fix dir creation mode

They need to be writable by owner.

Test: manual
Change-Id: I3e99094e5752c0f6bb351cc24bdf5698b7a4bde2
diff --git a/services/incremental/IncrementalService.cpp b/services/incremental/IncrementalService.cpp
index e4a37dde..b7cea1f 100644
--- a/services/incremental/IncrementalService.cpp
+++ b/services/incremental/IncrementalService.cpp
@@ -169,7 +169,7 @@
         base::StringAppendF(&name, "%.*s_%d_%d", int(constants().storagePrefix.size()),
                             constants().storagePrefix.data(), id, no);
         auto fullName = path::join(root, constants().mount, name);
-        if (auto err = incrementalService.mIncFs->makeDir(control, fullName); !err) {
+        if (auto err = incrementalService.mIncFs->makeDir(control, fullName, 0755); !err) {
             std::lock_guard l(lock);
             return storages.insert_or_assign(id, Storage{std::move(fullName)}).first;
         } else if (err != EEXIST) {
diff --git a/services/incremental/IncrementalService.h b/services/incremental/IncrementalService.h
index ca5e4db..b08e68b 100644
--- a/services/incremental/IncrementalService.h
+++ b/services/incremental/IncrementalService.h
@@ -109,8 +109,8 @@
 
     int makeFile(StorageId storage, std::string_view path, int mode, FileId id,
                  incfs::NewFileParams params);
-    int makeDir(StorageId storage, std::string_view path, int mode = 0555);
-    int makeDirs(StorageId storage, std::string_view path, int mode = 0555);
+    int makeDir(StorageId storage, std::string_view path, int mode = 0755);
+    int makeDirs(StorageId storage, std::string_view path, int mode = 0755);
 
     int link(StorageId sourceStorageId, std::string_view oldPath, StorageId destStorageId,
              std::string_view newPath);
diff --git a/services/incremental/ServiceWrappers.h b/services/incremental/ServiceWrappers.h
index ae3739d..f0b5672 100644
--- a/services/incremental/ServiceWrappers.h
+++ b/services/incremental/ServiceWrappers.h
@@ -70,7 +70,7 @@
     virtual ~IncFsWrapper() = default;
     virtual ErrorCode makeFile(Control control, std::string_view path, int mode, FileId id,
                                NewFileParams params) const = 0;
-    virtual ErrorCode makeDir(Control control, std::string_view path, int mode = 0555) const = 0;
+    virtual ErrorCode makeDir(Control control, std::string_view path, int mode) const = 0;
     virtual RawMetadata getMetadata(Control control, FileId fileid) const = 0;
     virtual RawMetadata getMetadata(Control control, std::string_view path) const = 0;
     virtual FileId getFileId(Control control, std::string_view path) const = 0;