bcachefs: Improve btree_bad_header()

In the future printbufs will be mempool-ified, so we shouldn't be using
more than one at a time if we don't have to.

This also fixes an extra trailing newline.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This commit is contained in:
Kent Overstreet 2022-04-07 17:28:09 -04:00 • committed by Kent Overstreet
commit 1d8a268940