7 #include "ccan/darray/darray.h"
9 #include "linux/sort.h"
11 #include "libbcachefs/bcachefs_ioctl.h"
12 #include "libbcachefs/opts.h"
15 #include "libbcachefs.h"
17 static void print_dev_usage(struct bch_ioctl_dev_usage *d, unsigned idx,
18 const char *label, enum units units)
21 u64 available = d->nr_buckets;
25 printf_pad(20, "%s (device %u):", label, idx);
27 name = !d->dev ? strdup("(offline)")
29 ?: strdup("(device not found)");
30 printf("%24s%12s\n", name, bch2_dev_state[d->state]);
33 printf("%-20s%12s%12s%12s\n",
34 "", "data", "buckets", "fragmented");
36 for (i = BCH_DATA_SB; i < BCH_DATA_NR; i++) {
37 u64 frag = max((s64) d->buckets[i] * d->bucket_size -
38 (s64) d->sectors[i], 0LL);
40 printf_pad(20, " %s:", bch2_data_types[i]);
41 printf("%12s%12llu%12s\n",
42 pr_units(d->sectors[i], units),
44 pr_units(frag, units));
46 if (i != BCH_DATA_CACHED)
47 available -= d->buckets[i];
50 printf_pad(20, " available:");
51 printf("%12s%12llu\n",
52 pr_units(available * d->bucket_size, units),
55 printf_pad(20, " capacity:");
56 printf("%12s%12llu\n",
57 pr_units(d->nr_buckets * d->bucket_size, units),
66 static int dev_by_label_cmp(const void *_l, const void *_r)
68 const struct dev_by_label *l = _l, *r = _r;
70 return strcmp(l->label, r->label);
73 static void print_fs_usage(const char *path, enum units units)
78 struct bchfs_handle fs = bcache_fs_open(path);
79 struct bch_ioctl_usage *u = bchu_usage(fs);
81 uuid_unparse(fs.uuid.b, uuid);
82 printf("Filesystem %s:\n", uuid);
84 printf("%-20s%12s\n", "Size:", pr_units(u->fs.capacity, units));
85 printf("%-20s%12s\n", "Used:", pr_units(u->fs.used, units));
87 printf("%-20s%12s%12s%12s%12s\n",
88 "By replicas:", "1x", "2x", "3x", "4x");
90 for (j = BCH_DATA_SB; j < BCH_DATA_NR; j++) {
91 printf_pad(20, " %s:", bch2_data_types[j]);
93 for (i = 0; i < BCH_REPLICAS_MAX; i++)
94 printf("%12s", pr_units(u->fs.sectors[j][i], units));
98 printf_pad(20, " %s:", "reserved");
99 for (i = 0; i < BCH_REPLICAS_MAX; i++)
100 printf("%12s", pr_units(u->fs.persistent_reserved[i], units));
103 printf("%-20s%12s\n", " online reserved:", pr_units(u->fs.online_reserved, units));
105 darray(struct dev_by_label) devs_by_label;
106 darray_init(devs_by_label);
108 for (i = 0; i < u->nr_devices; i++) {
109 struct bch_ioctl_dev_usage *d = u->devs + i;
114 char *label_attr = mprintf("dev-%u/label", i);
115 char *label = read_file_str(fs.sysfs_fd, label_attr);
118 darray_append(devs_by_label,
119 (struct dev_by_label) { i, label });
122 sort(&darray_item(devs_by_label, 0), darray_size(devs_by_label),
123 sizeof(darray_item(devs_by_label, 0)), dev_by_label_cmp, NULL);
125 struct dev_by_label *d;
126 darray_foreach(d, devs_by_label)
127 print_dev_usage(u->devs + d->idx, d->idx, d->label, units);
129 darray_foreach(d, devs_by_label)
131 darray_free(devs_by_label);
137 int cmd_fs_usage(int argc, char *argv[])
139 enum units units = BYTES;
143 while ((opt = getopt(argc, argv, "h")) != -1)
146 units = HUMAN_READABLE;
152 print_fs_usage(".", units);
154 while ((fs = arg_pop()))
155 print_fs_usage(fs, units);