bcachefs: Only allocate buckets_nouse when requested

It's only needed by the migrate tool - this patch adds an option to
enable allocating it.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2022-02-14 01:42:31 -05:00 • committed by Kent Overstreet
commit 2232fa397c
2 changed files with 12 additions and 5 deletions