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 dev_usage_type_to_text(struct printbuf *out,
20 u64 buckets, u64 sectors)
22 u64 frag = max((s64) buckets * bucket_size - (s64) sectors, 0LL);
24 pr_buf(out, "%s:", type);
26 pr_sectors(out, sectors);
28 pr_buf(out, "%llu", buckets);
30 pr_sectors(out, frag);
35 static void dev_usage_to_text(struct printbuf *out,
36 struct bchfs_handle fs,
39 struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, d->idx);
43 pr_buf(out, "%s (device %u):", d->label ?: "(no label)", d->idx);
45 pr_buf(out, "%s", d->dev ?: "(device not found)");
48 pr_buf(out, "%s", bch2_member_states[u.state]);
53 pr_indent_push(out, 2);
59 pr_buf(out, "buckets");
62 pr_buf(out, "fragmented");
67 for (i = BCH_DATA_sb; i < BCH_DATA_NR; i++)
68 dev_usage_type_to_text(out,
74 dev_usage_type_to_text(out,
80 pr_buf(out, "available:");
83 pr_sectors(out, u.available_buckets * u.bucket_size);
86 pr_buf(out, "%llu", u.available_buckets);
90 pr_buf(out, "capacity:");
93 pr_sectors(out, u.nr_buckets * u.bucket_size);
95 pr_buf(out, "%llu", u.nr_buckets);
98 pr_indent_pop(out, 2);
103 static int dev_by_label_cmp(const void *_l, const void *_r)
105 const struct dev_name *l = _l, *r = _r;
107 return (l->label && r->label
108 ? strcmp(l->label, r->label) : 0) ?:
110 ? strcmp(l->dev, r->dev) : 0) ?:
111 cmp_int(l->idx, r->idx);
114 static struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
116 struct dev_name *dev;
118 darray_foreach(dev, *dev_names)
125 static void replicas_usage_to_text(struct printbuf *out,
126 const struct bch_replicas_usage *r,
127 dev_names *dev_names)
134 char devs[4096], *d = devs;
137 for (i = 0; i < r->r.nr_devs; i++) {
138 unsigned dev_idx = r->r.devs[i];
139 struct dev_name *dev = dev_idx_to_name(dev_names, dev_idx);
145 ? sprintf(d, "%s", dev->dev)
146 : sprintf(d, "%u", dev_idx);
151 pr_buf(out, "%s: ", bch2_data_types[r->r.data_type]);
154 pr_buf(out, "%u/%u ", r->r.nr_required, r->r.nr_devs);
157 pr_buf(out, "%s ", devs);
160 pr_sectors(out, r->sectors);
165 #define for_each_usage_replica(_u, _r) \
166 for (_r = (_u)->replicas; \
167 _r != (void *) (_u)->replicas + (_u)->replica_entries_bytes;\
168 _r = replicas_usage_next(_r), \
169 BUG_ON((void *) _r > (void *) (_u)->replicas + (_u)->replica_entries_bytes))
171 static void fs_usage_to_text(struct printbuf *out, const char *path)
175 struct bchfs_handle fs = bcache_fs_open(path);
177 struct dev_name *dev;
178 dev_names dev_names = bchu_fs_get_devices(fs);
180 struct bch_ioctl_fs_usage *u = bchu_fs_usage(fs);
182 pr_buf(out, "Filesystem: ");
183 pr_uuid(out, fs.uuid.b);
186 out->tabstops[0] = 20;
187 out->tabstops[1] = 36;
189 pr_buf(out, "Size:");
191 pr_sectors(out, u->capacity);
195 pr_buf(out, "Used:");
197 pr_sectors(out, u->used);
201 pr_buf(out, "Online reserved:");
203 pr_sectors(out, u->online_reserved);
209 out->tabstops[0] = 16;
210 out->tabstops[1] = 32;
211 out->tabstops[2] = 50;
212 out->tabstops[3] = 68;
214 pr_buf(out, "Data type");
217 pr_buf(out, "Required/total");
220 pr_buf(out, "Devices");
223 for (i = 0; i < BCH_REPLICAS_MAX; i++) {
224 if (!u->persistent_reserved[i])
227 pr_buf(out, "reserved:");
229 pr_buf(out, "%u/%u ", 1, i);
232 pr_sectors(out, u->persistent_reserved[i]);
237 struct bch_replicas_usage *r;
239 for_each_usage_replica(u, r)
240 if (r->r.data_type < BCH_DATA_user)
241 replicas_usage_to_text(out, r, &dev_names);
243 for_each_usage_replica(u, r)
244 if (r->r.data_type == BCH_DATA_user &&
245 r->r.nr_required <= 1)
246 replicas_usage_to_text(out, r, &dev_names);
248 for_each_usage_replica(u, r)
249 if (r->r.data_type == BCH_DATA_user &&
250 r->r.nr_required > 1)
251 replicas_usage_to_text(out, r, &dev_names);
253 for_each_usage_replica(u, r)
254 if (r->r.data_type > BCH_DATA_user)
255 replicas_usage_to_text(out, r, &dev_names);
259 sort(&darray_item(dev_names, 0), darray_size(dev_names),
260 sizeof(darray_item(dev_names, 0)), dev_by_label_cmp, NULL);
262 out->tabstops[0] = 16;
263 out->tabstops[1] = 36;
264 out->tabstops[2] = 52;
265 out->tabstops[3] = 68;
267 darray_foreach(dev, dev_names)
268 dev_usage_to_text(out, fs, dev);
270 darray_foreach(dev, dev_names) {
274 darray_free(dev_names);
281 puts("bcachefs fs - manage a running filesystem\n"
282 "Usage: bcachefs fs <CMD> [OPTION]... path\n"
285 " usage show disk usage\n"
287 "Report bugs to <linux-bcachefs@vger.kernel.org>");
291 int cmd_fs_usage(int argc, char *argv[])
293 enum printbuf_units units = PRINTBUF_UNITS_BYTES;
294 struct printbuf buf = PRINTBUF;
298 while ((opt = getopt(argc, argv, "h")) != -1)
301 units = PRINTBUF_UNITS_HUMAN_READABLE;
307 printbuf_reset(&buf);
309 fs_usage_to_text(&buf, ".");
310 printf("%s", buf.buf);
312 while ((fs = arg_pop())) {
313 printbuf_reset(&buf);
315 fs_usage_to_text(&buf, fs);
316 printf("%s", buf.buf);