bcachefs: add functionality for heaps to update backpointers

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2018-10-21 16:32:51 -04:00 • committed by Kent Overstreet
commit 198d67006b
6 changed files with 59 additions and 42 deletions