* is_acq: whether it is acquiring; otherwise, it is releasing
*/
void quota_compute_lqs(struct qunit_data *qdata, struct lustre_qunit_size *lqs,
- int is_chk, int is_acq)
+ int is_chk, int is_acq)
{
- int is_blk;
+ long long *rec;
LASSERT(qdata && lqs);
LASSERT_SPIN_LOCKED(&lqs->lqs_lock);
- is_blk = QDATA_IS_BLK(qdata);
-
- if (is_chk) {
- if (is_acq) {
- if (is_blk)
- lqs->lqs_blk_rec += qdata->qd_count;
- else
- lqs->lqs_ino_rec += qdata->qd_count;
- } else {
- if (is_blk)
- lqs->lqs_blk_rec -= qdata->qd_count;
- else
- lqs->lqs_ino_rec -= qdata->qd_count;
- }
- } else {
- if (is_acq) {
- if (is_blk)
- lqs->lqs_blk_rec -= qdata->qd_count;
- else
- lqs->lqs_ino_rec -= qdata->qd_count;
- } else {
- if (is_blk)
- lqs->lqs_blk_rec += qdata->qd_count;
- else
- lqs->lqs_ino_rec += qdata->qd_count;
- }
- }
-}
-
-void qdata_to_oqaq(struct qunit_data *qdata, struct quota_adjust_qunit *oqaq)
-{
- LASSERT(qdata);
- LASSERT(oqaq);
-
- oqaq->qaq_flags = qdata->qd_flags;
- oqaq->qaq_id = qdata->qd_id;
- if (QDATA_IS_ADJBLK(qdata))
- oqaq->qaq_bunit_sz = qdata->qd_qunit;
- if (QDATA_IS_ADJINO(qdata))
- oqaq->qaq_iunit_sz = qdata->qd_qunit;
-}
-
-int quota_search_lqs(struct qunit_data *qdata, struct quota_adjust_qunit *oqaq,
- struct lustre_quota_ctxt *qctxt,
- struct lustre_qunit_size **lqs_return)
-{
- struct quota_adjust_qunit *oqaq_tmp = NULL;
- ENTRY;
- LASSERT(*lqs_return == NULL);
- LASSERT(oqaq || qdata);
+ rec = QDATA_IS_BLK(qdata) ? &lqs->lqs_blk_rec : &lqs->lqs_ino_rec;
- if (!oqaq) {
- OBD_ALLOC_PTR(oqaq_tmp);
- if (!oqaq_tmp)
- RETURN(-ENOMEM);
- qdata_to_oqaq(qdata, oqaq_tmp);
- } else {
- oqaq_tmp = oqaq;
- }
-
- *lqs_return = lustre_hash_lookup(qctxt->lqc_lqs_hash, oqaq_tmp);
- if (*lqs_return)
- LQS_DEBUG((*lqs_return), "show lqs\n");
+ if (!!is_chk + !!is_acq == 1)
+ *rec -= qdata->qd_count;
+ else
+ *rec += qdata->qd_count;
- if (!oqaq)
- OBD_FREE_PTR(oqaq_tmp);
- RETURN(0);
}
-int quota_create_lqs(struct qunit_data *qdata, struct quota_adjust_qunit *oqaq,
- struct lustre_quota_ctxt *qctxt,
- struct lustre_qunit_size **lqs_return)
+static struct lustre_qunit_size *
+quota_create_lqs(unsigned long long lqs_key, struct lustre_quota_ctxt *qctxt)
{
struct lustre_qunit_size *lqs = NULL;
int rc = 0;
- ENTRY;
-
- LASSERT(*lqs_return == NULL);
- LASSERT(oqaq || qdata);
OBD_ALLOC_PTR(lqs);
if (!lqs)
GOTO(out, rc = -ENOMEM);
- if (!oqaq)
- qdata_to_oqaq(qdata, &lqs->lqs_key);
- else
- lqs->lqs_key = *oqaq;
+ lqs->lqs_key = lqs_key;
spin_lock_init(&lqs->lqs_lock);
