btrfs-progs: subvol delete: add verbosity option

Add an the option -v and use it for the transaction commit mode message.

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

diff --git a/cmds-subvolume.c b/cmds-subvolume.c
index 4e452f4..b14f86e 100644 (file)
--- a/cmds-subvolume.c
+++ b/cmds-subvolume.c
@@ -66,7 +66,7 @@ static int cmd_subvol_create(int argc, char **argv)
 
        optind = 1;
        while (1) {
-               int c = getopt(argc, argv, "c:i:");
+               int c = getopt(argc, argv, "c:i:v");
                if (c < 0)
                        break;
 
@@ -217,6 +217,7 @@ static int cmd_subvol_delete(int argc, char **argv)
        char    *dupvname = NULL;
        char    *path;
        DIR     *dirstream = NULL;
+       int verbose = 0;
        int sync_mode = 0;
        struct option long_options[] = {
                {"commit-after", no_argument, NULL, 'c'},  /* sync mode 1 */
@@ -239,6 +240,9 @@ static int cmd_subvol_delete(int argc, char **argv)
                case 'C':
                        sync_mode = 2;
                        break;
+               case 'v':
+                       verbose++;
+                       break;
                default:
                        usage(cmd_subvol_delete_usage);
                }
@@ -247,9 +251,11 @@ static int cmd_subvol_delete(int argc, char **argv)
        if (check_argc_min(argc - optind, 1))
                usage(cmd_subvol_delete_usage);
 
-       printf("Transaction commit: %s\n",
-               !sync_mode ? "none (default)" :
-               sync_mode == 1 ? "at the end" : "after each");
+       if (verbose > 0) {
+               printf("Transaction commit: %s\n",
+                       !sync_mode ? "none (default)" :
+                       sync_mode == 1 ? "at the end" : "after each");
+       }
 
        cnt = optind;