#include "cmds.h"
#include "libbcachefs.h"
-static void print_dev_usage(struct bch_ioctl_dev_usage *d, unsigned idx,
- const char *label, enum units units)
+static void dev_usage_type_to_text(struct printbuf *out,
+ const char *type,
+ unsigned bucket_size,
+ u64 buckets, u64 sectors)
{
- char *name = NULL;
- u64 available = d->nr_buckets;
+ u64 frag = max((s64) buckets * bucket_size - (s64) sectors, 0LL);
+
+ pr_buf(out, "%s:", type);
+ pr_tab(out);
+ pr_sectors(out, sectors);
+ pr_tab_rjust(out);
+ pr_buf(out, "%llu", buckets);
+ pr_tab_rjust(out);
+ pr_sectors(out, frag);
+ pr_tab_rjust(out);
+ pr_newline(out);
+}
+
+static void dev_usage_to_text(struct printbuf *out,
+ struct bchfs_handle fs,
+ struct dev_name *d)
+{
+ struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, d->idx);
unsigned i;
- printf("\n");
- printf_pad(20, "%s (device %u):", label, idx);
+ pr_newline(out);
+ pr_buf(out, "%s (device %u):", d->label ?: "(no label)", d->idx);
+ pr_tab(out);
+ pr_buf(out, "%s", d->dev ?: "(device not found)");
+ pr_tab_rjust(out);
- name = !d->dev ? strdup("(offline)")
- : dev_to_path(d->dev)
- ?: strdup("(device not found)");
- printf("%24s%12s\n", name, bch2_dev_state[d->state]);
- free(name);
+ pr_buf(out, "%s", bch2_member_states[u.state]);
+ pr_tab_rjust(out);
- printf("%-20s%12s%12s%12s\n",
- "", "data", "buckets", "fragmented");
+ pr_newline(out);
- for (i = BCH_DATA_SB; i < BCH_DATA_NR; i++) {
- u64 frag = max((s64) d->buckets[i] * d->bucket_size -
- (s64) d->sectors[i], 0LL);
+ pr_indent_push(out, 2);
+ pr_tab(out);
- printf_pad(20, " %s:", bch2_data_types[i]);
- printf("%12s%12llu%12s\n",
- pr_units(d->sectors[i], units),
- d->buckets[i],
- pr_units(frag, units));
+ pr_buf(out, "data");
+ pr_tab_rjust(out);
- if (i != BCH_DATA_CACHED)
- available -= d->buckets[i];
- }
+ pr_buf(out, "buckets");
+ pr_tab_rjust(out);
- printf_pad(20, " available:");
- printf("%12s%12llu\n",
- pr_units(available * d->bucket_size, units),
- available);
+ pr_buf(out, "fragmented");
+ pr_tab_rjust(out);
- printf_pad(20, " capacity:");
- printf("%12s%12llu\n",
- pr_units(d->nr_buckets * d->bucket_size, units),
- d->nr_buckets);
-}
+ pr_newline(out);
+
+ for (i = BCH_DATA_sb; i < BCH_DATA_NR; i++)
+ dev_usage_type_to_text(out,
+ bch2_data_types[i],
+ u.bucket_size,
+ u.buckets[i],
+ u.sectors[i]);
+
+ dev_usage_type_to_text(out,
+ "erasure coded",
+ u.bucket_size,
+ u.ec_buckets,
+ u.ec_sectors);
+
+ pr_buf(out, "available:");
+ pr_tab(out);
+
+ pr_sectors(out, u.available_buckets * u.bucket_size);
+ pr_tab_rjust(out);
+
+ pr_buf(out, "%llu", u.available_buckets);
+ pr_tab_rjust(out);
+ pr_newline(out);
+
+ pr_buf(out, "capacity:");
+ pr_tab(out);
+
+ pr_sectors(out, u.nr_buckets * u.bucket_size);
+ pr_tab_rjust(out);
+ pr_buf(out, "%llu", u.nr_buckets);
+ pr_tab_rjust(out);
+
+ pr_indent_pop(out, 2);
-struct dev_by_label {
- unsigned idx;
- char *label;
-};
+ pr_newline(out);
+}
static int dev_by_label_cmp(const void *_l, const void *_r)
{
- const struct dev_by_label *l = _l, *r = _r;
+ const struct dev_name *l = _l, *r = _r;
- return strcmp(l->label, r->label);
+ return (l->label && r->label
