inomap: deterministically set root device

We used to have "first Translate() wins". This is not deterministic,
as the LOOKUP for the root directory does not seem to reach us, so
the first user LOOKUP would win, which may be on a mountpoint.

1 files changed, 6 insertions, 11 deletions

diff --git a/internal/inomap/inomap_test.go b/internal/inomap/inomap_test.go
index 6fbb4ef..9ec2932 100644
--- a/internal/inomap/inomap_test.go
+++ b/internal/inomap/inomap_test.go
@@ -6,7 +6,7 @@ import (
 )
 
 func TestTranslate(t *testing.T) {
-	m := New()
+	m := New(0)
 	q := QIno{Ino: 1}
 	out := m.Translate(q)
 	if out != 1 {
@@ -25,12 +25,7 @@ func TestTranslate(t *testing.T) {
 
 func TestTranslateStress(t *testing.T) {
 	const baseDev = 12345
-	m := New()
-
-	// Make sure baseDev gets namespace id zero
-	var q QIno
-	q.Dev = baseDev
-	m.Translate(q)
+	m := New(baseDev)
 
 	var wg sync.WaitGroup
 	wg.Add(4)
@@ -100,7 +95,7 @@ func TestTranslateStress(t *testing.T) {
 }
 
 func TestSpill(t *testing.T) {
-	m := New()
+	m := New(0)
 	var q QIno
 	q.Ino = maxPassthruIno + 1
 	out1 := m.Translate(q)
@@ -119,7 +114,7 @@ func TestSpill(t *testing.T) {
 // TestUniqueness checks that unique (Dev, Flags, Ino) tuples get unique inode
 // numbers
 func TestUniqueness(t *testing.T) {
-	m := New()
+	m := New(0)
 	var q QIno
 	outMap := make(map[uint64]struct{})
 	for q.Dev = 0; q.Dev < 10; q.Dev++ {
@@ -141,7 +136,7 @@ func TestUniqueness(t *testing.T) {
 }
 
 func BenchmarkTranslateSingleDev(b *testing.B) {
-	m := New()
+	m := New(0)
 	var q QIno
 	for n := 0; n < b.N; n++ {
 		q.Ino = uint64(n % 1000)
@@ -150,7 +145,7 @@ func BenchmarkTranslateSingleDev(b *testing.B) {
 }
 
 func BenchmarkTranslateManyDevs(b *testing.B) {
-	m := New()
+	m := New(0)
 	var q QIno
 	for n := 0; n < b.N; n++ {
 		q.Dev = uint64(n % 10)