/* list for the ost targets in phase1 scanning. */
struct list_head llmd_ost_phase2_list;
+ /* list for the mdt targets involve layout verification. */
+ struct list_head llmd_mdt_list;
+
+ /* list for the mdt targets in phase1 scanning. */
+ struct list_head llmd_mdt_phase1_list;
+
+ /* list for the mdt targets in phase1 scanning. */
+ struct list_head llmd_mdt_phase2_list;
+
struct ptlrpc_thread llmd_thread;
atomic_t llmd_rpcs_in_flight;
__u32 llmd_touch_gen;
switch (lr->lr_event) {
case LE_START:
- if (rc == 0) {
- spin_lock(<ds->ltd_lock);
- if (!ltd->ltd_dead && !ltd->ltd_layout_done) {
- if (list_empty(<d->ltd_layout_list))
- list_add_tail(
- <d->ltd_layout_list,
- &llmd->llmd_ost_list);
- if (list_empty(<d->ltd_layout_phase_list))
- list_add_tail(
- <d->ltd_layout_phase_list,
- &llmd->llmd_ost_phase1_list);
- }
- spin_unlock(<ds->ltd_lock);
- } else {
+ if (rc != 0) {
struct lfsck_layout *lo = com->lc_file_ram;
lo->ll_flags |= LF_INCOMPLETE;
+ lfsck_tgt_put(ltd);
+ break;
}
+
+ spin_lock(<ds->ltd_lock);
+ if (ltd->ltd_dead || ltd->ltd_layout_done) {
+ spin_unlock(<ds->ltd_lock);
+ lfsck_tgt_put(ltd);
+ break;
+ }
+
+ if (lr->lr_flags & LEF_TO_OST) {
+ if (list_empty(<d->ltd_layout_list))
+ list_add_tail(<d->ltd_layout_list,
+ &llmd->llmd_ost_list);
+ if (list_empty(<d->ltd_layout_phase_list))
+ list_add_tail(<d->ltd_layout_phase_list,
+ &llmd->llmd_ost_phase1_list);
+ } else {
+ if (list_empty(<d->ltd_layout_list))
+ list_add_tail(<d->ltd_layout_list,
+ &llmd->llmd_mdt_list);
+ if (list_empty(<d->ltd_layout_phase_list))
+ list_add_tail(<d->ltd_layout_phase_list,
+ &llmd->llmd_mdt_phase1_list);
+ }
+ spin_unlock(<ds->ltd_lock);
lfsck_tgt_put(ltd);
break;
case LE_STOP:
+ case LE_PHASE1_DONE:
case LE_PHASE2_DONE:
+ if (rc != 0)
+ CERROR("%s: fail to notify %s %x for layout: "
+ "event = %d, rc = %d\n",
+ lfsck_lfsck2name(com->lc_lfsck),
+ (lr->lr_flags & LEF_TO_OST) ? "OST" : "MDT",
+ ltd->ltd_index, lr->lr_event, rc);
break;
- case LE_QUERY:
- spin_lock(<ds->ltd_lock);
- if (rc == 0 && !ltd->ltd_dead && !ltd->ltd_layout_done) {
- struct lfsck_reply *reply;
+ case LE_QUERY: {
+ struct lfsck_reply *reply;
- reply = req_capsule_server_get(&req->rq_pill,
- &RMF_LFSCK_REPLY);
- switch (reply->lr_status) {
- case LS_SCANNING_PHASE1:
+ if (rc != 0) {
+ spin_lock(<ds->ltd_lock);
+ list_del_init(<d->ltd_layout_phase_list);
+ list_del_init(<d->ltd_layout_list);
+ spin_unlock(<ds->ltd_lock);
+ lfsck_tgt_put(ltd);
+ break;
+ }
+
+ reply = req_capsule_server_get(&req->rq_pill,
+ &RMF_LFSCK_REPLY);
+ if (reply == NULL) {
+ rc = -EPROTO;
+ CERROR("%s: invalid return value: rc = %d\n",
