bcachefs: Change btree split threshold to be in u64s

This fixes a bug with very small btree nodes where splitting would end
up with one of the new nodes empty.

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 2020-01-15 15:11:22 -05:00 • committed by Kent Overstreet
commit 5525f632dc
2 changed files with 2 additions and 2 deletions