On Fri, Sep 13, 2013 at 07:32:23PM +0800, Anand Jain wrote: > Further, this patch adds new parameters mounted and > group profile info in the filesystem show output
Sorry to bother you, but the 'further' part of the patch should be separated out. The core change of the patch is to use libblkid and the ioctl. > --------------- > btrfs fi show > Label: none uuid: a2446ecf-68c5-4815-8b63-099d10fc373c mounted: /btrfs > Group profile: metadata: single metadata: DUP data: single I didn't notice that before, this does not bring much information without the numbers as 'fi df' does. Please drop the printf lines > @@ -246,34 +338,73 @@ static int cmd_show(int argc, char **argv) > struct list_head *cur_uuid; > char *search = NULL; > int ret; > - int where = BTRFS_SCAN_PROC; > + int where = 0; > int searchstart = 1; > > if( argc > 1 && !strcmp(argv[1],"--all-devices")){ > where = BTRFS_SCAN_DEV; > searchstart += 1; > + } else if (argc > 1 && !strcmp(argv[1], "--mounted")) { > + where = BTRFS_SCAN_MOUNTED; > + searchstart += 1; getopt was not used here, but with the new options it probably should be, because > - if (check_argc_max(argc, searchstart + 1)) > - usage(cmd_show_usage); > - > - ret = scan_for_btrfs(where, 0); > - > - if (ret){ > - fprintf(stderr, "ERROR: error %d while scanning\n", ret); > - return 1; > + if (where == BTRFS_SCAN_DEV) { > + if (check_argc_max(argc, searchstart + 1)) > + usage(cmd_show_usage); > + } else if (where == BTRFS_SCAN_MOUNTED) { > + if (check_argc_max(argc, searchstart)) > + usage(cmd_show_usage); > + } else { > + if (check_argc_max(argc, searchstart)) > + usage(cmd_show_usage); this stops to work: $ btrfs fi show SOME-UUID btrfs filesystem show: too many arguments thanks, david -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html