+ lfsck_lfsck2name(com->lc_lfsck), rc);
+ spin_lock(<ds->ltd_lock);
+ list_del_init(<d->ltd_layout_phase_list);
+ list_del_init(<d->ltd_layout_list);
+ spin_unlock(<ds->ltd_lock);
+ lfsck_tgt_put(ltd);
+ break;
+ }
+
+ switch (reply->lr_status) {
+ case LS_SCANNING_PHASE1:
+ break;
+ case LS_SCANNING_PHASE2:
+ spin_lock(<ds->ltd_lock);
+ list_del_init(<d->ltd_layout_phase_list);
+ if (ltd->ltd_dead || ltd->ltd_layout_done) {
+ spin_unlock(<ds->ltd_lock);
break;
- case LS_SCANNING_PHASE2:
- list_del(<d->ltd_layout_phase_list);
+ }
+
+ if (lr->lr_flags & LEF_TO_OST)
list_add_tail(<d->ltd_layout_phase_list,
&llmd->llmd_ost_phase2_list);
- break;
- default:
- list_del_init(<d->ltd_layout_phase_list);
- list_del_init(<d->ltd_layout_list);
- break;
- }
+ else
+ list_add_tail(<d->ltd_layout_phase_list,
+ &llmd->llmd_mdt_phase2_list);
+ spin_unlock(<ds->ltd_lock);
+ break;
+ default:
+ spin_lock(<ds->ltd_lock);
+ list_del_init(<d->ltd_layout_phase_list);
+ list_del_init(<d->ltd_layout_list);
+ spin_unlock(<ds->ltd_lock);
+ break;
}
- spin_unlock(<ds->ltd_lock);
lfsck_tgt_put(ltd);
break;
+ }
default:
CERROR("%s: unexpected event: rc = %d\n",
lfsck_lfsck2name(com->lc_lfsck), lr->lr_event);
break;
}
+ lfsck_component_put(env, com);
+
return 0;
}
struct ptlrpc_request_set *set;
struct lfsck_tgt_descs *ltds;
struct lfsck_tgt_desc *ltd;
+ struct list_head *head;
__u32 cnt = 0;
int rc = 0;
int rc1 = 0;
RETURN(-ENOMEM);
llmd->llmd_touch_gen++;
- ltds = &lfsck->li_ost_descs;
memset(lr, 0, sizeof(*lr));
lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
lr->lr_event = LE_QUERY;
lr->lr_active = LT_LAYOUT;
-
laia->laia_com = com;
- laia->laia_ltds = ltds;
laia->laia_lr = lr;
+
+ if (!list_empty(&llmd->llmd_mdt_phase1_list)) {
+ ltds = &lfsck->li_mdt_descs;
+ lr->lr_flags = 0;
+ head = &llmd->llmd_mdt_phase1_list;
+ } else {
+
+again:
+ ltds = &lfsck->li_ost_descs;
+ lr->lr_flags = LEF_TO_OST;
+ head = &llmd->llmd_ost_phase1_list;
+ }
+
+ laia->laia_ltds = ltds;
spin_lock(<ds->ltd_lock);
- while (!list_empty(&llmd->llmd_ost_phase1_list)) {
- ltd = list_entry(llmd->llmd_ost_phase1_list.next,
+ while (!list_empty(head)) {
+ ltd = list_entry(head->next,
struct lfsck_tgt_desc,
ltd_layout_phase_list);
if (ltd->ltd_layout_gen == llmd->llmd_touch_gen)
ltd->ltd_layout_gen = llmd->llmd_touch_gen;
list_del(<d->ltd_layout_phase_list);
- list_add_tail(<d->ltd_layout_phase_list,
- &llmd->llmd_ost_phase1_list);
+ list_add_tail(<d->ltd_layout_phase_list, head);
atomic_inc(<d->ltd_ref);
laia->laia_ltd = ltd;
spin_unlock(<ds->ltd_lock);
lfsck_layout_master_async_interpret,
laia, LFSCK_QUERY);