lqs->lqs_bwrite_pending = 0;
lqs->lqs_iwrite_pending = 0;
lqs->lqs_ino_rec = 0;
lqs->lqs_blk_rec = 0;
- lqs->lqs_id = lqs->lqs_key.qaq_id;
- lqs->lqs_flags = QAQ_IS_GRP(&lqs->lqs_key);
+ lqs->lqs_id = LQS_KEY_ID(lqs->lqs_key);
+ lqs->lqs_flags = LQS_KEY_GRP(lqs->lqs_key) ? LQUOTA_FLAGS_GRP : 0;
lqs->lqs_bunit_sz = qctxt->lqc_bunit_sz;
lqs->lqs_iunit_sz = qctxt->lqc_iunit_sz;
lqs->lqs_btune_sz = qctxt->lqc_btune_sz;
lqs->lqs_last_ishrink = 0;
}
lqs_initref(lqs);
- rc = lustre_hash_add_unique(qctxt->lqc_lqs_hash,
- &lqs->lqs_key, &lqs->lqs_hash);
- LQS_DEBUG(lqs, "create lqs\n");
- if (!rc) {
+ rc = lustre_hash_add_unique(qctxt->lqc_lqs_hash, &lqs->lqs_key,
+ &lqs->lqs_hash);
+ if (!rc)
lqs_getref(lqs);
- *lqs_return = lqs;
- }
-out:
+
+ out:
if (rc && lqs)
OBD_FREE_PTR(lqs);
- RETURN(rc);
+
+ if (rc)
+ return ERR_PTR(rc);
+ else
+ return lqs;
+}
+
+struct lustre_qunit_size *quota_search_lqs(unsigned long long lqs_key,
+ struct lustre_quota_ctxt *qctxt,
+ int create)
+{
+ int rc = 0;
+ struct lustre_qunit_size *lqs;
+
+ search_lqs:
+ lqs = lustre_hash_lookup(qctxt->lqc_lqs_hash, &lqs_key);
+ if (lqs == NULL && create) {
+ lqs = quota_create_lqs(lqs_key, qctxt);
+ if (IS_ERR(lqs))
+ rc = PTR_ERR(lqs);
+ if (rc == -EALREADY) {
+ rc = 0;
+ goto search_lqs;
+ }
+ }
+
+ if (lqs)
+ LQS_DEBUG(lqs, "%s\n",
+ (create == 1 ? "create lqs" : "search lqs"));
+
+ if (rc == 0) {
+ return lqs;
+ } else {
+ CDEBUG(D_ERROR, "get lqs error(rc: %d)\n", rc);
+ return ERR_PTR(rc);
+ }
}
int quota_adjust_slave_lqs(struct quota_adjust_qunit *oqaq,
ENTRY;
LASSERT(qctxt);
-search_lqs:
- rc = quota_search_lqs(NULL, oqaq, qctxt, &lqs);
+ lqs = quota_search_lqs(LQS_KEY(QAQ_IS_GRP(oqaq), oqaq->qaq_id),
+ qctxt, 1);
+ if (lqs == NULL || IS_ERR(lqs))
+ RETURN(PTR_ERR(lqs));
/* deleting the lqs, because a user sets lfs quota 0 0 0 0 */
if (!oqaq->qaq_bunit_sz && !oqaq->qaq_iunit_sz && QAQ_IS_ADJBLK(oqaq) &&
QAQ_IS_ADJINO(oqaq)) {
- if (lqs) {
- LQS_DEBUG(lqs, "release lqs\n");
- /* this is for quota_search_lqs */
- lqs_putref(lqs);
- /* kill lqs */
- lqs_putref(lqs);
- }
+ LQS_DEBUG(lqs, "release lqs\n");
+ /* this is for quota_search_lqs */
+ lqs_putref(lqs);
+ /* kill lqs */
+ lqs_putref(lqs);
RETURN(rc);
}
- if (!lqs) {
- rc = quota_create_lqs(NULL, oqaq, qctxt, &lqs);
- if (rc == -EALREADY)
- goto search_lqs;
- if (rc < 0)
- RETURN(rc);
- }
-
lbunit = &lqs->lqs_bunit_sz;
liunit = &lqs->lqs_iunit_sz;
lbtune = &lqs->lqs_btune_sz;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff