fastboot: enable uninit_bg for ext4
This speeds up mke2fs as well as e2fsck.
Bug: 23686092
Bug: 64032335
Change-Id: I9f2d4c15e431647bb845d50a2361b2a9a091fba6
(cherry picked from commit 99e3964e0deb2f6ded9624262bcbd8b077963f7d)
diff --git a/fastboot/fs.cpp b/fastboot/fs.cpp
index f3c000e..6058b88 100644
--- a/fastboot/fs.cpp
+++ b/fastboot/fs.cpp
@@ -91,6 +91,8 @@
}
mke2fs_args.push_back("-E");
mke2fs_args.push_back(ext_attr.c_str());
+ mke2fs_args.push_back("-O");
+ mke2fs_args.push_back("uninit_bg");
mke2fs_args.push_back(fileName);
std::string size_str = std::to_string(partSize / block_size);