if (rc != 0) {
- CERROR("%s: fail to query OST %x for layout: rc = %d\n",
- lfsck_lfsck2name(lfsck), ltd->ltd_index, rc);
+ CERROR("%s: fail to query %s %x for layout: rc = %d\n",
+ lfsck_lfsck2name(lfsck),
+ (lr->lr_flags & LEF_TO_OST) ? "OST" : "MDT",
+ ltd->ltd_index, rc);
lfsck_tgt_put(ltd);
rc1 = rc;
} else {
}
spin_unlock(<ds->ltd_lock);
- if (cnt > 0)
+ if (cnt > 0) {
rc = ptlrpc_set_wait(set);
+ if (rc < 0) {
+ ptlrpc_set_destroy(set);
+ RETURN(rc);
+ }
+ cnt = 0;
+ }
+
+ if (!(lr->lr_flags & LEF_TO_OST) &&
+ list_empty(&llmd->llmd_mdt_phase1_list))
+ goto again;
+
ptlrpc_set_destroy(set);
RETURN(rc1 != 0 ? rc1 : rc);
static inline bool
lfsck_layout_master_to_orphan(struct lfsck_layout_master_data *llmd)
{
- return !list_empty(&llmd->llmd_ost_phase2_list) ||
- list_empty(&llmd->llmd_ost_phase1_list);
+ return list_empty(&llmd->llmd_mdt_phase1_list) &&
+ (!list_empty(&llmd->llmd_ost_phase2_list) ||
+ list_empty(&llmd->llmd_ost_phase1_list));
}
static int lfsck_layout_master_notify_others(const struct lu_env *env,
struct lfsck_component *com,
- struct lfsck_request *lr)
+ struct lfsck_request *lr,
+ __u32 flags)
{
struct lfsck_thread_info *info = lfsck_env_info(env);
struct lfsck_async_interpret_args *laia = &info->lti_laia;
struct ptlrpc_request_set *set;
struct lfsck_tgt_descs *ltds;
struct lfsck_tgt_desc *ltd;
+ struct lfsck_tgt_desc *next;
+ struct list_head *head;
__u32 idx;
__u32 cnt = 0;
int rc = 0;
lr->lr_active = LT_LAYOUT;
laia->laia_com = com;
laia->laia_lr = lr;
+ lr->lr_flags = 0;
switch (lr->lr_event) {
case LE_START:
+ /* Notify OSTs firstly, then other MDTs if needed. */
+ lr->lr_flags |= LEF_TO_OST;
ltds = &lfsck->li_ost_descs;
+
+lable1:
laia->laia_ltds = ltds;
down_read(<ds->ltd_rw_sem);
cfs_foreach_bit(ltds->ltd_tgts_bitmap, idx) {
lfsck_layout_master_async_interpret,
laia, LFSCK_NOTIFY);
if (rc != 0) {
- CERROR("%s: fail to notify OST %x for layout "
+ CERROR("%s: fail to notify %s %x for layout "
"start: rc = %d\n",
- lfsck_lfsck2name(lfsck), idx, rc);
+ lfsck_lfsck2name(lfsck),
+ (lr->lr_flags & LEF_TO_OST) ? "OST" :
+ "MDT", idx, rc);
lfsck_tgt_put(ltd);
lo->ll_flags |= LF_INCOMPLETE;
} else {
}
}
up_read(<ds->ltd_rw_sem);
+
+ /* Sync up */
+ if (cnt > 0) {
+ rc = ptlrpc_set_wait(set);
+ if (rc < 0) {
+ ptlrpc_set_destroy(set);
+ RETURN(rc);
+ }
+ cnt = 0;
+ }
+
+ if (!(flags & LPF_ALL_MDT))
+ break;
+
+ ltds = &lfsck->li_mdt_descs;
+ /* The sponsor broadcasts the request to other MDTs. */
+ if (flags & LPF_BROADCAST) {
+ flags &= ~LPF_ALL_MDT;
+ lr->lr_flags &= ~LEF_TO_OST;
+ goto lable1;
+ }
+
+ /* non-sponsors link other MDT targets locallly. */
