7 #include "linux/sort.h"
9 #include "libbcachefs/bcachefs_ioctl.h"
10 #include "libbcachefs/darray.h"
11 #include "libbcachefs/opts.h"
14 #include "libbcachefs.h"
16 static void __dev_usage_type_to_text(struct printbuf *out,
19 u64 buckets, u64 sectors, u64 frag)
21 pr_buf(out, "%s:", type);
24 pr_sectors(out, sectors);
27 pr_buf(out, "%llu", buckets);
31 pr_sectors(out, frag);
37 static void dev_usage_type_to_text(struct printbuf *out,
38 struct bch_ioctl_dev_usage *u,
39 enum bch_data_type type)
41 __dev_usage_type_to_text(out, bch2_data_types[type],
45 u->d[type].fragmented);
48 static void dev_usage_to_text(struct printbuf *out,
49 struct bchfs_handle fs,
52 struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, d->idx);
56 pr_buf(out, "%s (device %u):", d->label ?: "(no label)", d->idx);
58 pr_buf(out, "%s", d->dev ?: "(device not found)");
61 pr_buf(out, "%s", bch2_member_states[u.state]);
66 pr_indent_push(out, 2);
72 pr_buf(out, "buckets");
75 pr_buf(out, "fragmented");
80 for (i = 0; i < BCH_DATA_NR; i++)
81 dev_usage_type_to_text(out, &u, i);
82 __dev_usage_type_to_text(out, "erasure coded",
84 u.buckets_ec, u.buckets_ec * u.bucket_size, 0);
86 pr_buf(out, "capacity:");
89 pr_sectors(out, u.nr_buckets * u.bucket_size);
91 pr_buf(out, "%llu", u.nr_buckets);
94 pr_indent_pop(out, 2);
99 static int dev_by_label_cmp(const void *_l, const void *_r)
101 const struct dev_name *l = _l, *r = _r;
103 return (l->label && r->label
104 ? strcmp(l->label, r->label) : 0) ?:
106 ? strcmp(l->dev, r->dev) : 0) ?:
107 cmp_int(l->idx, r->idx);
110 static struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
112 struct dev_name *dev;
114 darray_for_each(*dev_names, dev)
121 static void replicas_usage_to_text(struct printbuf *out,
122 const struct bch_replicas_usage *r,
123 dev_names *dev_names)
130 char devs[4096], *d = devs;
133 for (i = 0; i < r->r.nr_devs; i++) {
134 unsigned dev_idx = r->r.devs[i];
135 struct dev_name *dev = dev_idx_to_name(dev_names, dev_idx);
141 ? sprintf(d, "%s", dev->dev)
142 : sprintf(d, "%u", dev_idx);
147 pr_buf(out, "%s: ", bch2_data_types[r->r.data_type]);
150 pr_buf(out, "%u/%u ", r->r.nr_required, r->r.nr_devs);
153 pr_buf(out, "%s ", devs);
156 pr_sectors(out, r->sectors);
161 #define for_each_usage_replica(_u, _r) \
162 for (_r = (_u)->replicas; \
163 _r != (void *) (_u)->replicas + (_u)->replica_entries_bytes;\
164 _r = replicas_usage_next(_r), \
165 BUG_ON((void *) _r > (void *) (_u)->replicas + (_u)->replica_entries_bytes))
167 static void fs_usage_to_text(struct printbuf *out, const char *path)
171 struct bchfs_handle fs = bcache_fs_open(path);
173 struct dev_name *dev;
174 dev_names dev_names = bchu_fs_get_devices(fs);
176 struct bch_ioctl_fs_usage *u = bchu_fs_usage(fs);
178 pr_buf(out, "Filesystem: ");
179 pr_uuid(out, fs.uuid.b);
182 out->tabstops[0] = 20;
183 out->tabstops[1] = 36;
185 pr_buf(out, "Size:");
187 pr_sectors(out, u->capacity);
191 pr_buf(out, "Used:");
193 pr_sectors(out, u->used);
197 pr_buf(out, "Online reserved:");
199 pr_sectors(out, u->online_reserved);
205 out->tabstops[0] = 16;
206 out->tabstops[1] = 32;
207 out->tabstops[2] = 50;
208 out->tabstops[3] = 68;
210 pr_buf(out, "Data type");
213 pr_buf(out, "Required/total");
216 pr_buf(out, "Devices");
219 for (i = 0; i < BCH_REPLICAS_MAX; i++) {
220 if (!u->persistent_reserved[i])
223 pr_buf(out, "reserved:");
225 pr_buf(out, "%u/%u ", 1, i);
228 pr_sectors(out, u->persistent_reserved[i]);
233 struct bch_replicas_usage *r;
235 for_each_usage_replica(u, r)
236 if (r->r.data_type < BCH_DATA_user)
237 replicas_usage_to_text(out, r, &dev_names);
239 for_each_usage_replica(u, r)
240 if (r->r.data_type == BCH_DATA_user &&
241 r->r.nr_required <= 1)
242 replicas_usage_to_text(out, r, &dev_names);
244 for_each_usage_replica(u, r)
245 if (r->r.data_type == BCH_DATA_user &&
246 r->r.nr_required > 1)
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 replicas_usage_to_text(out, r, &dev_names);
255 sort(dev_names.data, dev_names.nr,
256 sizeof(dev_names.data[0]), dev_by_label_cmp, NULL);
258 out->tabstops[0] = 16;
259 out->tabstops[1] = 36;
260 out->tabstops[2] = 52;
261 out->tabstops[3] = 68;
263 darray_for_each(dev_names, dev)
264 dev_usage_to_text(out, fs, dev);
266 darray_for_each(dev_names, dev) {
270 darray_exit(dev_names);
277 puts("bcachefs fs - manage a running filesystem\n"
278 "Usage: bcachefs fs <CMD> [OPTION]... path\n"
281 " usage show disk usage\n"
283 "Report bugs to <linux-bcachefs@vger.kernel.org>");
287 int cmd_fs_usage(int argc, char *argv[])
289 enum printbuf_units units = PRINTBUF_UNITS_BYTES;
290 struct printbuf buf = PRINTBUF;
294 while ((opt = getopt(argc, argv, "h")) != -1)
297 units = PRINTBUF_UNITS_HUMAN_READABLE;
303 printbuf_reset(&buf);
305 fs_usage_to_text(&buf, ".");
306 printf("%s", buf.buf);
308 while ((fs = arg_pop())) {
309 printbuf_reset(&buf);
311 fs_usage_to_text(&buf, fs);
312 printf("%s", buf.buf);