Levi Tamasi bc51e33d9c Make sure (Shared)BlobFileMetaData are owned by shared_ptrs (#6749) ... Summary: The patch makes a couple of small cleanups to `SharedBlobFileMetaData` and `BlobFileMetaData`: * It makes the constructors private and introduces factory methods to ensure these objects are always owned by `shared_ptr`s. Note that `SharedBlobFileMetaData` has an additional factory that takes a deleter object; we can utilize this to e.g. notify `VersionSet` when a blob file becomes obsolete (which is exactly when `SharedBlobFileMetaData` is destroyed). * It disables move operations explicitly instead of relying on them being suppressed because of a user-declared destructor. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6749 Test Plan: `make check` Reviewed By: riversand963 Differential Revision: D21206947 Pulled By: ltamasi fbshipit-source-id: 9094c14cc335b3e226f883e5a0df4f87a5cdeb95		2020-04-23 13:44:29 -07:00
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blob_constants.h
blob_file_addition.cc
blob_file_addition.h
blob_file_addition_test.cc
blob_file_garbage.cc
blob_file_garbage.h
blob_file_garbage_test.cc
blob_file_meta.cc
blob_file_meta.h
blob_index.h
db_blob_index_test.cc