81747f1be6
Summary: * Change constructor of MutableCFOptions to depends only on ColumnFamilyOptions. * Move `max_subcompactions`, `compaction_options_fifo` and `compaction_pri` to ImmutableCFOptions to make it clear that they are immutable. Test Plan: existing unit tests. Reviewers: yhchiang, IslamAbdelRahman, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D63945