lqe_gl = lqe->lqe_is_global ? lqe : NULL;
rc = qmt_pool_lqes_lookup_spec(env, qmt, lqe_rtype(lqe),
lqe_qtype(lqe), &lqe->lqe_id);
- if (!qti_lqes_cnt(env))
+ if (rc)
GOTO(lqes_fini, rc);
if (!lqe_gl && qti_lqes_glbl(env)->lqe_is_global)
if (!lqe_gl)
GOTO(lqes_fini, rc);
+ mutex_lock(&lqe_gl->lqe_glbl_data_lock);
if (lqe_gl->lqe_glbl_data)
qmt_seed_glbe(env, lqe_gl->lqe_glbl_data);
+ mutex_unlock(&lqe_gl->lqe_glbl_data_lock);
+
/* Even if slaves haven't enqueued quota lock yet,
* it is needed to set lqe_revoke_time in qmt_id_lock_glimpse
* in case of reaching qpi_least_qunit */
__u64 ver;
bool dirtied = false;
int rc = 0;
- int need_id_notify = 0;
+ bool need_id_notify = false;
ENTRY;
/* need to write back to global quota file? */
/* change quota limits */
lqe->lqe_hardlimit = hard;
lqe->lqe_softlimit = soft;
+ if (is_default) {
+ dirtied = true;
+ GOTO(quota_write, 0);
+ }
quota_set:
/* recompute qunit in case it was never initialized */
if (qmt_revalidate(env, lqe))
- need_id_notify = 1;
+ need_id_notify = true;
/* clear grace time */
if (lqe->lqe_softlimit == 0 ||
/* change enforced status based on new parameters */
if (lqe->lqe_id.qid_uid == 0 || (lqe->lqe_hardlimit == 0 &&
- lqe->lqe_softlimit == 0))
- lqe->lqe_enforced = false;
- else
+ lqe->lqe_softlimit == 0)) {
+ if (lqe->lqe_enforced) {
+ lqe->lqe_enforced = false;
+ /* Clear qunit and edquot as lqe_adjust_edquot
+ * does not handle not enforced lqes */
+ lqe->lqe_edquot = 0;
+ lqe->lqe_qunit = 0;
+ need_id_notify = true;
+ }
+ } else {
lqe->lqe_enforced = true;
+ }
dirtied = true;
}
dirtied = true;
}
+quota_write:
if (dirtied) {
if (!is_updated) {
/* write new quota settings to disk */
/* compute new qunit value now that we have modified the quota
* settings or clear/set edquot flag if needed */
- if (qmt_adjust_qunit(env, lqe) || qmt_adjust_edquot(lqe, now))
- need_id_notify |= 1;
+ need_id_notify |= qmt_adjust_qunit(env, lqe);
+ need_id_notify |= qmt_adjust_edquot(lqe, now);
}
EXIT;
out:
lqe_write_unlock(lqe);
out_nolock:
- qti_lqes_restore_fini(env);
- if (th != NULL && !IS_ERR(th))
- dt_trans_stop(env, qmt->qmt_child, th);
+ if (!is_updated) {
+ if (th != NULL && !IS_ERR(th))
+ dt_trans_stop(env, qmt->qmt_child, th);
+ qti_lqes_restore_fini(env);
+ }
if (rc == 0 && dirtied) {
qmt_glb_lock_notify(env, lqe, ver);
LQUOTA_DEBUG(lqe, "notify all lqe with default quota");
iter_data.qeid_env = env;
iter_data.qeid_qmt = qmt;
- cfs_hash_for_each_safe(lqe->lqe_site->lqs_hash,
+ cfs_hash_for_each(lqe->lqe_site->lqs_hash,
qmt_entry_iter_cb, &iter_data);
/* Always notify slaves with default values. Don't
* care about overhead as will be sent only not changed
* values(see qmt_id_lock_cb for details).*/
- need_id_notify = 1;
+ need_id_notify = true;
}
- if (need_id_notify && !is_updated)
+ /* qti_lqes_inited > 0 means we came here from another
+ * qmt_pool_lqes_lookup(qmt_dqacq, intent_policy ...). Thus
+ * we can't init and add new lqes to don't overwrite already
+ * added.
+ */
+ if (!qti_lqes_inited(env) && need_id_notify)
qmt_set_id_notify(env, qmt, lqe);
}
if (IS_ERR(lqe))
RETURN(PTR_ERR(lqe));
+ lqe->lqe_is_deleted = 0;
+ lqe->lqe_is_reset = 0;
rc = qmt_set_with_lqe(env, qmt, lqe, hard, soft, time, valid,
is_default, is_updated);
+ if (rc == 0)
+ lqe->lqe_is_deleted = 0;
+
+ lqe_putref(lqe);
+ RETURN(rc);
+}
+
+/*
+ * Delete the quota setting of the specified quota ID
+ *
+ * \param env - is the environment passed by the caller
+ * \param qmt - is the quota master target
+ * \param restype - is the pool type, either block (i.e. LQUOTA_RES_DT) or
+ * inode (i.e. LQUOTA_RES_MD)
+ * \param qtype - is the quota type
+ * \param qid - is the quota indentifier for which we want to delete its
+ * quota settings.
