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Allow to set write/delete version explicitly

blocking-uring-test
Vitaliy Filippov 2019-12-19 19:17:54 +03:00
parent d3d21e6e0f
commit e8f7905e08
1 changed files with 14 additions and 3 deletions
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17
blockstore_write.cpp
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@ -4,6 +4,7 @@ void blockstore_impl_t::enqueue_write(blockstore_op_t *op)
{
// Check or assign version number
bool found = false, deleted = false, is_del = (op->opcode & BS_OP_TYPE_MASK) == BS_OP_DELETE;
uint64_t version = 1;
if (dirty_db.size() > 0)
{
auto dirty_it = dirty_db.upper_bound((obj_ver_id){
@ -14,7 +15,7 @@ void blockstore_impl_t::enqueue_write(blockstore_op_t *op)
if (dirty_it != dirty_db.end() && dirty_it->first.oid == op->oid)
{
found = true;
op->version = dirty_it->first.version + 1;
version = dirty_it->first.version + 1;
deleted = IS_DELETE(dirty_it->second.state);
}
}
@ -23,14 +24,24 @@ void blockstore_impl_t::enqueue_write(blockstore_op_t *op)
auto clean_it = clean_db.find(op->oid);
if (clean_it != clean_db.end())
{
op->version = clean_it->second.version + 1;
version = clean_it->second.version + 1;
}
else
{
deleted = true;
op->version = 1;
}
}
if (op->version == 0)
{
op->version = version;
}
else if (op->version < version)
{
// Invalid version requested
op->retval = -EINVAL;
FINISH_OP(op);
return;
}
if (deleted && is_del)
{
// Already deleted