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Add a test with fsync

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This commit is contained in:
Vitaliy Filippov
2025-12-02 01:52:12 +03:00
parent 7f4c541a6f
commit 57d2f30303
10 changed files with 358 additions and 136 deletions
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src/test/ringloop_mock.cpp
+14 -2
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@@ -229,8 +229,18 @@ void disk_mock_t::erase_buffers(uint64_t begin, uint64_t end)
}
}
void disk_mock_t::clear(size_t offset, size_t len)
{
if (offset < size)
{
memset(data+offset, 0, len < size-offset ? len : size-offset);
}
}
void disk_mock_t::discard_buffers(bool all, uint32_t seed)
{
if (trace)
printf("disk: discard buffers all=%d seed=%u\n", all, seed);
if (all)
{
for (auto & b: buffers)
@@ -267,7 +277,7 @@ ssize_t disk_mock_t::copy_from_sqe(io_uring_sqe *sqe, uint8_t *to, uint64_t base
}
size_t cur = (off + v[i].iov_len > size ? size-off : v[i].iov_len);
if (trace)
printf("write %zu+%zu from %jx\n", off, cur, (uint64_t)v[i].iov_base);
printf("disk: write %zu+%zu from %jx\n", off, cur, (uint64_t)v[i].iov_base);
memcpy(to + off - base_offset, v[i].iov_base, cur);
off += v[i].iov_len;
}
@@ -320,7 +330,7 @@ bool disk_mock_t::submit(io_uring_sqe *sqe)
{
size_t cur = (off + v[i].iov_len > size ? size-off : v[i].iov_len);
if (trace)
printf("read %zu+%zu to %jx\n", off, cur, (uint64_t)v[i].iov_base);
printf("disk: read %zu+%zu to %jx\n", off, cur, (uint64_t)v[i].iov_base);
if (buffers.size())
read_item((uint8_t*)v[i].iov_base, off, cur);
else
@@ -361,6 +371,8 @@ bool disk_mock_t::submit(io_uring_sqe *sqe)
}
else if (sqe->opcode == IORING_OP_FSYNC)
{
if (trace)
printf("disk: fsync\n");
if (buffers.size())
{
for (auto & b: buffers)