+ spin_lock(<ds->ltd_lock);
+ cfs_foreach_bit(ltds->ltd_tgts_bitmap, idx) {
+ ltd = LTD_TGT(ltds, idx);
+ LASSERT(ltd != NULL);
+
+ if (!list_empty(<d->ltd_layout_list))
+ continue;
+
+ list_add_tail(<d->ltd_layout_list,
+ &llmd->llmd_mdt_list);
+ list_add_tail(<d->ltd_layout_phase_list,
+ &llmd->llmd_mdt_phase1_list);
+ }
+ spin_unlock(<ds->ltd_lock);
+
break;
case LE_STOP:
+ if (flags & LPF_BROADCAST)
+ lr->lr_flags |= LEF_FORCE_STOP;
case LE_PHASE2_DONE:
+ /* Notify other MDTs if needed, then the OSTs. */
+ if (flags & LPF_ALL_MDT) {
+ /* The sponsor broadcasts the request to other MDTs. */
+ if (flags & LPF_BROADCAST) {
+ lr->lr_flags &= ~LEF_TO_OST;
+ head = &llmd->llmd_mdt_list;
+ ltds = &lfsck->li_mdt_descs;
+ goto lable3;
+ }
+
+ /* non-sponsors unlink other MDT targets locallly. */
+ ltds = &lfsck->li_mdt_descs;
+ spin_lock(<ds->ltd_lock);
+ list_for_each_entry_safe(ltd, next,
+ &llmd->llmd_mdt_list,
+ ltd_layout_list) {
+ list_del_init(<d->ltd_layout_phase_list);
+ list_del_init(<d->ltd_layout_list);
+ }
+ spin_unlock(<ds->ltd_lock);
+ }
+
+lable2:
+ lr->lr_flags |= LEF_TO_OST;
+ head = &llmd->llmd_ost_list;
ltds = &lfsck->li_ost_descs;
+
+lable3:
laia->laia_ltds = ltds;
spin_lock(<ds->ltd_lock);
- while (!list_empty(&llmd->llmd_ost_list)) {
- ltd = list_entry(llmd->llmd_ost_list.next,
- struct lfsck_tgt_desc,
+ while (!list_empty(head)) {
+ ltd = list_entry(head->next, struct lfsck_tgt_desc,
ltd_layout_list);
- list_del_init(<d->ltd_layout_phase_list);
+ if (!list_empty(<d->ltd_layout_phase_list))
+ list_del_init(<d->ltd_layout_phase_list);
list_del_init(<d->ltd_layout_list);
laia->laia_ltd = ltd;
spin_unlock(<ds->ltd_lock);
lfsck_layout_master_async_interpret,
laia, LFSCK_NOTIFY);
if (rc != 0)
- CERROR("%s: fail to notify OST %x for layout "
- "stop/done: rc = %d\n",
+ CERROR("%s: fail to notify %s %x for layout "
+ "stop/phase2: rc = %d\n",
lfsck_lfsck2name(lfsck),
- ltd->ltd_index, rc);
+ (lr->lr_flags & LEF_TO_OST) ? "OST" :
+ "MDT", ltd->ltd_index, rc);
else
cnt++;
spin_lock(<ds->ltd_lock);
}
spin_unlock(<ds->ltd_lock);
- break;
+
+ if (!(flags & LPF_BROADCAST))
+ break;
+
+ /* Sync up */
+ if (cnt > 0) {
+ rc = ptlrpc_set_wait(set);
+ if (rc < 0) {
+ ptlrpc_set_destroy(set);
+ RETURN(rc);
+ }
+ cnt = 0;
+ }
+
+ flags &= ~LPF_BROADCAST;
+ goto lable2;
case LE_PHASE1_DONE:
+ llmd->llmd_touch_gen++;
+ lr->lr_flags &= ~LEF_TO_OST;
+ ltds = &lfsck->li_mdt_descs;
+ laia->laia_ltds = ltds;
+ spin_lock(<ds->ltd_lock);
+ while (!list_empty(&llmd->llmd_mdt_phase1_list)) {
+ ltd = list_entry(llmd->llmd_mdt_phase1_list.next,
+ struct lfsck_tgt_desc,
