Merge PR #15183 into master

* refs/pull/15183/head:
	kv/rocksdb: support rmrange unconditionally
	cls/rgw: rgw_bi_log_trim() uses cls_cxx_map_remove_range()
	cls/log: cls_log_trim() uses cls_cxx_map_remove_range()
	test/cls: add cls_log.trim_by_marker test
	test/cls: test_cls_log doesn't allocate ObjectOperations
	test/cls: test_cls_log uses fixture for temporary pool
	test/cls: add cls_rgw.bi_log_trim test
	cls/rgw: expose cls_rgw_bilog_list/trim() for single shard
	test/cls: test_cls_rgw uses cls_rgw_obj_key
	test/cls: test_cls_rgw doesn't allocate ObjectOperations
	test/cls: test_cls_rgw uses fixture for temporary pool
	objclass: add cls_cxx_map_remove_range()
	librados: add rados_write_op_omap_rm_range2()
	osdc: add Objecter omap_rm_range()
	osd: add CEPH_OSD_OP_OMAPRMKEYRANGE to do_osd_ops()
	osd: add omap_rmkeyrange() to PGTransaction
	os: add bufferlist overload for omap_rmkeyrange()
	tracing: add do_osd_op_pre_omaprmkeyrange
	rados: add CEPH_OSD_OP_OMAPRMKEYRANGE

Reviewed-by: Sage Weil <sage@redhat.com>

diff --cc src/cls/rgw/cls_rgw.cc
Simple merge

diff --cc src/cls/rgw/cls_rgw_client.cc
Simple merge

diff --cc src/cls/rgw/cls_rgw_client.h
Simple merge

diff --cc src/common/legacy_config_opts.h
Simple merge

diff --cc src/common/options.cc
Simple merge

diff --cc src/kv/RocksDBStore.cc
Simple merge

diff --cc src/kv/RocksDBStore.h
Simple merge

diff --cc src/librados/librados_c.cc
Simple merge

diff --cc src/objclass/class_api.cc
Simple merge

diff --cc src/objclass/objclass.h
Simple merge

diff --cc src/osd/PrimaryLogPG.cc
Simple merge

diff --cc src/osd/ReplicatedBackend.cc
Simple merge

diff --cc src/osdc/Objecter.h
Simple merge