storage: Sync changes

Open the storage devices as O_SYNC, to make sure modem writes aren't
lingering in the event of power loss or sudden reboot.

Signed-off-by: Bjorn Andersson <[email protected]>

Author: andersson

storage.c

@@ -122,7 +122,7 @@ struct rmtfd *storage_open(unsigned node, const char *path)
 	fspath = alloca(pathlen);
 	snprintf(fspath, pathlen, "%s/%s", storage_dir, file);
 	if (!storage_read_only) {
-		fd = open(fspath, O_RDWR);
+		fd = open(fspath, O_RDWR | O_SYNC);
 		if (fd < 0) {
 			saved_errno = errno;
 			fprintf(stderr, "[storage] failed to open '%s' (requested '%s'): %s\n",