1e87f2b68b
Summary: This is to prevent bg flush thread from unrefing and deleting the cfd that has been dropped by a concurrent thread. Before RocksDB calls `DBImpl::WaitForFlushMemTables`, we should increase the refcount of each `ColumnFamilyData` so that its ref count will not drop to 0 even if the column family is dropped by another thread. Otherwise the bg flush thread can deref the cfd and deletes it, causing a segfault in `WaitForFlushMemtables` upon accessing `cfd`. Test plan (on devserver): ``` $make clean && COMPILE_WITH_ASAN=1 make -j32 $make check ``` All unit tests must pass. Pull Request resolved: https://github.com/facebook/rocksdb/pull/5513 Differential Revision: D16062898 Pulled By: riversand963 fbshipit-source-id: 37dc511f1dc99f036d0201bbd7f0a8f5677c763d |
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| .. | ||
| db_impl_compaction_flush.cc | ||
| db_impl_debug.cc | ||
| db_impl_experimental.cc | ||
| db_impl_files.cc | ||
| db_impl_open.cc | ||
| db_impl_readonly.cc | ||
| db_impl_readonly.h | ||
| db_impl_secondary.cc | ||
| db_impl_secondary.h | ||
| db_impl_write.cc | ||
| db_impl.cc | ||
| db_impl.h | ||
| db_secondary_test.cc | ||