1 files changed, 9 insertions, 8 deletions
diff --git a/vendor/github.com/edsrzf/mmap-go/mmap.go b/vendor/github.com/edsrzf/mmap-go/mmap.go
index 14fb22580a..29655bd222 100644
--- a/vendor/github.com/edsrzf/mmap-go/mmap.go
+++ b/vendor/github.com/edsrzf/mmap-go/mmap.go
@@ -81,25 +81,27 @@ func (m *MMap) header() *reflect.SliceHeader {
 	return (*reflect.SliceHeader)(unsafe.Pointer(m))
 }
 
+func (m *MMap) addrLen() (uintptr, uintptr) {
+	header := m.header()
+	return header.Data, uintptr(header.Len)
+}
+
 // Lock keeps the mapped region in physical memory, ensuring that it will not be
 // swapped out.
 func (m MMap) Lock() error {
-	dh := m.header()
-	return lock(dh.Data, uintptr(dh.Len))
+	return m.lock()
 }
 
 // Unlock reverses the effect of Lock, allowing the mapped region to potentially
 // be swapped out.
 // If m is already unlocked, aan error will result.
 func (m MMap) Unlock() error {
-	dh := m.header()
-	return unlock(dh.Data, uintptr(dh.Len))
+	return m.unlock()
 }
 
 // Flush synchronizes the mapping's contents to the file's contents on disk.
 func (m MMap) Flush() error {
-	dh := m.header()
-	return flush(dh.Data, uintptr(dh.Len))
+	return m.flush()
 }
 
 // Unmap deletes the memory mapped region, flushes any remaining changes, and sets
@@ -109,8 +111,7 @@ func (m MMap) Flush() error {
 // Unmap should only be called on the slice value that was originally returned from
 // a call to Map. Calling Unmap on a derived slice may cause errors.
 func (m *MMap) Unmap() error {
-	dh := m.header()
-	err := unmap(dh.Data, uintptr(dh.Len))
+	err := m.unmap()
 	*m = nil
 	return err
 }