git.sesse.net Git - bcachefs-tools-debian/blob - cmd_fs.c

   1
   2 #include <stdio.h>
   3 #include <sys/ioctl.h>
   4
   5 #include <uuid/uuid.h>
   6
   7 #include "libbcachefs/bcachefs_ioctl.h"
   8 #include "libbcachefs/opts.h"
   9
  10 #include "cmds.h"
  11 #include "libbcachefs.h"
  12
  13 static void print_fs_usage(const char *path, enum units units)
  14 {
  15         unsigned i, j;
  16         char uuid[40];
  17
  18         struct bchfs_handle fs = bcache_fs_open(path);
  19         struct bch_ioctl_usage *u = bchu_usage(fs);
  20
  21         uuid_unparse(fs.uuid.b, uuid);
  22         printf("Filesystem %s:\n", uuid);
  23
  24         printf("%-20s%12s\n", "Size:", pr_units(u->fs.capacity, units));
  25         printf("%-20s%12s\n", "Used:", pr_units(u->fs.used, units));
  26
  27         printf("%-20s%12s%12s%12s%12s\n",
  28                "By replicas:", "1x", "2x", "3x", "4x");
  29
  30         for (j = BCH_DATA_BTREE; j < BCH_DATA_NR; j++) {
  31                 printf_pad(20, "  %s:", bch2_data_types[j]);
  32
  33                 for (i = 0; i < BCH_REPLICAS_MAX; i++)
  34                         printf("%12s", pr_units(u->fs.sectors[j][i], units));
  35                 printf("\n");
  36         }
  37
  38         printf_pad(20, "  %s:", "reserved");
  39         for (i = 0; i < BCH_REPLICAS_MAX; i++)
  40                 printf("%12s", pr_units(u->fs.persistent_reserved[i], units));
  41         printf("\n");
  42
  43         printf("%-20s%12s\n", "  online reserved:", pr_units(u->fs.online_reserved, units));
  44
  45         for (i = 0; i < u->nr_devices; i++) {
  46                 struct bch_ioctl_dev_usage *d = u->devs + i;
  47                 char *name = NULL;
  48
  49                 if (!d->alive)
  50                         continue;
  51
  52                 printf("\n");
  53                 printf_pad(20, "Device %u usage:", i);
  54                 name = !d->dev ? strdup("(offline)")
  55                         : dev_to_path(d->dev)
  56                         ?: strdup("(device not found)");
  57
  58                 printf("%24s%12s\n", name, bch2_dev_state[d->state]);
  59                 free(name);
  60
  61                 printf("%-20s%12s%12s%12s\n",
  62                        "", "data", "buckets", "fragmented");
  63
  64                 for (j = BCH_DATA_SB; j < BCH_DATA_NR; j++) {
  65                         u64 frag = max((s64) d->buckets[j] * d->bucket_size -
  66                                        (s64) d->sectors[j], 0LL);
  67
  68                         printf_pad(20, "  %s:", bch2_data_types[j]);
  69                         printf("%12s%12llu%12s\n",
  70                                pr_units(d->sectors[j], units),
  71                                d->buckets[j],
  72                                pr_units(frag, units));
  73                 }
  74         }
  75
  76         free(u);
  77         bcache_fs_close(fs);
  78 }
  79
  80 int cmd_fs_usage(int argc, char *argv[])
  81 {
  82         enum units units = BYTES;
  83         char *fs;
  84         int opt;
  85
  86         while ((opt = getopt(argc, argv, "h")) != -1)
  87                 switch (opt) {
  88                 case 'h':
  89                         units = HUMAN_READABLE;
  90                         break;
  91                 }
  92         args_shift(optind);
  93
  94         if (!argc) {
  95                 print_fs_usage(".", units);
  96         } else {
  97                 while ((fs = arg_pop()))
  98                         print_fs_usage(fs, units);
  99         }
 100
 101         return 0;
 102 }