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_type(const char *type,
19 u64 buckets, u64 sectors,
22 u64 frag = max((s64) buckets * bucket_size - (s64) sectors, 0LL);
24 printf_pad(20, " %s:", type);
25 printf("%12s%12llu%12s\n",
26 pr_units(sectors, units),
28 pr_units(frag, units));
31 static void print_dev_usage(struct bchfs_handle fs,
35 struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, d->idx);
39 printf_pad(20, "%s (device %u):", d->label ?: "(no label)", d->idx);
40 printf("%24s%12s\n", d->dev ?: "(device not found)", bch2_dev_state[u.state]);
42 printf("%-20s%12s%12s%12s\n",
43 "", "data", "buckets", "fragmented");
45 for (i = BCH_DATA_sb; i < BCH_DATA_NR; i++) {
46 print_dev_usage_type(bch2_data_types[i],
53 print_dev_usage_type("erasure coded",
59 printf_pad(20, " available:");
60 printf("%12s%12llu\n",
61 pr_units(u.available_buckets * u.bucket_size, units),
64 printf_pad(20, " capacity:");
65 printf("%12s%12llu\n",
66 pr_units(u.nr_buckets * u.bucket_size, units),
70 static int dev_by_label_cmp(const void *_l, const void *_r)
72 const struct dev_name *l = _l, *r = _r;
74 return (l->label && r->label
75 ? strcmp(l->label, r->label) : 0) ?:
77 ? strcmp(l->dev, r->dev) : 0) ?:
78 cmp_int(l->idx, r->idx);
81 static struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
85 darray_foreach(dev, *dev_names)
92 static void print_replicas_usage(const struct bch_replicas_usage *r,
93 dev_names *dev_names, enum units units)
100 char devs[4096], *d = devs;
103 for (i = 0; i < r->r.nr_devs; i++) {
104 unsigned dev_idx = r->r.devs[i];
105 struct dev_name *dev = dev_idx_to_name(dev_names, dev_idx);
111 ? sprintf(d, "%s", dev->dev)
112 : sprintf(d, "%u", dev_idx);
117 printf_pad(16, "%s: ", bch2_data_types[r->r.data_type]);
118 printf_pad(16, "%u/%u ", r->r.nr_required, r->r.nr_devs);
119 printf_pad(32, "%s ", devs);
120 printf(" %s\n", pr_units(r->sectors, units));
123 #define for_each_usage_replica(_u, _r) \
124 for (_r = (_u)->replicas; \
125 _r != (void *) (_u)->replicas + (_u)->replica_entries_bytes;\
126 _r = replicas_usage_next(_r), \
127 BUG_ON((void *) _r > (void *) (_u)->replicas + (_u)->replica_entries_bytes))
129 static void print_fs_usage(const char *path, enum units units)
134 struct bchfs_handle fs = bcache_fs_open(path);
136 struct dev_name *dev;
137 dev_names dev_names = bchu_fs_get_devices(fs);
139 struct bch_ioctl_fs_usage *u = bchu_fs_usage(fs);
141 uuid_unparse(fs.uuid.b, uuid);
142 printf("Filesystem %s:\n", uuid);
144 printf("%-20s%12s\n", "Size:", pr_units(u->capacity, units));
145 printf("%-20s%12s\n", "Used:", pr_units(u->used, units));
147 printf("%-20s%12s\n", "Online reserved:", pr_units(u->online_reserved, units));
150 printf("%-16s%-16s%s\n", "Data type", "Required/total", "Devices");
152 for (i = 0; i < BCH_REPLICAS_MAX; i++) {
153 if (!u->persistent_reserved[i])
156 printf_pad(16, "%s: ", "reserved");
157 printf_pad(16, "%u/%u ", 1, i);
158 printf_pad(32, "[] ");
159 printf("%s\n", pr_units(u->persistent_reserved[i], units));
162 struct bch_replicas_usage *r;
164 for_each_usage_replica(u, r)
165 if (r->r.data_type < BCH_DATA_user)
166 print_replicas_usage(r, &dev_names, units);
168 for_each_usage_replica(u, r)
169 if (r->r.data_type == BCH_DATA_user &&
170 r->r.nr_required <= 1)
171 print_replicas_usage(r, &dev_names, units);
173 for_each_usage_replica(u, r)
174 if (r->r.data_type == BCH_DATA_user &&
175 r->r.nr_required > 1)
176 print_replicas_usage(r, &dev_names, units);
178 for_each_usage_replica(u, r)
179 if (r->r.data_type > BCH_DATA_user)
180 print_replicas_usage(r, &dev_names, units);
184 sort(&darray_item(dev_names, 0), darray_size(dev_names),
185 sizeof(darray_item(dev_names, 0)), dev_by_label_cmp, NULL);
187 darray_foreach(dev, dev_names)
188 print_dev_usage(fs, dev, units);
190 darray_foreach(dev, dev_names) {
194 darray_free(dev_names);
199 int cmd_fs_usage(int argc, char *argv[])
201 enum units units = BYTES;
205 while ((opt = getopt(argc, argv, "h")) != -1)
208 units = HUMAN_READABLE;
214 print_fs_usage(".", units);
216 while ((fs = arg_pop()))
217 print_fs_usage(fs, units);