--- /dev/null
+#include <getopt.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+
+#include <uuid/uuid.h>
+
+#include "linux/sort.h"
+
+#include "libbcachefs/bcachefs_ioctl.h"
+#include "libbcachefs/darray.h"
+#include "libbcachefs/opts.h"
+#include "libbcachefs/super-io.h"
+
+#include "cmds.h"
+#include "libbcachefs.h"
+
+static void __dev_usage_type_to_text(struct printbuf *out,
+ const char *type,
+ unsigned bucket_size,
+ u64 buckets, u64 sectors, u64 frag)
+{
+ prt_printf(out, "%s:", type);
+ prt_tab(out);
+
+ prt_units_u64(out, sectors << 9);
+ prt_tab_rjust(out);
+
+ prt_printf(out, "%llu", buckets);
+ prt_tab_rjust(out);
+
+ if (frag) {
+ prt_units_u64(out, frag << 9);
+ prt_tab_rjust(out);
+ }
+ prt_newline(out);
+}
+
+static void dev_usage_type_to_text(struct printbuf *out,
+ struct bch_ioctl_dev_usage_v2 *u,
+ enum bch_data_type type)
+{
+ u64 sectors = 0;
+ switch (type) {
+ case BCH_DATA_free:
+ case BCH_DATA_need_discard:
+ case BCH_DATA_need_gc_gens:
+ /* sectors are 0 for these types so calculate sectors for them */
+ sectors = u->d[type].buckets * u->bucket_size;
+ break;
+ default:
+ sectors = u->d[type].sectors;
+ }
+
+ __dev_usage_type_to_text(out, bch2_data_types[type],
+ u->bucket_size,
+ u->d[type].buckets,
+ sectors,
+ u->d[type].fragmented);
+}
+
+static void dev_usage_to_text(struct printbuf *out,
+ struct bchfs_handle fs,
+ struct dev_name *d)
+{
+ struct bch_ioctl_dev_usage_v2 *u = bchu_dev_usage(fs, d->idx);
+
+ prt_newline(out);
+ prt_printf(out, "%s (device %u):", d->label ?: "(no label)", d->idx);
+ prt_tab(out);
+ prt_str(out, d->dev ?: "(device not found)");
+ prt_tab_rjust(out);
+
+ prt_str(out, bch2_member_states[u->state]);
+ prt_tab_rjust(out);
+
+ prt_newline(out);
+
+ printbuf_indent_add(out, 2);
+ prt_tab(out);
+
+ prt_str(out, "data");
+ prt_tab_rjust(out);
+
+ prt_str(out, "buckets");
+ prt_tab_rjust(out);
+
+ prt_str(out, "fragmented");
+ prt_tab_rjust(out);
+
+ prt_newline(out);
+
+ for (unsigned i = 0; i < u->nr_data_types; i++)
+ dev_usage_type_to_text(out, u, i);
+
+ prt_str(out, "capacity:");
+ prt_tab(out);
+
+ prt_units_u64(out, (u->nr_buckets * u->bucket_size) << 9);
+ prt_tab_rjust(out);
+ prt_printf(out, "%llu", u->nr_buckets);
+ prt_tab_rjust(out);
+
+ printbuf_indent_sub(out, 2);
+
+ prt_newline(out);
+ free(u);
+}
+
+static int dev_by_label_cmp(const void *_l, const void *_r)
+{
+ const struct dev_name *l = _l, *r = _r;
+
+ 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 struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
+{
+ darray_for_each(*dev_names, dev)
+ 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)
+{
+ if (!r->sectors)
+ return;
+
+ char devs[4096], *d = devs;
+ *d++ = '[';
+
+ unsigned durability = 0;
+
+ for (unsigned 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);
+
+ durability += dev->durability;
+
+ if (i)
+ *d++ = ' ';
+
+ d += dev && dev->dev
+ ? sprintf(d, "%s", dev->dev)
+ : sprintf(d, "%u", dev_idx);
+ }
+ *d++ = ']';
+ *d++ = '\0';
+
+ prt_printf(out, "%s: ", bch2_data_types[r->r.data_type]);
+ prt_tab(out);
+
+ prt_printf(out, "%u/%u ", r->r.nr_required, r->r.nr_devs);
+ prt_tab(out);
+
+ prt_printf(out, "%u ", durability);
+ prt_tab(out);
+
+ prt_printf(out, "%s ", devs);
+ prt_tab(out);
+
+ prt_units_u64(out, r->sectors << 9);
+ prt_tab_rjust(out);
+ prt_newline(out);
+}
+