+ ? strcmp(l->label, r->label) : 0) ?:
+ (l->dev && r->dev
+ ? strcmp(l->dev, r->dev) : 0) ?:
+ cmp_int(l->idx, r->idx);
}
-static void print_fs_usage(const char *path, enum units units)
+static struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
{
- unsigned i, j;
- char uuid[40];
+ struct dev_name *dev;
- struct bchfs_handle fs = bcache_fs_open(path);
- struct bch_ioctl_usage *u = bchu_usage(fs);
+ darray_foreach(dev, *dev_names)
+ if (dev->idx == idx)
+ return dev;
+
+ return NULL;
+}
+
+static void replicas_usage_to_text(struct printbuf *out,
+ const struct bch_replicas_usage *r,
+ dev_names *dev_names)
+{
+ unsigned i;
- uuid_unparse(fs.uuid.b, uuid);
- printf("Filesystem %s:\n", uuid);
+ if (!r->sectors)
+ return;
- printf("%-20s%12s\n", "Size:", pr_units(u->fs.capacity, units));
- printf("%-20s%12s\n", "Used:", pr_units(u->fs.used, units));
+ char devs[4096], *d = devs;
+ *d++ = '[';
- printf("%-20s%12s%12s%12s%12s\n",
- "By replicas:", "1x", "2x", "3x", "4x");
+ for (i = 0; i < r->r.nr_devs; i++) {
+ unsigned dev_idx = r->r.devs[i];
+ struct dev_name *dev = dev_idx_to_name(dev_names, dev_idx);
- for (j = BCH_DATA_SB; j < BCH_DATA_NR; j++) {
- printf_pad(20, " %s:", bch2_data_types[j]);
+ if (i)
+ *d++ = ' ';
- for (i = 0; i < BCH_REPLICAS_MAX; i++)
- printf("%12s", pr_units(u->fs.sectors[j][i], units));
- printf("\n");
+ d += dev && dev->dev
+ ? sprintf(d, "%s", dev->dev)
+ : sprintf(d, "%u", dev_idx);
}
+ *d++ = ']';
+ *d++ = '\0';
- printf_pad(20, " %s:", "reserved");
- for (i = 0; i < BCH_REPLICAS_MAX; i++)
- printf("%12s", pr_units(u->fs.persistent_reserved[i], units));
- printf("\n");
+ pr_buf(out, "%s: ", bch2_data_types[r->r.data_type]);
+ pr_tab(out);
- printf("%-20s%12s\n", " online reserved:", pr_units(u->fs.online_reserved, units));
+ pr_buf(out, "%u/%u ", r->r.nr_required, r->r.nr_devs);
+ pr_tab(out);
- darray(struct dev_by_label) devs_by_label;
- darray_init(devs_by_label);
+ pr_buf(out, "%s ", devs);
+ pr_tab(out);
- for (i = 0; i < u->nr_devices; i++) {
- struct bch_ioctl_dev_usage *d = u->devs + i;
+ pr_sectors(out, r->sectors);
+ pr_tab_rjust(out);
+ pr_newline(out);
+}
- if (!d->alive)
- continue;
+#define for_each_usage_replica(_u, _r) \
+ for (_r = (_u)->replicas; \
+ _r != (void *) (_u)->replicas + (_u)->replica_entries_bytes;\
+ _r = replicas_usage_next(_r), \
+ BUG_ON((void *) _r > (void *) (_u)->replicas + (_u)->replica_entries_bytes))
+
+static void fs_usage_to_text(struct printbuf *out, const char *path)
+{
+ unsigned i;
+
+ struct bchfs_handle fs = bcache_fs_open(path);
+
+ struct dev_name *dev;
+ dev_names dev_names = bchu_fs_get_devices(fs);
+
+ struct bch_ioctl_fs_usage *u = bchu_fs_usage(fs);
+
+ pr_buf(out, "Filesystem: ");
+ pr_uuid(out, fs.uuid.b);
+ pr_newline(out);
+
+ out->tabstops[0] = 20;
+ out->tabstops[1] = 36;
+
+ pr_buf(out, "Size:");
+ pr_tab(out);
+ pr_sectors(out, u->capacity);
+ pr_tab_rjust(out);
+ pr_newline(out);
+
+ pr_buf(out, "Used:");
+ pr_tab(out);
+ pr_sectors(out, u->used);
+ pr_tab_rjust(out);
+ pr_newline(out);
+
+ pr_buf(out, "Online reserved:");
+ pr_tab(out);
+ pr_sectors(out, u->online_reserved);
+ pr_tab_rjust(out);
+ pr_newline(out);
+
+ pr_newline(out);
+
+ out->tabstops[0] = 16;
+ out->tabstops[1] = 32;
+ out->tabstops[2] = 50;
+ out->tabstops[3] = 68;
+
+ pr_buf(out, "Data type");
+ pr_tab(out);
+
+ pr_buf(out, "Required/total");
+ pr_tab(out);
+
+ pr_buf(out, "Devices");
+ pr_newline(out);
- char *label_attr = mprintf("dev-%u/label", i);
- char *label = read_file_str(fs.sysfs_fd, label_attr);
- free(label_attr);
+ for (i = 0; i < BCH_REPLICAS_MAX; i++) {
+ if (!u->persistent_reserved[i])
+ continue;
- darray_append(devs_by_label,
- (struct dev_by_label) { i, label });
+ pr_buf(out, "reserved:");
+ pr_tab(out);
+ pr_buf(out, "%u/%u ", 1, i);
+ pr_tab(out);
+ pr_buf(out, "[] ");
+ pr_sectors(out, u->persistent_reserved[i]);
+ pr_tab_rjust(out);
+ pr_newline(out);
}
- sort(&darray_item(devs_by_label, 0), darray_size(devs_by_label),
- sizeof(darray_item(devs_by_label, 0)), dev_by_label_cmp, NULL);
+ struct bch_replicas_usage *r;
+
+ for_each_usage_replica(u, r)
+ if (r->r.data_type < BCH_DATA_user)
+ replicas_usage_to_text(out, r, &dev_names);
- struct dev_by_label *d;
- darray_foreach(d, devs_by_label)
- print_dev_usage(u->devs + d->idx, d->idx, d->label, units);
+ for_each_usage_replica(u, r)
+ if (r->r.data_type == BCH_DATA_user &&
+ r->r.nr_required <= 1)
+ replicas_usage_to_text(out, r, &dev_names);
- darray_foreach(d, devs_by_label)
- free(d->label);
- darray_free(devs_by_label);
+ for_each_usage_replica(u, r)
+ if (r->r.data_type == BCH_DATA_user &&
+ r->r.nr_required > 1)
+ replicas_usage_to_text(out, r, &dev_names);
+
+ for_each_usage_replica(u, r)
+ if (r->r.data_type > BCH_DATA_user)
+ replicas_usage_to_text(out, r, &dev_names);
free(u);
+
+ sort(&darray_item(dev_names, 0), darray_size(dev_names),
+ sizeof(darray_item(dev_names, 0)), dev_by_label_cmp, NULL);
+
+ out->tabstops[0] = 16;
+ out->tabstops[1] = 36;
+ out->tabstops[2] = 52;
+ out->tabstops[3] = 68;
+
+ darray_foreach(dev, dev_names)
+ dev_usage_to_text(out, fs, dev);
+
+ darray_foreach(dev, dev_names) {
+ free(dev->dev);
+ free(dev->label);
+ }
+ darray_free(dev_names);
+
bcache_fs_close(fs);
}
+int fs_usage(void)
+{
+ puts("bcachefs fs - manage a running filesystem\n"
+ "Usage: bcachefs fs <CMD> [OPTION]... path\n"
+ "\n"
+ "Commands:\n"
+ " usage show disk usage\n"
+ "\n"
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
+ return 0;
+}
+
int cmd_fs_usage(int argc, char *argv[])
{
- enum units units = BYTES;
+ enum printbuf_units units = PRINTBUF_UNITS_BYTES;
+ struct printbuf buf = PRINTBUF;
char *fs;
int opt;
while ((opt = getopt(argc, argv, "h")) != -1)
switch (opt) {
case 'h':
- units = HUMAN_READABLE;
+ units = PRINTBUF_UNITS_HUMAN_READABLE;
break;
}
args_shift(optind);
if (!argc) {
- print_fs_usage(".", units);
+ printbuf_reset(&buf);
+ buf.units = units;
+ fs_usage_to_text(&buf, ".");
+ printf("%s", buf.buf);
} else {
- while ((fs = arg_pop()))
- print_fs_usage(fs, units);
+ while ((fs = arg_pop())) {
+ printbuf_reset(&buf);
+ buf.units = units;
+ fs_usage_to_text(&buf, fs);
+ printf("%s", buf.buf);
+ }
}
+ printbuf_exit(&buf);
return 0;
}
projects / bcachefs-tools-debian / blobdiff