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Add a test for parallel reads with block checksums

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This commit is contained in:
Vitaliy Filippov
2025-11-23 19:08:23 +03:00
parent 4b95fe4919
commit 2282ed0345
6 changed files with 125 additions and 27 deletions
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src/blockstore/blockstore_read.cpp
+18 -11
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@@ -54,17 +54,7 @@ int blockstore_impl_t::dequeue_read(blockstore_op_t *op)
{
// Need to wait. undo added requests, unlock lsn
heap->unlock_entry(op->oid, PRIV(op)->lsn);
if (dsk.csum_block_size > dsk.bitmap_granularity)
{
for (auto & vec: rv)
{
if (!(vec.copy_flags & COPY_BUF_COALESCED) && vec.buf)
{
free(vec.buf);
vec.buf = NULL;
}
}
}
free_read_buffers(rv);
rv.clear();
return 0;
}
@@ -73,6 +63,7 @@ int blockstore_impl_t::dequeue_read(blockstore_op_t *op)
{
// everything is fulfilled from memory
op->retval = op->len;
free_read_buffers(rv);
FINISH_OP(op);
return 2;
}
@@ -305,6 +296,21 @@ void blockstore_impl_t::find_holes(std::vector<copy_buffer_t> & read_vec,
}
}
void blockstore_impl_t::free_read_buffers(std::vector<copy_buffer_t> & rv)
{
if (dsk.csum_block_size > dsk.bitmap_granularity)
{
for (auto & vec: rv)
{
if (!(vec.copy_flags & COPY_BUF_COALESCED) && vec.buf)
{
free(vec.buf);
vec.buf = NULL;
}
}
}
}
void blockstore_impl_t::handle_read_event(ring_data_t *data, blockstore_op_t *op)
{
live = true;
@@ -322,6 +328,7 @@ void blockstore_impl_t::handle_read_event(ring_data_t *data, blockstore_op_t *op
else if (op->retval == 0)
op->retval = op->len;
heap->unlock_entry(op->oid, PRIV(op)->lsn);
free_read_buffers(PRIV(op)->read_vec);
FINISH_OP(op);
}
}