Merge "init: flush ext4 file system on shutdown" into main (a3b721a3) · Commits · e / os / android_system_core

init/reboot.cpp

+10 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@

		#include <dirent.h>
		#include <fcntl.h>
		#include <linux/ext4.h>
		#include <linux/f2fs.h>
		#include <linux/fs.h>
		#include <linux/loop.h>
		@@ -835,6 +836,15 @@ static void DoReboot(unsigned int cmd, const std::string& reason, const std::str
		} else {
		LOG(INFO) << "Shutdown /data";
		}
		} else if (IsDataMounted("ext4")) {
		uint32_t flag = EXT4_GOING_FLAGS_DEFAULT;
		unique_fd fd(TEMP_FAILURE_RETRY(open("/data", O_RDONLY)));
		int ret = ioctl(fd.get(), EXT4_IOC_SHUTDOWN, &flag);
		if (ret) {
		PLOG(ERROR) << "Shutdown /data: ";
		} else {
		LOG(INFO) << "Shutdown /data";
		}
		}
		RebootSystem(cmd, reboot_target, reason);
		abort();