.

wcfs/client/wcfs.cpp

@@ -1084,6 +1084,28 @@ pair<Mapping, error> _FileH::mmap(int64_t blk_start, int64_t blk_len, VMA *vma)
     return make_pair(mmap, nil);
 }
 
+// __remmapEfault remmaps Mapping memory to cause SIGSEGV on access.
+//
+// It is used on FileH shutdown to turn all fileh mappings into incorrect ones,
+// because after fileh is down, it is not possible to continue to provide
+// correct f@at data view.
+//
+// Must be called with the following locks held by caller:
+// - virt_lock
+// - fileh.mmapMu
+error _Mapping::__remmapAsEfault() {
+    _Mapping& mmap = *this;
+    FileH f = mmap.fileh;
+
+    // errctx: no need for wconn and f: __remmapAsEfault is called only from
+    // FileH._closeLocked who adds them.
+    xerr::Contextf E("%s: remmap as efault", v(mmap));
+    etrace("");
+
+    error err = mmap_efault_into(mmap.mem_start, mmap.mem_stop - mmap.mem_start);
+    return E(err);
+}
+
 // unmap releases mapping memory from address space.
 //
 // After call to unmap the mapping must no longer be used.
@@ -1227,28 +1249,6 @@ error _Mapping::remmap_blk(int64_t blk) {
     return nil;
 }
 
-// __remmapEfault remmaps Mapping memory to cause SIGSEGV on access.
-//
-// It is used on FileH shutdown to turn all fileh mappings into incorrect ones,
-// because after fileh is down, it is not possible to continue to provide
-// correct f@at data view.
-//
-// Must be called with the following locks held by caller:
-// - virt_lock
-// - fileh.mmapMu
-error _Mapping::__remmapAsEfault() {
-    _Mapping& mmap = *this;
-    FileH f = mmap.fileh;
-
-    // errctx: no need for wconn and f: __remmapAsEfault is called only from
-    // FileH._closeLocked who adds them.
-    xerr::Contextf E("%s: remmap as efault", v(mmap));
-    etrace("");
-
-    error err = mmap_efault_into(mmap.mem_start, mmap.mem_stop - mmap.mem_start);
-    return E(err);
-}
-
 // ---- WCFS raw file access ----
 
 // _path returns path for object on wcfs.