+ ltd_layout_phase_list);
+ if (ltd->ltd_layout_gen == llmd->llmd_touch_gen)
+ break;
+
+ ltd->ltd_layout_gen = llmd->llmd_touch_gen;
+ list_del_init(<d->ltd_layout_phase_list);
+ list_add_tail(<d->ltd_layout_phase_list,
+ &llmd->llmd_mdt_phase1_list);
+ laia->laia_ltd = ltd;
+ spin_unlock(<ds->ltd_lock);
+ rc = lfsck_async_request(env, ltd->ltd_exp, lr, set,
+ lfsck_layout_master_async_interpret,
+ laia, LFSCK_NOTIFY);
+ if (rc != 0)
+ CERROR("%s: fail to notify MDT %x for layout "
+ "phase1 done: rc = %d\n",
+ lfsck_lfsck2name(lfsck),
+ ltd->ltd_index, rc);
+ else
+ cnt++;
+ spin_lock(<ds->ltd_lock);
+ }
+ spin_unlock(<ds->ltd_lock);
break;
default:
CERROR("%s: unexpected LFSCK event: rc = %d\n",
struct l_wait_info lwi = { 0 };
int rc = 0;
int rc1 = 0;
+ __u32 flags;
ENTRY;
+ if (lta->lta_lsp->lsp_start != NULL)
+ flags = lta->lta_lsp->lsp_start->ls_flags;
+ else
+ flags = bk->lb_param;
memset(lr, 0, sizeof(*lr));
lr->lr_event = LE_START;
lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
if (pos->lp_oit_cookie <= 1)
lr->lr_param |= LPF_RESET;
- rc = lfsck_layout_master_notify_others(env, com, lr);
+ rc = lfsck_layout_master_notify_others(env, com, lr, flags);
if (rc != 0) {
CERROR("%s: fail to notify others for layout start: rc = %d\n",
lfsck_lfsck2name(lfsck), rc);
lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
lr->lr_event = LE_PHASE1_DONE;
lr->lr_status = llmd->llmd_post_result;
- rc = lfsck_layout_master_notify_others(env, com, lr);
+ rc = lfsck_layout_master_notify_others(env, com, lr, 0);
if (rc != 0)
CERROR("%s: failed to notify others "
"for layout post: rc = %d\n",
lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
if (rc > 0) {
lr->lr_event = LE_PHASE2_DONE;
+ flags = 0;
lr->lr_status = rc;
} else if (rc == 0) {
lr->lr_event = LE_STOP;
if (lfsck->li_status == LS_PAUSED ||
- lfsck->li_status == LS_CO_PAUSED)
+ lfsck->li_status == LS_CO_PAUSED) {
+ flags = 0;
lr->lr_status = LS_CO_PAUSED;
- else if (lfsck->li_status == LS_STOPPED ||
- lfsck->li_status == LS_CO_STOPPED)
- lr->lr_status = LS_CO_STOPPED;
- else
+ } else if (lfsck->li_status == LS_STOPPED ||
+ lfsck->li_status == LS_CO_STOPPED) {
+ flags = lfsck->li_flags;
+ if (flags & LPF_BROADCAST)
+ lr->lr_status = LS_STOPPED;
+ else
+ lr->lr_status = LS_CO_STOPPED;
+ } else {
LBUG();
+ }
} else {
lr->lr_event = LE_STOP;
+ flags = 0;
lr->lr_status = LS_CO_FAILED;
}
- rc1 = lfsck_layout_master_notify_others(env, com, lr);
+ rc1 = lfsck_layout_master_notify_others(env, com, lr, flags);
if (rc1 != 0) {
CERROR("%s: failed to notify others for layout quit: rc = %d\n",
lfsck_lfsck2name(lfsck), rc1);