+#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);
+
+ dev_names dev_names = bchu_fs_get_devices(fs);
+
+ struct bch_ioctl_fs_usage *u = bchu_fs_usage(fs);
+
+ prt_str(out, "Filesystem: ");
+ pr_uuid(out, fs.uuid.b);
+ prt_newline(out);
+
+ printbuf_tabstops_reset(out);
+ printbuf_tabstop_push(out, 20);
+ printbuf_tabstop_push(out, 16);
+
+ prt_str(out, "Size:");
+ prt_tab(out);
+ prt_units_u64(out, u->capacity << 9);
+ prt_tab_rjust(out);
+ prt_newline(out);
+
+ prt_str(out, "Used:");
+ prt_tab(out);
+ prt_units_u64(out, u->used << 9);
+ prt_tab_rjust(out);
+ prt_newline(out);
+
+ prt_str(out, "Online reserved:");
+ prt_tab(out);
+ prt_units_u64(out, u->online_reserved << 9);
+ prt_tab_rjust(out);
+ prt_newline(out);
+
+ prt_newline(out);
+
+ printbuf_tabstops_reset(out);
+
+ printbuf_tabstop_push(out, 16);
+ prt_str(out, "Data type");
+ prt_tab(out);
+
+ printbuf_tabstop_push(out, 16);
+ prt_str(out, "Required/total");
+ prt_tab(out);
+
+ printbuf_tabstop_push(out, 14);
+ prt_str(out, "Durability");
+ prt_tab(out);
+
+ printbuf_tabstop_push(out, 14);
+ prt_str(out, "Devices");
+ prt_newline(out);
+
+ printbuf_tabstop_push(out, 14);
+
+ for (i = 0; i < BCH_REPLICAS_MAX; i++) {
+ if (!u->persistent_reserved[i])
+ continue;
+
+ prt_str(out, "reserved:");
+ prt_tab(out);
+ prt_printf(out, "%u/%u ", 1, i);
+ prt_tab(out);
+ prt_str(out, "[] ");
+ prt_units_u64(out, u->persistent_reserved[i] << 9);
+ prt_tab_rjust(out);
+ prt_newline(out);
+ }
+
+ 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);
+
+ 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 &&
+ 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(dev_names.data, dev_names.nr,
+ sizeof(dev_names.data[0]), dev_by_label_cmp, NULL);
+
+ printbuf_tabstops_reset(out);
+ printbuf_tabstop_push(out, 16);
+ printbuf_tabstop_push(out, 20);
+ printbuf_tabstop_push(out, 16);
+ printbuf_tabstop_push(out, 14);
+
+ darray_for_each(dev_names, dev)
+ dev_usage_to_text(out, fs, dev);
+
+ darray_for_each(dev_names, dev) {
+ free(dev->dev);
+ free(dev->label);
+ }
+ darray_exit(&dev_names);
+
+ bcache_fs_close(fs);
+}
+
+static void fs_usage_usage(void)
+{
+ puts("bcachefs fs usage - display detailed filesystem usage\n"
+ "Usage: bcachefs fs usage [OPTION]... <mountpoint>\n"
+ "\n"
+ "Options:\n"
+ " -h, --human-readable Human readable units\n"
+ " -H, --help Display this help and exit\n"
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
+}
+
+int cmd_fs_usage(int argc, char *argv[])
+{
+ static const struct option longopts[] = {
+ { "help", no_argument, NULL, 'H' },
+ { "human-readable", no_argument, NULL, 'h' },
+ { NULL }
+ };
+ bool human_readable = false;
+ struct printbuf buf = PRINTBUF;
+ char *fs;
+ int opt;
+
+ while ((opt = getopt_long(argc, argv, "h",
+ longopts, NULL)) != -1)
+ switch (opt) {
+ case 'h':
+ human_readable = true;
+ break;
+ case 'H':
+ fs_usage_usage();
+ exit(EXIT_SUCCESS);
+ default:
+ fs_usage_usage();
+ exit(EXIT_FAILURE);
+ }
+ args_shift(optind);
+
+ if (!argc) {
+ printbuf_reset(&buf);
+ buf.human_readable_units = human_readable;
+ fs_usage_to_text(&buf, ".");
+ printf("%s", buf.buf);
+ } else {
+ while ((fs = arg_pop())) {
+ printbuf_reset(&buf);
+ buf.human_readable_units = human_readable;
+ fs_usage_to_text(&buf, fs);
+ printf("%s", buf.buf);
+ }
+ }
+
+ printbuf_exit(&buf);
+ return 0;
+}
projects / bcachefs-tools-debian / blobdiff