bcachefs: Increase size of btree node reserve

Also tweak the allocator to be more aggressive about keeping it full.
The recent changes to make updates to interior nodes transactional (and
thus generate updates to the alloc btree) all put more stress on the
btree node reserves.

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 2020-06-15 17:38:26 -04:00 • committed by Kent Overstreet
commit 7dd1ebfa1e
2 changed files with 7 additions and 4 deletions