diff options
Diffstat (limited to 'cmds-subvolume.c')
| -rw-r--r-- | cmds-subvolume.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/cmds-subvolume.c b/cmds-subvolume.c index f4aa80ff..8a81d36e 100644 --- a/cmds-subvolume.c +++ b/cmds-subvolume.c @@ -261,10 +261,12 @@ static int cmd_subvol_delete(int argc, char **argv) } static const char * const cmd_subvol_list_usage[] = { - "btrfs subvolume list [-p] <path>", + "btrfs subvolume list [-ps] <path>", "List subvolumes (and snapshots)", "", - "-p print parent ID", + "-p print parent ID", + "-s value list snapshots with generation in ascending/descending order", + " (1: ascending, 0: descending)", NULL }; @@ -273,11 +275,13 @@ static int cmd_subvol_list(int argc, char **argv) int fd; int ret; int print_parent = 0; + int print_snap_only = 0; + int order = 0; char *subvol; optind = 1; while(1) { - int c = getopt(argc, argv, "p"); + int c = getopt(argc, argv, "ps:"); if (c < 0) break; @@ -285,6 +289,10 @@ static int cmd_subvol_list(int argc, char **argv) case 'p': print_parent = 1; break; + case 's': + print_snap_only = 1; + order = atoi(optarg); + break; default: usage(cmd_subvol_list_usage); } @@ -310,7 +318,10 @@ static int cmd_subvol_list(int argc, char **argv) fprintf(stderr, "ERROR: can't access '%s'\n", subvol); return 12; } - ret = list_subvols(fd, print_parent, 0); + if (!print_snap_only) + ret = list_subvols(fd, print_parent, 0); + else + ret = list_snapshots(fd, print_parent, order); if (ret) return 19; return 0; |