| /* |
| * Copyright (C) 2007 Oracle. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public |
| * License v2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public |
| * License along with this program; if not, write to the |
| * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 021110-1307, USA. |
| */ |
| |
| #define _GNU_SOURCE |
| #ifndef __CHECKER__ |
| #include <sys/ioctl.h> |
| #include <sys/mount.h> |
| #include "ioctl.h" |
| #endif |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <getopt.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <dirent.h> |
| #include <uuid/uuid.h> |
| #include "kerncompat.h" |
| #include "ctree.h" |
| #include "transaction.h" |
| #include "utils.h" |
| #include "volumes.h" |
| #include "version.h" |
| |
| static int uuid_search(struct btrfs_fs_devices *fs_devices, char *search) |
| { |
| struct list_head *cur; |
| struct btrfs_device *device; |
| |
| list_for_each(cur, &fs_devices->devices) { |
| device = list_entry(cur, struct btrfs_device, dev_list); |
| if ((device->label && strcmp(device->label, search) == 0) || |
| strcmp(device->name, search) == 0) |
| return 1; |
| } |
| return 0; |
| } |
| |
| static void print_one_uuid(struct btrfs_fs_devices *fs_devices) |
| { |
| char uuidbuf[37]; |
| struct list_head *cur; |
| struct btrfs_device *device; |
| char *super_bytes_used; |
| u64 devs_found = 0; |
| u64 total; |
| |
| uuid_unparse(fs_devices->fsid, uuidbuf); |
| device = list_entry(fs_devices->devices.next, struct btrfs_device, |
| dev_list); |
| if (device->label && device->label[0]) |
| printf("Label: %s ", device->label); |
| else |
| printf("Label: none "); |
| |
| super_bytes_used = pretty_sizes(device->super_bytes_used); |
| |
| total = device->total_devs; |
| printf(" uuid: %s\n\tTotal devices %llu FS bytes used %s\n", uuidbuf, |
| (unsigned long long)total, super_bytes_used); |
| |
| free(super_bytes_used); |
| |
| list_for_each(cur, &fs_devices->devices) { |
| char *total_bytes; |
| char *bytes_used; |
| device = list_entry(cur, struct btrfs_device, dev_list); |
| total_bytes = pretty_sizes(device->total_bytes); |
| bytes_used = pretty_sizes(device->bytes_used); |
| printf("\tdevid %4llu size %s used %s path %s\n", |
| (unsigned long long)device->devid, |
| total_bytes, bytes_used, device->name); |
| free(total_bytes); |
| free(bytes_used); |
| devs_found++; |
| } |
| if (devs_found < total) { |
| printf("\t*** Some devices missing\n"); |
| } |
| printf("\n"); |
| } |
| |
| static void print_usage(void) |
| { |
| fprintf(stderr, "usage: btrfs-show [search label or device]\n"); |
| fprintf(stderr, "%s\n", BTRFS_BUILD_VERSION); |
| exit(1); |
| } |
| |
| static struct option long_options[] = { |
| /* { "byte-count", 1, NULL, 'b' }, */ |
| { 0, 0, 0, 0} |
| }; |
| |
| int main(int ac, char **av) |
| { |
| struct list_head *all_uuids; |
| struct btrfs_fs_devices *fs_devices; |
| struct list_head *cur_uuid; |
| char *search = NULL; |
| int ret; |
| int option_index = 0; |
| |
| while(1) { |
| int c; |
| c = getopt_long(ac, av, "", long_options, |
| &option_index); |
| if (c < 0) |
| break; |
| switch(c) { |
| default: |
| print_usage(); |
| } |
| } |
| ac = ac - optind; |
| if (ac != 0) { |
| search = av[optind]; |
| } |
| |
| ret = btrfs_scan_one_dir("/dev", 0); |
| if (ret) |
| fprintf(stderr, "error %d while scanning\n", ret); |
| |
| all_uuids = btrfs_scanned_uuids(); |
| list_for_each(cur_uuid, all_uuids) { |
| fs_devices = list_entry(cur_uuid, struct btrfs_fs_devices, |
| list); |
| if (search && uuid_search(fs_devices, search) == 0) |
| continue; |
| print_one_uuid(fs_devices); |
| } |
| printf("%s\n", BTRFS_BUILD_VERSION); |
| return 0; |
| } |
| |