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Implement even more simplified big_intent writes

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This commit is contained in:
Vitaliy Filippov
2025-12-02 01:52:12 +03:00
parent 7b40561141
commit 1852caaeec
8 changed files with 222 additions and 68 deletions
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src/blockstore/blockstore_write.cpp
+21 -7
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@@ -197,15 +197,29 @@ int blockstore_impl_t::dequeue_write(blockstore_op_t *op)
{
// Direct intent-write
BS_SUBMIT_CHECK_SQES(1);
auto wr = obj;
while (wr && (wr->type() == BS_HEAP_INTENT_WRITE || wr->type() == BS_HEAP_COMMIT || wr->type() == BS_HEAP_ROLLBACK))
int res = 0;
if (dsk.csum_block_size <= dsk.bitmap_granularity &&
(obj->entry_type == (BS_HEAP_BIG_INTENT|BS_HEAP_STABLE) ||
obj->entry_type == (BS_HEAP_BIG_WRITE|BS_HEAP_STABLE)))
{
wr = heap->prev(wr);
// Even more simplified BIG_INTENT writes
// FIXME: Support RMW mode for csum_block_size > bitmap_granularity
PRIV(op)->location = obj->big_location(heap);
res = heap->add_big_intent(op->oid, obj, op->version, op->offset, op->len, op->bitmap,
(uint8_t*)op->buf, NULL, &PRIV(op)->modified_block);
}
else
{
auto wr = obj;
while (wr && (wr->type() == BS_HEAP_INTENT_WRITE || wr->type() == BS_HEAP_COMMIT || wr->type() == BS_HEAP_ROLLBACK))
{
wr = heap->prev(wr);
}
assert(wr && (wr->type() == BS_HEAP_BIG_WRITE || wr->type() == BS_HEAP_BIG_INTENT));
PRIV(op)->location = wr->big_location(heap);
res = heap->add_small_write(op->oid, obj, (BS_HEAP_INTENT_WRITE | (op->opcode == BS_OP_WRITE_STABLE ? BS_HEAP_STABLE : 0)),
op->version, op->offset, op->len, 0, op->bitmap, (uint8_t*)op->buf, &PRIV(op)->modified_block);
}
assert(wr && wr->type() == BS_HEAP_BIG_WRITE);
PRIV(op)->location = wr->big_location(heap);
int res = heap->add_small_write(op->oid, obj, (BS_HEAP_INTENT_WRITE | (op->opcode == BS_OP_WRITE_STABLE ? BS_HEAP_STABLE : 0)),
op->version, op->offset, op->len, 0, op->bitmap, (uint8_t*)op->buf, &PRIV(op)->modified_block);
if (res == EAGAIN)
{
assert(heap->get_inflight_queue_size());