d->opd_statfs_fresh_till);
}
+/*
+ * OSP tries to maintain pool of available objects so that calls to create
+ * objects don't block most of time
+ *
+ * each time OSP gets connected to OST, we should start from precreation cleanup
+ */
+static inline bool osp_precreate_running(struct osp_device *d)
+{
+ return !!(d->opd_pre_thread.t_flags & SVC_RUNNING);
+}
+
+static inline bool osp_precreate_stopped(struct osp_device *d)
+{
+ return !!(d->opd_pre_thread.t_flags & SVC_STOPPED);
+}
+
static void osp_statfs_timer_cb(unsigned long _d)
{
struct osp_device *d = (struct osp_device *) _d;
LASSERT(d);
- wake_up(&d->opd_pre_waitq);
+ if (d->opd_pre != NULL && osp_precreate_running(d))
+ wake_up(&d->opd_pre_waitq);
}
static int osp_statfs_interpret(const struct lu_env *env,
RETURN(0);
out:
/* couldn't update statfs, try again as soon as possible */
- wake_up(&d->opd_pre_waitq);
+ if (d->opd_pre != NULL && osp_precreate_running(d))
+ wake_up(&d->opd_pre_waitq);
+
if (req->rq_import_generation == imp->imp_generation)
CDEBUG(D_CACHE, "%s: couldn't update statfs: rc = %d\n",
d->opd_obd->obd_name, rc);
}
}
-
-/*
- * OSP tries to maintain pool of available objects so that calls to create
- * objects don't block most of time
- *
- * each time OSP gets connected to OST, we should start from precreation cleanup
- */
-static inline int osp_precreate_running(struct osp_device *d)
-{
- return !!(d->opd_pre_thread.t_flags & SVC_RUNNING);
-}
-
-static inline int osp_precreate_stopped(struct osp_device *d)
-{
- return !!(d->opd_pre_thread.t_flags & SVC_STOPPED);
-}
-
static inline int osp_objs_precreated(const struct lu_env *env,
struct osp_device *osp)
{
- struct lu_fid *fid1 = &osp->opd_pre_last_created_fid;
- struct lu_fid *fid2 = &osp->opd_pre_used_fid;
-
- LASSERTF(fid_seq(fid1) == fid_seq(fid2),
- "Created fid"DFID" Next fid "DFID"\n", PFID(fid1), PFID(fid2));
-
- if (fid_is_idif(fid1)) {
- struct ost_id *oi1 = &osp_env_info(env)->osi_oi;
- struct ost_id *oi2 = &osp_env_info(env)->osi_oi2;
-
- LASSERT(fid_is_idif(fid1) && fid_is_idif(fid2));
- fid_to_ostid(fid1, oi1);
- fid_to_ostid(fid2, oi2);
- LASSERT(ostid_id(oi1) >= ostid_id(oi2));
-
- return ostid_id(oi1) - ostid_id(oi2);
- }
-
- return fid_oid(fid1) - fid_oid(fid2);
+ return osp_fid_diff(&osp->opd_pre_last_created_fid,
+ &osp->opd_pre_used_fid);
}
static inline int osp_precreate_near_empty_nolock(const struct lu_env *env,
th->th_sync |= sync;
rc = dt_declare_record_write(env, osp->opd_last_used_oid_file,
- lb_oid->lb_len, oid_off, th);
+ lb_oid, oid_off, th);
if (rc != 0)
GOTO(out, rc);
rc = dt_declare_record_write(env, osp->opd_last_used_seq_file,
- lb_oseq->lb_len, oseq_off, th);
+ lb_oseq, oseq_off, th);
if (rc != 0)
GOTO(out, rc);
GOTO(out_req, rc = -EPROTO);
ostid_to_fid(fid, &body->oa.o_oi, d->opd_index);
- LASSERTF(lu_fid_diff(fid, &d->opd_pre_used_fid) > 0,
- "reply fid "DFID" pre used fid "DFID"\n", PFID(fid),
- PFID(&d->opd_pre_used_fid));
+ if (osp_fid_diff(fid, &d->opd_pre_used_fid) <= 0) {
+ CERROR("%s: precreate fid "DFID" < local used fid "DFID
+ ": rc = %d\n", d->opd_obd->obd_name,
+ PFID(fid), PFID(&d->opd_pre_used_fid), -ESTALE);
+ GOTO(out_req, rc = -ESTALE);
+ }
- diff = lu_fid_diff(fid, &d->opd_pre_last_created_fid);
+ diff = osp_fid_diff(fid, &d->opd_pre_last_created_fid);
spin_lock(&d->opd_pre_lock);
if (diff < grow) {
d->opd_pre_grow_slow = 0;
}
+ body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
+ fid_to_ostid(fid, &body->oa.o_oi);
+
d->opd_pre_last_created_fid = *fid;
spin_unlock(&d->opd_pre_lock);
ostid_to_fid(last_fid, &body->oa.o_oi, d->opd_index);
spin_lock(&d->opd_pre_lock);
- diff = lu_fid_diff(&d->opd_last_used_fid, last_fid);
+ diff = osp_fid_diff(&d->opd_last_used_fid, last_fid);
if (diff > 0) {
