Hide overlay/shm filesystems per default

filesystems_darwin.go

@@ -15,3 +15,7 @@ func isNetworkFs(m Mount) bool {
 func isSpecialFs(m Mount) bool {
 	return m.Fstype == "devfs"
 }
+
+func isHiddenFs(m Mount) bool {
+	return false
+}

filesystems_freebsd.go

@@ -30,3 +30,7 @@ func isSpecialFs(m Mount) bool {
 
 	return false
 }
+
+func isHiddenFs(m Mount) bool {
+	return false
+}

filesystems_linux.go

@@ -266,3 +266,14 @@ func isNetworkFs(m Mount) bool {
 func isSpecialFs(m Mount) bool {
 	return specialMap[int64(m.Stat().Type)]
 }
+
+func isHiddenFs(m Mount) bool {
+	switch m.Device {
+	case "shm":
+		return true
+	case "overlay":
+		return true
+	}
+
+	return m.Fstype == "autofs"
+}

filesystems_openbsd.go

@@ -15,3 +15,7 @@ func isNetworkFs(m Mount) bool {
 func isSpecialFs(m Mount) bool {
 	return m.Fstype == "devfs"
 }
+
+func isHiddenFs(m Mount) bool {
+	return false
+}

filesystems_windows.go

@@ -49,3 +49,7 @@ func isSpecialFs(m Mount) bool {
 	_, ok := windowsSandboxMountPoints[m.Mountpoint]
 	return ok
 }
+
+func isHiddenFs(m Mount) bool {
+	return false
+}

groups.go

@@ -42,8 +42,9 @@ func renderTables(m []Mount, filters FilterOptions, opts TableOptions) {
 				continue
 			}
 		}
-		// skip autofs
-		if v.Fstype == "autofs" {
+
+		// skip hidden devices
+		if isHiddenFs(v) && !*all {
 			continue
 		}