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False positives for buf_page_t::ibuf_exist are acceptable, because it does not hurt to unnecessarily invoke ibuf_merge_or_delete_for_page(). Invoking buf_page_get_gen() in a read completion function is a definite no-no, because it could trigger a page flush or cause the server to run out of buffer pool. With some MDEV-23855 changes present, the test innodb.purge_secondary occasionally failed due to the table having been dropped while ibuf_page_exists() invoked buf_page_get_gen(). Reviewed by: Thirunarayanan Balathandayuthapani |
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| .. | ||
| buf0buddy.cc | ||
| buf0buf.cc | ||
| buf0checksum.cc | ||
| buf0dblwr.cc | ||
| buf0dump.cc | ||
| buf0flu.cc | ||
| buf0lru.cc | ||
| buf0rea.cc | ||