bcachefs: Fix missing write refs in fs fio paths

bch2_journal_flush_seq requires us to have a write ref

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-04-13 00:26:01 -04:00
commit 9e203c43dc
3 changed files with 23 additions and 14 deletions