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check I/O buffer size and alignment in InnoDB
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@kevgs
kevgs committed Dec 19, 2019
1 parent 44be865 commit 305081a
Showing 1 changed file with 5 additions and 0 deletions.
5 storage/innobase/os/os0file.cc
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@@ -4174,6 +4174,11 @@ os_aio_func(
cb->m_opcode = type.is_read() ? tpool::aio_opcode::AIO_PREAD : tpool::aio_opcode::AIO_PWRITE;
memcpy(cb->m_userdata, &userdata, sizeof(userdata));

ut_a(reinterpret_cast<size_t>(cb->m_buffer) % OS_FILE_LOG_BLOCK_SIZE
== 0);
ut_a(cb->m_len % OS_FILE_LOG_BLOCK_SIZE == 0);
ut_a(cb->m_offset % OS_FILE_LOG_BLOCK_SIZE == 0);

if (!srv_thread_pool->submit_io(cb))
return DB_SUCCESS;

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