* GPL HEADER END
*/
/*
- * Copyright (c) 2012, 2014, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
* Use is subject to license terms.
*
* Author: Johann Lombardi <johann.lombardi@intel.com>
adjust = qsd_adjust_needed(lqe);
if (reqbody && req_is_acq(reqbody->qb_flags) && ret != -EDQUOT) {
lqe->lqe_acq_rc = ret;
- lqe->lqe_acq_time = cfs_time_current_64();
+ lqe->lqe_acq_time = ktime_get_seconds();
}
out_noadjust:
qsd_request_exit(lqe);
* sometimes due to the race reply of dqacq vs. id lock glimpse
* (see LU-4505), so we revalidate it every 5 seconds. */
} else if (lqe->lqe_edquot &&
- cfs_time_before_64(cfs_time_shift_64(-5),
- lqe->lqe_edquot_time)) {
+ (lqe->lqe_edquot_time > ktime_get_seconds() - 5)) {
rc = -EDQUOT;
}else {
rc = -EAGAIN;
/* check whether an acquire request completed recently */
if (lqe->lqe_acq_rc != 0 &&
- cfs_time_before_64(cfs_time_shift_64(-1), lqe->lqe_acq_time)) {
+ lqe->lqe_acq_time > ktime_get_seconds() - 1) {
lqe_write_unlock(lqe);
LQUOTA_DEBUG(lqe, "using cached return code %d", lqe->lqe_acq_rc);
RETURN(lqe->lqe_acq_rc);
* rc < 0, something bad happened */
break;
+ /* if we have gotten some quota and stil wait more quota,
+ * it's better to give QMT some time to reclaim from clients */
+ if (count > 0)
+ schedule_timeout_interruptible(cfs_time_seconds(1));
+
/* need to acquire more quota space from master */
rc = qsd_acquire_remote(env, lqe);
}
*/
static int qsd_op_begin0(const struct lu_env *env, struct qsd_qtype_info *qqi,
struct lquota_id_info *qid, long long space,
- int *flags)
+ enum osd_quota_local_flags *local_flags)
{
struct lquota_entry *lqe;
- struct l_wait_info lwi;
- int qtype_flag = 0;
+ enum osd_quota_local_flags qtype_flag = 0;
int rc, ret = -EINPROGRESS;
ENTRY;
* quota space. That said, we still want to perform space
* adjustments in qsd_op_end, so we return here, but with
* a reference on the lqe */
- if (flags != NULL) {
+ if (local_flags != NULL) {
rc = qsd_refresh_usage(env, lqe);
GOTO(out_flags, rc);
}
/* acquire quota space for the operation, cap overall wait time to
* prevent a service thread from being stuck for too long */
- lwi = LWI_TIMEOUT(cfs_time_seconds(qsd_wait_timeout(qqi->qqi_qsd)),
- NULL, NULL);
- rc = l_wait_event(lqe->lqe_waiters, qsd_acquire(env, lqe, space, &ret),
- &lwi);
+ rc = wait_event_idle_timeout(
+ lqe->lqe_waiters, qsd_acquire(env, lqe, space, &ret),
+ cfs_time_seconds(qsd_wait_timeout(qqi->qqi_qsd)));
- if (rc == 0 && ret == 0) {
+ if (rc > 0 && ret == 0) {
qid->lqi_space += space;
+ rc = 0;
} else {
- if (rc == 0)
+ if (rc > 0)
rc = ret;
+ else if (rc == 0)
+ rc = -ETIMEDOUT;
LQUOTA_DEBUG(lqe, "acquire quota failed:%d", rc);
lqe_write_lock(lqe);
lqe->lqe_waiting_write -= space;
- if (flags && lqe->lqe_pending_write != 0)
+ if (local_flags && lqe->lqe_pending_write != 0)
/* Inform OSD layer that there are pending writes.
* It might want to retry after a sync if appropriate */
- *flags |= QUOTA_FL_SYNC;
+ *local_flags |= QUOTA_FL_SYNC;
lqe_write_unlock(lqe);
/* convert recoverable error into -EINPROGRESS, client will
}
}
- if (flags != NULL) {
+ if (local_flags != NULL) {
out_flags:
LASSERT(qid->lqi_is_blk);
if (rc != 0) {
- *flags |= lquota_over_fl(qqi->qqi_qtype);
+ *local_flags |= lquota_over_fl(qqi->qqi_qtype);
} else {
__u64 usage;
lqe_read_lock(lqe);
- usage = lqe->lqe_usage;
- usage += lqe->lqe_pending_write;
+ usage = lqe->lqe_pending_write;
usage += lqe->lqe_waiting_write;
- usage += qqi->qqi_qsd->qsd_sync_threshold;
+ if (lqe->lqe_qunit != 0 && (usage % lqe->lqe_qunit >
+ qqi->qqi_qsd->qsd_sync_threshold))
+ usage += qqi->qqi_qsd->qsd_sync_threshold;
+
+ usage += lqe->lqe_usage;
qtype_flag = lquota_over_fl(qqi->qqi_qtype);
/* if we should notify client to start sync write */
if (usage >= lqe->lqe_granted - lqe->lqe_pending_rel)
- *flags |= qtype_flag;
+ *local_flags |= qtype_flag;
else
- *flags &= ~qtype_flag;
+ *local_flags &= ~qtype_flag;
lqe_read_unlock(lqe);
}
}
static inline bool qid_equal(struct lquota_id_info *q1,
struct lquota_id_info *q2)
{
- if (q1->lqi_type != q2->lqi_type)
+ if (q1->lqi_is_blk != q2->lqi_is_blk || q1->lqi_type != q2->lqi_type)
return false;
return (q1->lqi_id.qid_uid == q2->lqi_id.qid_uid) ? true : false;
}
*/
int qsd_op_begin(const struct lu_env *env, struct qsd_instance *qsd,
struct lquota_trans *trans, struct lquota_id_info *qi,
- int *flags)
+ enum osd_quota_local_flags *local_flags)
{
int i, rc;
bool found = false;
for (i = 0; i < trans->lqt_id_cnt; i++) {
if (qid_equal(qi, &trans->lqt_ids[i])) {
found = true;
- /* make sure we are not mixing inodes & blocks */
- LASSERT(trans->lqt_ids[i].lqi_is_blk == qi->lqi_is_blk);
break;
}
}
/* manage quota enforcement for this ID */
rc = qsd_op_begin0(env, qsd->qsd_type_array[qi->lqi_type],
- &trans->lqt_ids[i], qi->lqi_space, flags);
+ &trans->lqt_ids[i], qi->lqi_space, local_flags);
RETURN(rc);
}
EXPORT_SYMBOL(qsd_op_begin);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff