Merge PR #26939 into master

Merge PR #26939 into master

* refs/pull/26939/head:
	os/bluestore: unconditionally cap chunks returned by allocator to 2^31
	os/bluestore: start using 64-bit intervals for bitmap allocator
	os/bluestore: make bluestore interval base template.
	tests/fastbmap_alloc: UT to reproduce 4G allocation bug
	os/bluestore: os/bluestore: implement dump for bitmap allocator
	os/bluestore be more tolerant to lack of space for bluefs.

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