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Allow to read specific versions

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This commit is contained in:
Vitaliy Filippov
2019-11-10 13:26:56 +03:00
parent 2d0334f9b9
commit e5caffb6ac
3 changed files with 8 additions and 11 deletions
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blockstore_read.cpp
+1 -2
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@@ -71,7 +71,6 @@ int blockstore::fulfill_read(blockstore_operation *read_op, uint32_t item_start,
int blockstore::dequeue_read(blockstore_operation *read_op)
{
// FIXME: allow to read specific version
auto clean_it = object_db.find(read_op->oid);
auto dirty_it = dirty_db.upper_bound((obj_ver_id){
.oid = read_op->oid,
@@ -94,7 +93,7 @@ int blockstore::dequeue_read(blockstore_operation *read_op)
while (dirty_it->first.oid == read_op->oid)
{
dirty_entry& dirty = dirty_it->second;
if ((read_op->flags & OP_TYPE_MASK) == OP_READ_DIRTY || IS_STABLE(dirty.state))
if (IS_STABLE(dirty.state) || read_op->version >= dirty_it->first.version)
{
if (!fulfill_read(read_op, dirty.offset, dirty.offset + dirty.size,
dirty.state, dirty_it->first.version, dirty.location))