Write freelist after each commit.

Well, this is embarassing. Somehow the freelist was never getting written after each commit.
This commit fixes that and fixes a small reporting issue with "bolt pages".

1 files changed, 10 insertions, 0 deletions

diff --git a/tx.go b/tx.go
index 3859de2..25cc829 100644
--- a/tx.go
+++ b/tx.go
@@ -199,6 +199,16 @@ func (t *Tx) Commit() error {
 	t.db.freelist.free(t.id(), t.page(t.meta.buckets))
 	t.meta.buckets = p.id
 
+	// Free the freelist and allocate new pages for it. This will overestimate
+	// the size of the freelist but not underestimate the size (which would be bad).
+	t.db.freelist.free(t.id(), t.page(t.meta.freelist))
+	p, err = t.allocate((t.db.freelist.size() / t.db.pageSize) + 1)
+	if err != nil {
+		return err
+	}
+	t.db.freelist.write(p)
+	t.meta.freelist = p.id
+
 	// Write dirty pages to disk.
 	if err := t.write(); err != nil {
 		return err