1 /* vi: set sw=4 ts=4: */
3 * Mini fsync implementation for busybox
5 * Copyright (C) 2008 Nokia Corporation. All rights reserved.
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
10 //usage:#define fsync_trivial_usage
11 //usage: "[-d] FILE..."
12 //usage:#define fsync_full_usage "\n\n"
13 //usage: "Write files' buffered blocks to disk\n"
15 //usage: "\n -d Avoid syncing metadata"
22 /* This is a NOFORK applet. Be very careful! */
24 int fsync_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
25 int fsync_main(int argc UNUSED_PARAM, char **argv)
30 opts = getopt32(argv, "d"); /* fdatasync */
36 status = EXIT_SUCCESS;
38 int fd = open_or_warn(*argv, O_NOATIME | O_NOCTTY | O_RDONLY);
41 status = EXIT_FAILURE;
44 if ((opts ? fdatasync(fd) : fsync(fd))) {
45 //status = EXIT_FAILURE; - do we want this?
46 bb_simple_perror_msg(*argv);