d->opd_pre_grow_count = OST_MIN_PRECREATE + diff;
d->opd_pre_last_created_fid = d->opd_last_used_fid;
wake_up(&d->opd_pre_user_waitq);
}
-static int osp_init_pre_fid(struct osp_device *osp)
+int osp_init_pre_fid(struct osp_device *osp)
{
struct lu_env env;
struct osp_thread_info *osi;
int rc;
ENTRY;
+ LASSERT(osp->opd_pre != NULL);
+
/* Return if last_used fid has been initialized */
if (!fid_is_zero(&osp->opd_last_used_fid))
RETURN(0);
break;
LASSERT(d->opd_obd->u.cli.cl_seq != NULL);
- if (d->opd_obd->u.cli.cl_seq->lcs_exp == NULL) {
- /* Get new sequence for client first */
- LASSERT(d->opd_exp != NULL);
- d->opd_obd->u.cli.cl_seq->lcs_exp =
- class_export_get(d->opd_exp);
- rc = osp_init_pre_fid(d);
- if (rc != 0) {
- class_export_put(d->opd_exp);
- d->opd_obd->u.cli.cl_seq->lcs_exp = NULL;
- CERROR("%s: init pre fid error: rc = %d\n",
- d->opd_obd->obd_name, rc);
- continue;
- }
+ /* Sigh, fid client is not ready yet */
+ if (d->opd_obd->u.cli.cl_seq->lcs_exp == NULL)
+ continue;
+
+ /* Init fid for osp_precreate if necessary */
+ rc = osp_init_pre_fid(d);
+ if (rc != 0) {
+ class_export_put(d->opd_exp);
+ d->opd_obd->u.cli.cl_seq->lcs_exp = NULL;
+ CERROR("%s: init pre fid error: rc = %d\n",
+ d->opd_obd->obd_name, rc);
+ continue;
}
osp_statfs_update(d);
return 1;
/* Bail out I/O fails to OST */
- if (d->opd_pre_status == -EIO)
+ if (d->opd_pre_status != 0 &&
+ d->opd_pre_status != -EAGAIN &&
+ d->opd_pre_status != -ENODEV &&
+ d->opd_pre_status != -ENOSPC) {
+ /* DEBUG LU-3230 */
+ if (d->opd_pre_status != -EIO)
+ CERROR("%s: precreate failed opd_pre_status %d\n",
+ d->opd_obd->obd_name, d->opd_pre_status);
return 1;
+ }
return 0;
}
{
struct osp_device *d = data;
- LCONSOLE_WARN("%s: slow creates, last="DFID", next="DFID", "
- "reserved="LPU64", syn_changes=%lu, "
- "syn_rpc_in_progress=%d, status=%d\n",
- d->opd_obd->obd_name, PFID(&d->opd_pre_last_created_fid),
- PFID(&d->opd_pre_used_fid), d->opd_pre_reserved,
- d->opd_syn_changes, d->opd_syn_rpc_in_progress,
- d->opd_pre_status);
+ CDEBUG(D_HA, "%s: slow creates, last="DFID", next="DFID", "
+ "reserved="LPU64", syn_changes=%lu, "
+ "syn_rpc_in_progress=%d, status=%d\n",
+ d->opd_obd->obd_name, PFID(&d->opd_pre_last_created_fid),
+ PFID(&d->opd_pre_used_fid), d->opd_pre_reserved,
+ d->opd_syn_changes, d->opd_syn_rpc_in_progress,
+ d->opd_pre_status);
return 1;
}
* - OST can allocate fid sequence.
*/
while ((rc = d->opd_pre_status) == 0 || rc == -ENOSPC ||
- rc == -ENODEV || rc == -EAGAIN) {
+ rc == -ENODEV || rc == -EAGAIN || rc == -ENOTCONN) {
/*
* increase number of precreations
/* grab next id from the pool */
spin_lock(&d->opd_pre_lock);
- LASSERTF(lu_fid_diff(&d->opd_pre_used_fid,
+ LASSERTF(osp_fid_diff(&d->opd_pre_used_fid,
&d->opd_pre_last_created_fid) < 0,
"next fid "DFID" last created fid "DFID"\n",
PFID(&d->opd_pre_used_fid),
ENTRY;
+ OBD_ALLOC_PTR(d->opd_pre);
+ if (d->opd_pre == NULL)
+ RETURN(-ENOMEM);
+
/* initially precreation isn't ready */
d->opd_pre_status = -EAGAIN;
fid_zero(&d->opd_pre_used_fid);
* start thread handling precreation and statfs updates
*/
task = kthread_run(osp_precreate_thread, d,
- "osp-pre-%u", d->opd_index);
+ "osp-pre-%u-%u", d->opd_index, d->opd_group);
if (IS_ERR(task)) {
CERROR("can't start precreate thread %ld\n", PTR_ERR(task));
RETURN(PTR_ERR(task));
void osp_precreate_fini(struct osp_device *d)
{
- struct ptlrpc_thread *thread = &d->opd_pre_thread;
+ struct ptlrpc_thread *thread;
ENTRY;
cfs_timer_disarm(&d->opd_statfs_timer);
+ if (d->opd_pre == NULL)
+ RETURN_EXIT;
+
+ thread = &d->opd_pre_thread;
+
thread->t_flags = SVC_STOPPING;
wake_up(&d->opd_pre_waitq);
wait_event(thread->t_ctl_waitq, thread->t_flags & SVC_STOPPED);
+ OBD_FREE_PTR(d->opd_pre);
+ d->opd_pre = NULL;
+
EXIT;
}