main
doc/dev/crimson: Add BalanceCPUCrimson with clarifications as per conversation/review
doc/dev/crimson: update index
doc/dev/crimson: Add initial BackfillMachine docs
doc: Fix many spelling errors
crimson/os/seastore: set backend type explicitly
doc/dev/crimson: Add explanation for PG merging
doc/dev/crimson/pipeline.rst: simplify and update to reflect new stages
doc/crimson/seastore: make code snippets in a text block
doc/dev/crimson/seastore: Update SeaStore docs
doc: fix Sphinx complaints and some rendering errors
doc/dev/crimson: add design the document for LogicalBucketCache
