Merge PR #32806 into master

* refs/pull/32806/head:
	common/bl: fix accessibility of bptr's _off and _len fields.
	common/bl: drop get_raw() from the public buffer::ptr interface.
	common: drop sharing of buffer::raw outside bufferlist.

Reviewed-by: Kefu Chai <kchai@redhat.com>

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

diff --cc src/include/buffer.h
Simple merge

diff --cc src/test/bufferlist.cc
Simple merge