7 #include "linux/sort.h"
9 #include "libbcachefs/bcachefs_ioctl.h"
10 #include "libbcachefs/darray.h"
11 #include "libbcachefs/opts.h"
12 #include "libbcachefs/super-io.h"
15 #include "libbcachefs.h"
17 static void __dev_usage_type_to_text(struct printbuf *out,
20 u64 buckets, u64 sectors, u64 frag)
22 prt_printf(out, "%s:", type);
25 prt_units_u64(out, sectors << 9);
28 prt_printf(out, "%llu", buckets);
32 prt_units_u64(out, frag << 9);
38 static void dev_usage_type_to_text(struct printbuf *out,
39 struct bch_ioctl_dev_usage_v2 *u,
40 enum bch_data_type type)
42 __dev_usage_type_to_text(out, bch2_data_types[type],
46 u->d[type].fragmented);
49 static void dev_usage_to_text(struct printbuf *out,
50 struct bchfs_handle fs,
53 struct bch_ioctl_dev_usage_v2 *u = bchu_dev_usage(fs, d->idx);
56 prt_printf(out, "%s (device %u):", d->label ?: "(no label)", d->idx);
58 prt_str(out, d->dev ?: "(device not found)");
61 prt_str(out, bch2_member_states[u->state]);
66 printbuf_indent_add(out, 2);
72 prt_str(out, "buckets");
75 prt_str(out, "fragmented");
80 for (unsigned i = 0; i < u->nr_data_types; i++)
81 dev_usage_type_to_text(out, u, i);
83 prt_str(out, "capacity:");
86 prt_units_u64(out, (u->nr_buckets * u->bucket_size) << 9);
88 prt_printf(out, "%llu", u->nr_buckets);
91 printbuf_indent_sub(out, 2);
97 static int dev_by_label_cmp(const void *_l, const void *_r)
99 const struct dev_name *l = _l, *r = _r;
101 return (l->label && r->label
102 ? strcmp(l->label, r->label) : 0) ?:
104 ? strcmp(l->dev, r->dev) : 0) ?:
105 cmp_int(l->idx, r->idx);
108 static struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
110 struct dev_name *dev;
112 darray_for_each(*dev_names, dev)
119 static void replicas_usage_to_text(struct printbuf *out,
120 const struct bch_replicas_usage *r,
121 dev_names *dev_names)
126 char devs[4096], *d = devs;
129 unsigned durability = 0;
131 for (unsigned i = 0; i < r->r.nr_devs; i++) {
132 unsigned dev_idx = r->r.devs[i];
133 struct dev_name *dev = dev_idx_to_name(dev_names, dev_idx);
135 durability += dev->durability;
141 ? sprintf(d, "%s", dev->dev)
142 : sprintf(d, "%u", dev_idx);
147 prt_printf(out, "%s: ", bch2_data_types[r->r.data_type]);
150 prt_printf(out, "%u/%u ", r->r.nr_required, r->r.nr_devs);
153 prt_printf(out, "%u ", durability);
156 prt_printf(out, "%s ", devs);
159 prt_units_u64(out, r->sectors << 9);
164 #define for_each_usage_replica(_u, _r) \
165 for (_r = (_u)->replicas; \
166 _r != (void *) (_u)->replicas + (_u)->replica_entries_bytes;\
167 _r = replicas_usage_next(_r), \
168 BUG_ON((void *) _r > (void *) (_u)->replicas + (_u)->replica_entries_bytes))
170 static void fs_usage_to_text(struct printbuf *out, const char *path)
174 struct bchfs_handle fs = bcache_fs_open(path);
176 struct dev_name *dev;
177 dev_names dev_names = bchu_fs_get_devices(fs);
179 struct bch_ioctl_fs_usage *u = bchu_fs_usage(fs);
181 prt_str(out, "Filesystem: ");
182 pr_uuid(out, fs.uuid.b);
185 printbuf_tabstops_reset(out);
186 printbuf_tabstop_push(out, 20);
187 printbuf_tabstop_push(out, 16);
189 prt_str(out, "Size:");
191 prt_units_u64(out, u->capacity << 9);
195 prt_str(out, "Used:");
197 prt_units_u64(out, u->used << 9);
201 prt_str(out, "Online reserved:");
203 prt_units_u64(out, u->online_reserved << 9);
209 printbuf_tabstops_reset(out);
211 printbuf_tabstop_push(out, 16);
212 prt_str(out, "Data type");
215 printbuf_tabstop_push(out, 16);
216 prt_str(out, "Required/total");
219 printbuf_tabstop_push(out, 14);
220 prt_str(out, "Durability");
223 printbuf_tabstop_push(out, 14);
224 prt_str(out, "Devices");
227 printbuf_tabstop_push(out, 14);
229 for (i = 0; i < BCH_REPLICAS_MAX; i++) {
230 if (!u->persistent_reserved[i])
233 prt_str(out, "reserved:");
235 prt_printf(out, "%u/%u ", 1, i);
238 prt_units_u64(out, u->persistent_reserved[i] << 9);
243 struct bch_replicas_usage *r;
245 for_each_usage_replica(u, r)
246 if (r->r.data_type < BCH_DATA_user)
247 replicas_usage_to_text(out, r, &dev_names);
249 for_each_usage_replica(u, r)
250 if (r->r.data_type == BCH_DATA_user &&
251 r->r.nr_required <= 1)
252 replicas_usage_to_text(out, r, &dev_names);
254 for_each_usage_replica(u, r)
255 if (r->r.data_type == BCH_DATA_user &&
256 r->r.nr_required > 1)
257 replicas_usage_to_text(out, r, &dev_names);
259 for_each_usage_replica(u, r)
260 if (r->r.data_type > BCH_DATA_user)
261 replicas_usage_to_text(out, r, &dev_names);
265 sort(dev_names.data, dev_names.nr,
266 sizeof(dev_names.data[0]), dev_by_label_cmp, NULL);
268 printbuf_tabstops_reset(out);
269 printbuf_tabstop_push(out, 16);
270 printbuf_tabstop_push(out, 20);
271 printbuf_tabstop_push(out, 16);
272 printbuf_tabstop_push(out, 14);
274 darray_for_each(dev_names, dev)
275 dev_usage_to_text(out, fs, dev);
277 darray_for_each(dev_names, dev) {
281 darray_exit(&dev_names);
286 static void fs_usage_usage(void)
288 puts("bcachefs fs usage - display detailed filesystem usage\n"
289 "Usage: bcachefs fs usage [OPTION]... <mountpoint>\n"
292 " -h, --human-readable Human readable units\n"
293 " --help Display this help and exit\n"
294 "Report bugs to <linux-bcachefs@vger.kernel.org>");
297 int cmd_fs_usage(int argc, char *argv[])
299 static const struct option longopts[] = {
300 { "help", no_argument, NULL, 'H' },
303 bool human_readable = false;
304 struct printbuf buf = PRINTBUF;
308 while ((opt = getopt_long(argc, argv, "h",
309 longopts, NULL)) != -1)
312 human_readable = true;
324 printbuf_reset(&buf);
325 buf.human_readable_units = human_readable;
326 fs_usage_to_text(&buf, ".");
327 printf("%s", buf.buf);
329 while ((fs = arg_pop())) {
330 printbuf_reset(&buf);
331 buf.human_readable_units = human_readable;
332 fs_usage_to_text(&buf, fs);
333 printf("%s", buf.buf);