Fixes in ./docs/radosgw/config.rst

osd: only calculate op crush mapping if we don't have the PG

Reviewed-by: Haomai Wang <haomai@xsky.com>
Reviewed-by: Zhiqiang Wang <zhiqiang@xsky.com>

93f760c Merge pull request ceph#40 from ivancich/wip-change-client-rec-init
824d92d Merge pull request ceph#38 from ivancich/wip-improve-next-request-return
941d1be Change initialization of IndIntruHeapData to C++'s value-initialization to better future-proof the code. Since at the momeent they are scalars they'll be zero-initialized (i.e., to zero). However if they ever become something more complex, their default constructors will be called.
19153d9 Merge pull request ceph#39 from ivancich/wip-delta-rho-plugin
a94c4e0 Allow the calculations of rho and delta to be handled by a "tracker" specified via template parameter (i.e., by static polymorphism). The tracker follows a simple interface constisting of three functions and one static function.
856a26c Clarify code surrounding the return value of do_next_request.
b632cfd Merge pull request ceph#37 from ivancich/wip-fix-uninit-data
e6df585 The coverity scan published in ceph-devel on 2017-09-21 revealed some uninitialized data in a constructor. This fixes that.
165a025 Merge pull request ceph#34 from TaewoongKim/anticipate
72e4df9 Make anticipation_timeout configurable with config file
2f06d63 Add anticipation duration that keeps from resetting tag values to the current time

git-subtree-dir: src/dmclock
git-subtree-split: 93f760c

mgr/dashboard_v2: Add hosts page

rgw/sfs: undelete objects implementation.

s3tests: send raw http requests to test redirects

cephadm: fix bootstrap with --enable-storage-insights set

Merge in STORAGEENG/ceph from OBJGEN1-1107-v18.2.1-handoff-anonymous-auth to aka_version_18.2.1

* commit '1fc3db2defec2ca1d222acbb72d9294aada146e4':
  Set skip_timestamp_validation for presigned URL requests.
  Add stubs for an upcoming gen2 feature.
  Add simple unit tests for anonymous gRPC callout.
  Add runtime configuration.
  WIP working anonymous authz.
  Deal with protobuf field rename.
  WIP: Wire in the S3 Anonymous engine.
  Updated authenticator.proto from endpoint.
  Add a handoff_helper shared_ptr to req_state.
  Add HandoffHelper to RGWProcessEnv. Config1. Fixes.
  Remove ANONYMOUS from HandoffAuthResult.
  Remove unused headers and an unused macro.
  Remove unused configuration parameters.
  Unused #include (thanks clangd)
  Remove unnecessary std::once initialisation of map.
  Remove unnecessary move-assign use.
  Remove HTTP-mode. Minor FMT_STRING conversions.

Clarify code surrounding the return value of do_next_request