memset(lr, 0, sizeof(*lr));
lr->lr_event = event;
+ lr->lr_flags = LEF_FROM_OST;
lr->lr_status = result;
lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
lr->lr_active = LT_LAYOUT;
ltd_layout_list) {
list_del_init(<d->ltd_layout_list);
}
+ list_for_each_entry_safe(ltd, next, &llmd->llmd_mdt_phase1_list,
+ ltd_layout_phase_list) {
+ list_del_init(<d->ltd_layout_phase_list);
+ }
+ list_for_each_entry_safe(ltd, next, &llmd->llmd_mdt_phase2_list,
+ ltd_layout_phase_list) {
+ list_del_init(<d->ltd_layout_phase_list);
+ }
+ list_for_each_entry_safe(ltd, next, &llmd->llmd_mdt_list,
+ ltd_layout_list) {
+ list_del_init(<d->ltd_layout_list);
+ }
spin_unlock(<ds->ltd_lock);
OBD_FREE_PTR(llmd);
struct lfsck_tgt_desc *ltd;
ENTRY;
- if (lr->lr_event != LE_PHASE1_DONE)
+ if (lr->lr_event != LE_PHASE1_DONE &&
+ lr->lr_event != LE_PHASE2_DONE &&
+ lr->lr_event != LE_STOP)
RETURN(-EINVAL);
- ltds = &lfsck->li_ost_descs;
+ if (lr->lr_flags & LEF_FROM_OST)
+ ltds = &lfsck->li_ost_descs;
+ else
+ ltds = &lfsck->li_mdt_descs;
spin_lock(<ds->ltd_lock);
ltd = LTD_TGT(ltds, lr->lr_index);
if (ltd == NULL) {
}
list_del_init(<d->ltd_layout_phase_list);
- if (lr->lr_status > 0) {
- if (list_empty(<d->ltd_layout_list))
- list_add_tail(<d->ltd_layout_list,
- &llmd->llmd_ost_list);
- list_add_tail(<d->ltd_layout_phase_list,
- &llmd->llmd_ost_phase2_list);
- } else {
+ switch (lr->lr_event) {
+ case LE_PHASE1_DONE:
+ if (lr->lr_status <= 0) {
+ ltd->ltd_layout_done = 1;
+ list_del_init(<d->ltd_layout_list);
+ lo->ll_flags |= LF_INCOMPLETE;
+ break;
+ }
+
+ if (lr->lr_flags & LEF_FROM_OST) {
+ if (list_empty(<d->ltd_layout_list))
+ list_add_tail(<d->ltd_layout_list,
+ &llmd->llmd_ost_list);
+ list_add_tail(<d->ltd_layout_phase_list,
+ &llmd->llmd_ost_phase2_list);
+ } else {
+ if (list_empty(<d->ltd_layout_list))
+ list_add_tail(<d->ltd_layout_list,
+ &llmd->llmd_mdt_list);
+ list_add_tail(<d->ltd_layout_phase_list,
+ &llmd->llmd_mdt_phase2_list);
+ }
+ break;
+ case LE_PHASE2_DONE:
ltd->ltd_layout_done = 1;
list_del_init(<d->ltd_layout_list);
- lo->ll_flags |= LF_INCOMPLETE;
+ break;
+ case LE_STOP:
+ ltd->ltd_layout_done = 1;
+ list_del_init(<d->ltd_layout_list);
+ if (!(lr->lr_flags & LEF_FORCE_STOP))
+ lo->ll_flags |= LF_INCOMPLETE;
+ break;
+ default:
+ break;
}
spin_unlock(<ds->ltd_lock);
- if (lfsck_layout_master_to_orphan(llmd))
+ if (lr->lr_flags & LEF_FORCE_STOP) {
+ struct lfsck_stop *stop = &lfsck_env_info(env)->lti_stop;
+
+ memset(stop, 0, sizeof(*stop));
+ stop->ls_status = lr->lr_status;
+ stop->ls_flags = lr->lr_param;
+ lfsck_stop(env, lfsck->li_bottom, stop);
