bcachefs: Fix locking in __bch2_set_nr_journal_buckets()

We weren't holding mark_lock correctly - it's needed for the new_fs
path.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2021-05-16 23:46:08 -04:00 • committed by Kent Overstreet
commit 6ebe32b94c