am be19dce8: udpater: Call fsync() after rename(). (5aa3ce3a) · Commits · e / os / android_bootable_recovery

updater/blockimg.c

+20 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@
		#include <dirent.h>
		#include <fcntl.h>
		#include <inttypes.h>
		#include <libgen.h>
		#include <pthread.h>
		#include <stdarg.h>
		#include <stdio.h>
		@@ -632,6 +633,7 @@ static int WriteStash(const char* base, const char* id, int blocks, uint8_t* buf
		char *cn = NULL;
		int fd = -1;
		int rc = -1;
		int dfd = -1;
		int res;
		struct stat st;

		@@ -690,6 +692,20 @@ static int WriteStash(const char* base, const char* id, int blocks, uint8_t* buf
		goto wsout;
		}

		const char* dname;
		dname = dirname(cn);
		dfd = TEMP_FAILURE_RETRY(open(dname, O_RDONLY \| O_DIRECTORY));

		if (dfd == -1) {
		fprintf(stderr, "failed to open \"%s\" failed: %s\n", dname, strerror(errno));
		goto wsout;
		}

		if (fsync(dfd) == -1) {
		fprintf(stderr, "fsync \"%s\" failed: %s\n", dname, strerror(errno));
		goto wsout;
		}

		rc = 0;

		wsout:
		@@ -697,6 +713,10 @@ wsout:
		close(fd);
		}

		if (dfd != -1) {
		close(dfd);
		}

		if (fn) {
		free(fn);
		}