+ } else if (lfsck_layout_master_to_orphan(llmd)) {
wake_up_all(&llmd->llmd_thread.t_ctl_waitq);
+ }
RETURN(0);
}
lr->lr_index = lfsck_dev_idx(lfsck->li_bottom);
lr->lr_event = LE_STOP;
lr->lr_active = LT_LAYOUT;
+ if (ltds == &lfsck->li_ost_descs) {
+ lr->lr_flags = LEF_TO_OST;
+ } else {
+ if (ltd->ltd_index == lfsck_dev_idx(lfsck->li_bottom))
+ return 0;
+
+ lr->lr_flags = 0;
+ }
lr->lr_status = LS_CO_STOPPED;
laia->laia_com = com;
lfsck_layout_master_async_interpret,
laia, LFSCK_NOTIFY);
if (rc != 0)
- CERROR("%s: Fail to notify OST %x for stop: rc = %d\n",
- lfsck_lfsck2name(lfsck), ltd->ltd_index, rc);
+ CERROR("%s: Fail to notify %s %x for co-stop: rc = %d\n",
+ lfsck_lfsck2name(lfsck),
+ (lr->lr_flags & LEF_TO_OST) ? "OST" : "MDT",
+ ltd->ltd_index, rc);
return rc;
}
+/* with lfsck::li_lock held */
+static int lfsck_layout_slave_join(const struct lu_env *env,
+ struct lfsck_component *com,
+ struct lfsck_start_param *lsp)
+{
+ struct lfsck_instance *lfsck = com->lc_lfsck;
+ struct lfsck_layout_slave_data *llsd = com->lc_data;
+ struct lfsck_layout_slave_target *llst;
+ struct lfsck_start *start = lsp->lsp_start;
+ int rc = 0;
+ ENTRY;
+
+ if (!lsp->lsp_index_valid || start == NULL ||
+ !(start->ls_flags & LPF_ALL_MDT))
+ RETURN(-EALREADY);
+
+ spin_unlock(&lfsck->li_lock);
+ rc = lfsck_layout_llst_add(llsd, lsp->lsp_index);
+ spin_lock(&lfsck->li_lock);
+ if (rc == 0 && !thread_is_running(&lfsck->li_thread)) {
+ spin_unlock(&lfsck->li_lock);
+ llst = lfsck_layout_llst_find_and_del(llsd, lsp->lsp_index);
+ if (llst != NULL)
+ lfsck_layout_llst_put(llst);
+ spin_lock(&lfsck->li_lock);
+ rc = -EAGAIN;
+ }
+
+ RETURN(rc);
+}
+
static struct lfsck_operations lfsck_layout_master_ops = {
.lfsck_reset = lfsck_layout_reset,
.lfsck_fail = lfsck_layout_fail,
.lfsck_data_release = lfsck_layout_slave_data_release,
.lfsck_in_notify = lfsck_layout_slave_in_notify,
.lfsck_query = lfsck_layout_query,
+ .lfsck_join = lfsck_layout_slave_join,
};
int lfsck_layout_setup(const struct lu_env *env, struct lfsck_instance *lfsck)
GOTO(out, rc = -ENOMEM);
INIT_LIST_HEAD(&llmd->llmd_req_list);
+ spin_lock_init(&llmd->llmd_lock);
INIT_LIST_HEAD(&llmd->llmd_ost_list);
INIT_LIST_HEAD(&llmd->llmd_ost_phase1_list);
INIT_LIST_HEAD(&llmd->llmd_ost_phase2_list);
- spin_lock_init(&llmd->llmd_lock);
+ INIT_LIST_HEAD(&llmd->llmd_mdt_list);
+ INIT_LIST_HEAD(&llmd->llmd_mdt_phase1_list);
+ INIT_LIST_HEAD(&llmd->llmd_mdt_phase2_list);
init_waitqueue_head(&llmd->llmd_thread.t_ctl_waitq);
atomic_set(&llmd->llmd_rpcs_in_flight, 0);
com->lc_data = llmd;
git://git.whamcloud.com / fs / lustre-release.git / commitdiff