+ */
+static int qmt_delete_qid(const struct lu_env *env, struct qmt_device *qmt,
+ __u8 restype, __u8 qtype, __u64 qid)
+{
+ struct qmt_thread_info *qti = qmt_info(env);
+ union lquota_id *quota_id = &qti->qti_id;
+ struct thandle *th = NULL;
+ struct qmt_pool_info *qpi = NULL;
+ struct lquota_entry *lqe = NULL;
+ __u64 ver = 0;
+ int rc;
+
+ ENTRY;
+
+ quota_id->qid_uid = qid;
+ lqe = qmt_pool_lqe_lookup(env, qmt, restype, qtype, quota_id, NULL);
+ if (IS_ERR(lqe))
+ RETURN(PTR_ERR(lqe));
+
+ lqe_write_lock(lqe);
+
+ qpi = qmt_pool_lookup_glb(env, qmt, restype);
+ if (IS_ERR(qpi))
+ GOTO(out, rc = -ENOMEM);
+
+ th = qmt_trans_start(env, lqe);
+ if (IS_ERR(th))
+ GOTO(out, rc = PTR_ERR(th));
+
+ rc = lquota_disk_delete(env, th,
+ qpi->qpi_glb_obj[qtype], qid, &ver);
+
+ dt_trans_stop(env, qmt->qmt_child, th);
+
+ if (rc == 0) {
+ lqe_set_deleted(lqe);
+ qmt_glb_lock_notify(env, lqe, ver);
+ } else if (rc == -ENOENT) {
+ rc = 0;
+ }
+
+out:
+ if (!IS_ERR_OR_NULL(qpi))
+ qpi_putref(env, qpi);
+
+ lqe_write_unlock(lqe);
lqe_putref(lqe);
+
RETURN(rc);
}
+static int qmt_reset_slv_cb(const struct lu_env *env, struct lu_fid *glb_fid,
+ char *slv_name, struct lu_fid *slv_fid, void *arg)
+{
+ struct qmt_device *qmt = (struct qmt_device *)arg;
+ struct qmt_thread_info *qti = qmt_info(env);
+ struct dt_object *slv_obj = NULL;
+ struct lquota_slv_rec rec;
+ struct thandle *th = NULL;
+ int rc;
+
+ slv_obj = dt_locate(env, qmt->qmt_child, slv_fid);
+ if (IS_ERR(slv_obj))
+ GOTO(out, rc = PTR_ERR(slv_obj));
+
+ if (slv_obj->do_index_ops == NULL) {
+ rc = slv_obj->do_ops->do_index_try(env, slv_obj,
+ &dt_quota_slv_features);
+ if (rc) {
+ CERROR("%s: fail to setup slave idx for %s: rc = %d\n",
+ qmt->qmt_child->dd_lu_dev.ld_obd->obd_name,
+ slv_name, rc);
+ GOTO(out, rc);
+ }
+ }
+
+ th = qmt_trans_start(env, qti_lqes(env)[0]);
+ if (IS_ERR(th))
+ GOTO(out, rc = PTR_ERR(th));
+
+ rec.qsr_granted = 0;
+ rc = lquota_disk_write(env, th, slv_obj, &qti->qti_id,
+ (struct dt_rec *)&rec, 0, NULL);
+ if (rc)
+ CERROR("%s: failed to reset slave grant for %s: rc = %d\n",
+ qmt->qmt_child->dd_lu_dev.ld_obd->obd_name, slv_name,
+ rc);
+out:
+ if (!IS_ERR_OR_NULL(th))
+ dt_trans_stop(env, qmt->qmt_child, th);
+
+ if (slv_obj != NULL)
+ dt_object_put(env, slv_obj);
+ return 0;
+}
+
+/*
+ * Reset the quota of the quota ID, it will reset the soft/hard limit and grant
+ *
+ * \param env - is the environment passed by the caller
+ * \param qmt - is the quota master target
+ * \param restype - is the pool type, either block (i.e. LQUOTA_RES_DT) or
+ * inode (i.e. LQUOTA_RES_MD)
+ * \param qtype - is the quota type
+ * \param qid - is the quota indentifier for which we want to delete its
+ * quota settings.
