mount: complete fix for freebsd

fix https://github.com/seaweedfs/seaweedfs/issues/6645

weed/mount/weedfs_attr_freebsd.go

@@ -0,0 +1,8 @@
+package mount
+
+import (
+	"github.com/hanwen/go-fuse/v2/fuse"
+)
+
+func setBlksize(out *fuse.Attr, size uint32) {
+}

weed/mount/weedfs_xattr.go

@@ -1,3 +1,6 @@
+//go:build !freebsd
+// +build !freebsd
+
 package mount
 
 import (

weed/mount/weedfs_xattr_freebsd.go

@@ -0,0 +1,27 @@
+package mount
+
+import (
+	"syscall"
+
+	"github.com/hanwen/go-fuse/v2/fuse"
+)
+
+func (wfs *WFS) GetXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr string, dest []byte) (size uint32, code fuse.Status) {
+
+	return 0, fuse.Status(syscall.ENOTSUP)
+}
+
+func (wfs *WFS) SetXAttr(cancel <-chan struct{}, input *fuse.SetXAttrIn, attr string, data []byte) fuse.Status {
+
+	return fuse.Status(syscall.ENOTSUP)
+}
+
+func (wfs *WFS) ListXAttr(cancel <-chan struct{}, header *fuse.InHeader, dest []byte) (n uint32, code fuse.Status) {
+
+	return 0, fuse.Status(syscall.ENOTSUP)
+}
+
+func (wfs *WFS) RemoveXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr string) fuse.Status {
+
+	return fuse.Status(syscall.ENOTSUP)
+}