- if (likely(msfs->os_type)) {
- if (unlikely(d->opd_reserved_mb_high == 0 &&
- d->opd_reserved_mb_low == 0)) {
- /* Use ~0.1% by default to disable object allocation,
- * and ~0.2% to enable, size in MB, set both watermark
- */
- spin_lock(&d->opd_pre_lock);
- if (d->opd_reserved_mb_high == 0 &&
- d->opd_reserved_mb_low == 0) {
- d->opd_reserved_mb_low =
- ((msfs->os_bsize >> 10) *
- msfs->os_blocks) >> 20;
- if (d->opd_reserved_mb_low == 0)
- d->opd_reserved_mb_low = 1;
- d->opd_reserved_mb_high =
- (d->opd_reserved_mb_low << 1) + 1;
- }
- spin_unlock(&d->opd_pre_lock);
- }
- /* in MB */
- available = (msfs->os_bavail * (msfs->os_bsize >> 10)) >> 10;
- if (msfs->os_ffree < 32)
- msfs->os_state |= OS_STATE_ENOINO;
- else if (msfs->os_ffree > 64)
- msfs->os_state &= ~OS_STATE_ENOINO;
-
- if (available < d->opd_reserved_mb_low)
- msfs->os_state |= OS_STATE_ENOSPC;
- else if (available > d->opd_reserved_mb_high)
- msfs->os_state &= ~OS_STATE_ENOSPC;
- if (msfs->os_state & (OS_STATE_ENOINO | OS_STATE_ENOSPC)) {
- d->opd_pre_status = -ENOSPC;
- if (old != -ENOSPC)
- CDEBUG(D_INFO, "%s: status: %llu blocks, %llu "
- "free, %llu avail, %llu MB avail, %u "
- "hwm -> %d: rc = %d\n",
- d->opd_obd->obd_name, msfs->os_blocks,
- msfs->os_bfree, msfs->os_bavail,
- available, d->opd_reserved_mb_high,
- d->opd_pre_status, rc);
- CDEBUG(D_INFO,
- "non-committed changes: %u, in progress: %u\n",
- atomic_read(&d->opd_syn_changes),
- atomic_read(&d->opd_syn_rpc_in_progress));
- } else if (unlikely(old == -ENOSPC)) {
- d->opd_pre_status = 0;
- spin_lock(&d->opd_pre_lock);
- d->opd_pre_create_slow = 0;
- d->opd_pre_create_count = OST_MIN_PRECREATE;
- spin_unlock(&d->opd_pre_lock);
- wake_up(&d->opd_pre_waitq);
-
- CDEBUG(D_INFO, "%s: space available: %llu blocks, %llu"
- " free, %llu avail, %lluMB avail, %u lwm"
- " -> %d: rc = %d\n", d->opd_obd->obd_name,
- msfs->os_blocks, msfs->os_bfree, msfs->os_bavail,
- available, d->opd_reserved_mb_low,
- d->opd_pre_status, rc);
- }