+ */
+static int qmt_reset_qid(const struct lu_env *env, struct qmt_device *qmt,
+ __u8 restype, __u8 qtype, __u64 qid)
+{
+ struct qmt_thread_info *qti = qmt_info(env);
+ union lquota_id *quota_id = &qti->qti_id;
+ struct qmt_pool_info *qpi = NULL;
+ struct lquota_entry *lqe = NULL;
+ struct thandle *th = NULL;
+ __u64 softlimit = 0, hardlimit = 0;
+ __u64 ver = 0;
+ int rc;
+
+ ENTRY;
+
+ quota_id->qid_uid = qid;
+ lqe = qmt_pool_lqe_lookup(env, qmt, restype, qtype, quota_id, NULL);
+ if (IS_ERR(lqe))
+ RETURN(PTR_ERR(lqe));
+
+ lqe_write_lock(lqe);
+
+ qpi = qmt_pool_lookup_glb(env, qmt, restype);
+ if (IS_ERR(qpi))
+ GOTO(out, rc = -ENOMEM);
+
+ th = qmt_trans_start(env, lqe);
+ if (IS_ERR(th))
+ GOTO(out, rc = PTR_ERR(th));
+
+ softlimit = lqe->lqe_softlimit;
+ hardlimit = lqe->lqe_hardlimit;
+
+ lqe->lqe_softlimit = 0;
+ lqe->lqe_hardlimit = 0;
+ lqe->lqe_granted = 0;
+ lqe->lqe_edquot = 0;
+ lqe->lqe_qunit = 0;
+ lqe->lqe_is_default = 0;
+ lqe->lqe_is_deleted = 0;
+ lqe->lqe_is_reset = 1;
+ rc = qmt_glb_write(env, th, lqe, LQUOTA_BUMP_VER, &ver);
+ if (rc)
+ LQUOTA_ERROR(lqe, "failed to write quota global rec\n");
+ dt_trans_stop(env, qmt->qmt_child, th);
+ if (rc)
+ GOTO(out, rc);
+
+ lquota_generate_fid(&qti->qti_fid, restype, qtype);
+ qti_lqes(env)[0] = lqe;
+ lquota_disk_for_each_slv(env, qpi->qpi_root, &qti->qti_fid,
+ qmt_reset_slv_cb, qmt);
+
+ qmt_glb_lock_notify(env, lqe, ver);
+
+out:
+ if (rc) {
+ if (softlimit != 0)
+ lqe->lqe_softlimit = softlimit;
+ if (hardlimit != 0)
+ lqe->lqe_hardlimit = hardlimit;
+ lqe->lqe_is_reset = 0;
+ }
+
+ if (!IS_ERR_OR_NULL(qpi))
+ qpi_putref(env, qpi);
+
+ lqe_write_unlock(lqe);
+ lqe_putref(lqe);
+
+ RETURN(rc);
+}
/*
* Handle quotactl request.
*
break;
case LUSTRE_Q_GETDEFAULT:
+ case LUSTRE_Q_GETDEFAULT_POOL:
is_default = true;
- /* fallthrough */
+ fallthrough;
case Q_GETQUOTA: /* consult quota limit */
case LUSTRE_Q_GETQUOTAPOOL:
break;
case LUSTRE_Q_SETDEFAULT:
+ case LUSTRE_Q_SETDEFAULT_POOL:
is_default = true;
- /* fallthrough */
+ fallthrough;
case Q_SETQUOTA: /* change quota limits */
case LUSTRE_Q_SETQUOTAPOOL:
false, poolname);
break;
+ case LUSTRE_Q_DELETEQID:
+ rc = qmt_delete_qid(env, qmt, LQUOTA_RES_MD, oqctl->qc_type,
+ oqctl->qc_id);
+ if (rc)
+ break;
+
+ rc = qmt_delete_qid(env, qmt, LQUOTA_RES_DT, oqctl->qc_type,
+ oqctl->qc_id);
+ break;
+
+ case LUSTRE_Q_RESETQID:
+ if (oqctl->qc_id == 0)
+ RETURN(-EINVAL);
+
+ id->qid_uid = oqctl->qc_id;
+ /* save the quota setting before resetting */
+ rc = qmt_get(env, qmt, LQUOTA_RES_MD, oqctl->qc_type, id,
+ &dqb->dqb_ihardlimit, &dqb->dqb_isoftlimit,
+ &dqb->dqb_itime, false, NULL);
+ if (rc)
+ break;
+ else
+ dqb->dqb_valid |= QIF_ILIMITS | QIF_ITIME;
+
+ rc = qmt_get(env, qmt, LQUOTA_RES_DT, oqctl->qc_type, id,
+ &dqb->dqb_bhardlimit, &dqb->dqb_bsoftlimit,
+ &dqb->dqb_btime, false, NULL);
+ if (rc)
+ break;
+
+ dqb->dqb_valid |= QIF_BLIMITS | QIF_BTIME;
+ dqb->dqb_curinodes = 0;
+ dqb->dqb_curspace = 0;
+
+ /* reset the corresponding quota ID */
+ rc = qmt_reset_qid(env, qmt, LQUOTA_RES_MD, oqctl->qc_type,
+ oqctl->qc_id);
+ if (rc)
+ break;
+
+ rc = qmt_reset_qid(env, qmt, LQUOTA_RES_DT, oqctl->qc_type,
