btrfs-progs: fi du: add long options for units

Drop -h, add just the common long options for now.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/cmds-fi-du.c b/cmds-fi-du.c
index 02e8144..236318b 100644 (file)
--- a/cmds-fi-du.c
+++ b/cmds-fi-du.c
@@ -279,15 +279,6 @@ static void clear_seen_inodes(void)
        }
 }
 
-const char * const cmd_filesystem_du_usage[] = {
-       "btrfs filesystem du [options] <path> [<path>..]",
-       "Summarize disk usage of each file.",
-       "-h|--human-readable",
-       "                   human friendly numbers, base 1024 (default)",
-       "-s                 display only a total for each argument",
-       NULL
-};
-
 /*
  * Inline extents are skipped because they do not take data space,
  * delalloc and unknown are skipped because we do not know how much
@@ -533,28 +524,32 @@ out:
        return ret;
 }
 
+const char * const cmd_filesystem_du_usage[] = {
+       "btrfs filesystem du [options] <path> [<path>..]",
+       "Summarize disk usage of each file.",
+       HELPINFO_UNITS_LONG,
+       "-s                 display only a total for each argument",
+       NULL
+};
+
 int cmd_filesystem_du(int argc, char **argv)
 {
        int ret = 0, error = 0;
        int i;
 
+       unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
+
        optind = 1;
        while (1) {
-               int long_index;
                static const struct option long_options[] = {
                        { "summarize", no_argument, NULL, 's'},
-                       { "human-readable", no_argument, NULL, 'h'},
                        { NULL, 0, NULL, 0 }
                };
-               int c = getopt_long(argc, argv, "sh", long_options,
-                               &long_index);
+               int c = getopt_long(argc, argv, "s", long_options, NULL);
 
                if (c < 0)
                        break;
                switch (c) {
-               case 'h':
-                       unit_mode = UNITS_HUMAN;
-                       break;
                case 's':
                        summarize = 1;
                        break;