forked from vitalif/vitastor
Fix another stall due to bad unstable_writes tracking, do not try to write beyond the end of the journal
parent
2630e2e3b9
commit
35a6ed728d
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@ -114,7 +114,7 @@ void blockstore::loop()
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auto op_ptr = cur;
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auto op = *(cur++);
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// FIXME: This needs some simplification
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// Writes should not block reads if the ring is not null and if reads don't depend on them
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// Writes should not block reads if the ring is not full and if reads don't depend on them
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// In all other cases we should stop submission
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if (op->wait_for)
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{
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@ -58,7 +58,7 @@ void journal_flusher_t::loop()
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}
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}
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void journal_flusher_t::queue_flush(obj_ver_id ov)
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void journal_flusher_t::enqueue_flush(obj_ver_id ov)
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{
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auto it = flush_versions.find(ov.oid);
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if (it != flush_versions.end())
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@ -70,6 +70,6 @@ public:
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~journal_flusher_t();
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void loop();
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bool is_active();
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void queue_flush(obj_ver_id oid);
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void enqueue_flush(obj_ver_id oid);
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void unshift_flush(obj_ver_id oid);
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};
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@ -86,7 +86,7 @@ void blockstore_init_meta::handle_entries(struct clean_disk_entry* entries, int
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{
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auto clean_it = bs->clean_db.find(entries[i].oid);
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#ifdef BLOCKSTORE_DEBUG
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printf("Clean entry %lu: %lu:%lu v%lu\n", done_cnt+i, entries[i].oid.inode, entries[i].oid.stripe, entries[i].version);
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printf("Clean entry %u: %lu:%lu v%lu\n", done_cnt+i, entries[i].oid.inode, entries[i].oid.stripe, entries[i].version);
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#endif
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if (clean_it == bs->clean_db.end() || clean_it->second.version < entries[i].version)
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{
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@ -359,8 +359,11 @@ int blockstore_init_journal::handle_journal_part(void *buf, uint64_t len)
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.journal_sector = proc_pos,
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});
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bs->journal.used_sectors[proc_pos]++;
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#ifdef BLOCKSTORE_DEBUG
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printf("journal offset %lu is used by %lu:%lu v%lu\n", proc_pos, ov.oid.inode, ov.oid.stripe, ov.version);
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#endif
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auto & unstab = bs->unstable_writes[ov.oid];
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unstab = !unstab || unstab > ov.version ? ov.version : unstab;
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unstab = unstab < ov.version ? ov.version : unstab;
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}
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else if (je->type == JE_BIG_WRITE)
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{
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@ -380,7 +383,7 @@ int blockstore_init_journal::handle_journal_part(void *buf, uint64_t len)
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});
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bs->journal.used_sectors[proc_pos]++;
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auto & unstab = bs->unstable_writes[ov.oid];
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unstab = !unstab || unstab > ov.version ? ov.version : unstab;
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unstab = unstab < ov.version ? ov.version : unstab;
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}
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else if (je->type == JE_STABLE)
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{
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@ -410,7 +413,7 @@ int blockstore_init_journal::handle_journal_part(void *buf, uint64_t len)
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if (it->first.oid != ov.oid || IS_STABLE(it->second.state))
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break;
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}
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bs->flusher->queue_flush(ov);
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bs->flusher->enqueue_flush(ov);
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}
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auto unstab_it = bs->unstable_writes.find(ov.oid);
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if (unstab_it != bs->unstable_writes.end() && unstab_it->second <= ov.version)
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@ -171,7 +171,7 @@ void blockstore::handle_stable_event(ring_data_t *data, blockstore_operation *op
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#ifdef BLOCKSTORE_DEBUG
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printf("enqueue_flush %lu:%lu v%lu\n", v->oid.inode, v->oid.stripe, v->version);
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#endif
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flusher->queue_flush(*v);
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flusher->enqueue_flush(*v);
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}
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}
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// Acknowledge op
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@ -146,6 +146,8 @@ int blockstore::dequeue_write(blockstore_operation *op)
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dirty_it->second.location = journal.next_free;
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dirty_it->second.state = ST_J_SUBMITTED;
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journal.next_free += op->len;
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if (journal.next_free >= journal.len)
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journal.next_free = 512;
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op->pending_ops = 2;
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// Remember small write as unsynced
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unsynced_small_writes.push_back((obj_ver_id){
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