+ oqctl->qc_id);
+ break;
+
+
default:
CERROR("%s: unsupported quotactl command: %d\n",
qmt->qmt_svname, oqctl->qc_cmd);
return can_release;
}
-static inline void qmt_rel_lqes(const struct lu_env *env, __u64 *slv, __u64 cnt)
+static inline void qmt_rel_lqes(const struct lu_env *env, __u64 *slv, __u64 cnt,
+ bool reset)
{
int i;
- for (i = 0; i < qti_lqes_cnt(env); i++)
- qti_lqe_granted(env, i) -= cnt;
+ for (i = 0; i < qti_lqes_cnt(env); i++) {
+ if (reset)
+ qti_lqe_granted(env, i) = 0;
+ else
+ qti_lqe_granted(env, i) -= cnt;
+ }
- *slv -= cnt;
+ if (reset)
+ *slv = 0;
+ else
+ *slv -= cnt;
}
static inline bool qmt_lqes_cannot_grant(const struct lu_env *env, __u64 cnt)
* acquire/release
* \param qb_usage - is the current space usage on the slave
* \param repbody - is the quota_body of reply
+ * \param idx - is the index of a slave target
*
* \retval 0 : success
* \retval -EDQUOT : out of quota
*/
int qmt_dqacq0(const struct lu_env *env, struct qmt_device *qmt,
struct obd_uuid *uuid, __u32 qb_flags, __u64 qb_count,
- __u64 qb_usage, struct quota_body *repbody)
+ __u64 qb_usage, struct quota_body *repbody, int idx)
{
- __u64 now, count;
+ __u64 now, count = 0;
struct dt_object *slv_obj = NULL;
__u64 slv_granted, slv_granted_bck;
struct thandle *th = NULL;
if (OBD_FAIL_CHECK(OBD_FAIL_QUOTA_RECOVERABLE_ERR))
RETURN(-cfs_fail_val);
+ if (OBD_FAIL_CHECK(OBD_FAIL_QUOTA_PREACQ) &&
+ (req_is_preacq(qb_flags) || req_is_rel(qb_flags)))
+ RETURN(-EAGAIN);
+
if (qti_lqes_restore_init(env))
RETURN(-ENOMEM);
if (req_is_acq(qb_flags) && qb_count == 0)
GOTO(out_locked, rc = 0);
+ if (lqe->lqe_is_reset) {
+ lqe->lqe_granted = 0;
+ repbody->qb_count = qb_count;
+ qmt_rel_lqes(env, &slv_granted, qb_count, lqe->lqe_is_reset);
+ GOTO(out_locked, rc = 0);
+ }
+
/* fetch how much quota space is already granted to this slave */
rc = qmt_slv_read(env, &lqe->lqe_id, slv_obj, &slv_granted);
if (rc) {
repbody->qb_count = qb_count;
/* put released space back to global pool */
- qmt_rel_lqes(env, &slv_granted, qb_count);
+ qmt_rel_lqes(env, &slv_granted, qb_count, lqe->lqe_is_reset);
GOTO(out_write, rc = 0);
}
/* start/stop grace timer if required */
qmt_lqes_tune_grace(env, now);
+ if (OBD_FAIL_CHECK(OBD_FAIL_QUOTA_GRANT))
+ slv_granted = 0xFFFFFFFFFFF00000;
+
/* Update slave index first since it is easier to roll back */
ret = qmt_slv_write(env, th, lqe, slv_obj, LQUOTA_BUMP_VER,
&repbody->qb_slv_ver, slv_granted);
* size according to the total granted & limits. */
/* clear/set edquot flag and notify slaves via glimpse if needed */
- qmt_adjust_and_notify(env, qmt, now, qb_flags);
+ qmt_adjust_notify_nu(env, qmt, now, qb_flags, idx);
out_locked:
LQUOTA_DEBUG_LQES(env, "dqacq ends count:%llu ver:%llu rc:%d",
repbody->qb_count, repbody->qb_slv_ver, rc);
RETURN(rc);
rc = qmt_dqacq0(env, qmt, uuid, qbody->qb_flags,
- qbody->qb_count, qbody->qb_usage, repbody);
+ qbody->qb_count, qbody->qb_usage, repbody,
+ qmt_dom(rtype, stype) ? -1 : idx);
if (lustre_handle_is_used(&qbody->qb_lockh))
/* return current qunit value only to slaves owning an per-ID
git://git.whamcloud.com / fs / lustre-release.git / blobdiff