKS)
+ quota_size = attr->la_blocks << 9;
+ else if (attr->la_valid & LA_SIZE)
+ quota_size = attr->la_size;
+
+ if (quota_size > 0) {
+ rc = dt_reserve_or_free_quota(env, mdd->mdd_bottom,
+ GRPQUOTA, attr->la_uid,
+ la->la_gid, quota_size,
+ false);
+
+ if (rc) {
+ CDEBUG(D_QUOTA, "%s: failed to reserve quota for gid %d size %llu\n",
+ mdd2obd_dev(mdd)->obd_name,
+ la->la_gid, quota_size);
+
+ GOTO(out, rc);
+ }
+
+ quota_reserved = true;
+ la_copy->la_valid |= LA_FLAGS;
+ }
+
chrgrp_by_unprivileged_user = true;
/* Flush the possible existing client setattr requests to OSTs
rc = mdd_attr_set_changelog(env, obj, handle, &ma->ma_pfid,
la_copy->la_valid);
+ if (rc == 0 && quota_reserved) {
+ struct thandle *sub_th;
+
+ sub_th = thandle_get_sub_by_dt(env, handle, mdd->mdd_bottom);
+ if (unlikely(IS_ERR(sub_th))) {
+ dt_reserve_or_free_quota(env, mdd->mdd_bottom, GRPQUOTA,
+ attr->la_uid, la->la_gid,
+ -quota_size, false);
+ } else {
+ sub_th->th_reserved_quota.qrr_type = GRPQUOTA;
+ sub_th->th_reserved_quota.qrr_id.qid_gid = la->la_gid;
+ sub_th->th_reserved_quota.qrr_count = quota_size;
+ }
+ }
+
if (handle != NULL)
rc = mdd_trans_stop(env, mdd, rc, handle);