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btrfs-progs: restore: don't allow users to specify -r and -f at the same time

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These two options are used for same purpose, but they are exclusive with
each other. Make it clear to common users.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Wang Shilong 2014-06-19 09:27:08 +08:00 committed by David Sterba
parent 4cb5168ba6
commit 958bd97a55
1 changed files with 5 additions and 0 deletions
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5
cmds-restore.c
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@ -1218,6 +1218,11 @@ int cmd_restore(int argc, char **argv)
else if (list_roots && optind >= argc)
usage(cmd_restore_usage);
if (fs_location && root_objectid) {
fprintf(stderr, "don't use -f and -r at the same time.\n");
return 1;
}
if ((ret = check_mounted(argv[optind])) < 0) {
fprintf(stderr, "Could not check mount status: %s\n",
strerror(-ret));