bcachefs: Use journal preres for deferred btree updates

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2019-02-19 17:56:21 -05:00 • committed by Kent Overstreet
commit 3e5d6c59be
4 changed files with 77 additions and 15 deletions