+#include <stdio.h>
+#include <sys/ioctl.h>
+
+#include <uuid/uuid.h>
+
+#include "ccan/darray/darray.h"
+
+#include "linux/sort.h"
+
+#include "libbcachefs/bcachefs_ioctl.h"
+#include "libbcachefs/opts.h"
+
#include "cmds.h"
+#include "libbcachefs.h"
+
+static void print_dev_usage_type(const char *type,
+ unsigned bucket_size,
+ u64 buckets, u64 sectors,
+ enum units units)
+{
+ u64 frag = max((s64) buckets * bucket_size - (s64) sectors, 0LL);
+
+ printf_pad(20, " %s:", type);
+ printf("%12s%12llu%12s\n",
+ pr_units(sectors, units),
+ buckets,
+ pr_units(frag, units));
+}
+
+static void print_dev_usage(struct bchfs_handle fs,
+ struct dev_name *d,
+ enum units units)
+{
+ struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, d->idx);
+ unsigned i;
+
+ printf("\n");
+ printf_pad(20, "%s (device %u):", d->label ?: "(no label)", d->idx);
+ printf("%24s%12s\n", d->dev ?: "(device not found)", bch2_dev_state[u.state]);
+
+ printf("%-20s%12s%12s%12s\n",
+ "", "data", "buckets", "fragmented");
-struct bcache_fs {
- /* options... */
+ for (i = BCH_DATA_sb; i < BCH_DATA_NR; i++) {
+ print_dev_usage_type(bch2_data_types[i],
+ u.bucket_size,
+ u.buckets[i],
+ u.sectors[i],
+ units);
+ }
- u64 capacity;
+ print_dev_usage_type("erasure coded",
+ u.bucket_size,
+ u.ec_buckets,
+ u.ec_sectors,
+ units);
- /* XXX: dirty != used, it doesn't count metadata */
- u64 bytes_dirty;
-};
+ printf_pad(20, " available:");
+ printf("%12s%12llu\n",
+ pr_units(u.available_buckets * u.bucket_size, units),
+ u.available_buckets);
-#if 0
-static struct bcache_fs fill_fs(struct bcache_handle fs)
+ printf_pad(20, " capacity:");
+ printf("%12s%12llu\n",
+ pr_units(u.nr_buckets * u.bucket_size, units),
+ u.nr_buckets);
+}
+
+static int dev_by_label_cmp(const void *_l, const void *_r)
{
- return (struct bcache_fs) {
- };
+ 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);
}
-#endif
-int cmd_fs_show(int argc, char *argv[])
+static struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
{
- if (argc != 2)
- die("Please supply a filesystem");
+ struct dev_name *dev;
- struct bcache_handle fs = bcache_fs_open(argv[1]);
+ darray_foreach(dev, *dev_names)
+ if (dev->idx == idx)
+ return dev;
- fs = fs;
- return 0;
+ return NULL;
+}
+
+static void print_replicas_usage(const struct bch_replicas_usage *r,
+ dev_names *dev_names, enum units units)
+{
+ unsigned i;
+
+ if (!r->sectors)
+ return;
+
+ char devs[4096], *d = devs;
+ *d++ = '[';
+
+ 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);
+
+ if (i)
+ *d++ = ' ';
+
+ d += dev && dev->dev
+ ? sprintf(d, "%s", dev->dev)
+ : sprintf(d, "%u", dev_idx);
+ }
+ *d++ = ']';
+ *d++ = '\0';
+
+ printf_pad(16, "%s: ", bch2_data_types[r->r.data_type]);
+ printf_pad(16, "%u/%u ", r->r.nr_required, r->r.nr_devs);
+ printf_pad(32, "%s ", devs);
+ printf(" %s\n", pr_units(r->sectors, units));
}
-int cmd_fs_set(int argc, char *argv[])
+#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 print_fs_usage(const char *path, enum units units)
{
- if (argc != 2)
- die("Please supply a filesystem");
+ unsigned i;
+ char uuid[40];
+
+ 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);
+
+ uuid_unparse(fs.uuid.b, uuid);
+ printf("Filesystem %s:\n", uuid);
+
+ printf("%-20s%12s\n", "Size:", pr_units(u->capacity, units));
+ printf("%-20s%12s\n", "Used:", pr_units(u->used, units));
+
+ printf("%-20s%12s\n", "Online reserved:", pr_units(u->online_reserved, units));
+
+ printf("\n");
+ printf("%-16s%-16s%s\n", "Data type", "Required/total", "Devices");
+
+ for (i = 0; i < BCH_REPLICAS_MAX; i++) {
+ if (!u->persistent_reserved[i])
+ continue;
+
+ printf_pad(16, "%s: ", "reserved");
+ printf_pad(16, "%u/%u ", 1, i);
+ printf_pad(32, "[] ");
+ printf("%s\n", pr_units(u->persistent_reserved[i], units));
+ }
+
+ struct bch_replicas_usage *r;
+
+ for_each_usage_replica(u, r)
+ if (r->r.data_type < BCH_DATA_user)
+ print_replicas_usage(r, &dev_names, units);
+
+ for_each_usage_replica(u, r)
+ if (r->r.data_type == BCH_DATA_user &&
+ r->r.nr_required <= 1)
+ print_replicas_usage(r, &dev_names, units);
+
+ for_each_usage_replica(u, r)
+ if (r->r.data_type == BCH_DATA_user &&
+ r->r.nr_required > 1)
+ print_replicas_usage(r, &dev_names, units);
+
+ for_each_usage_replica(u, r)
+ if (r->r.data_type > BCH_DATA_user)
+ print_replicas_usage(r, &dev_names, units);
+
+ free(u);
+
+ sort(&darray_item(dev_names, 0), darray_size(dev_names),
+ sizeof(darray_item(dev_names, 0)), dev_by_label_cmp, NULL);
+
+ darray_foreach(dev, dev_names)
+ print_dev_usage(fs, dev, units);
+
+ darray_foreach(dev, dev_names) {
+ free(dev->dev);
+ free(dev->label);
+ }
+ darray_free(dev_names);
+
+ bcache_fs_close(fs);
+}
+
+int cmd_fs_usage(int argc, char *argv[])
+{
+ enum units units = BYTES;
+ char *fs;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "h")) != -1)
+ switch (opt) {
+ case 'h':
+ units = HUMAN_READABLE;
+ break;
+ }
+ args_shift(optind);
- struct bcache_handle fs = bcache_fs_open(argv[1]);
+ if (!argc) {
+ print_fs_usage(".", units);
+ } else {
+ while ((fs = arg_pop()))
+ print_fs_usage(fs, units);
+ }
- fs = fs;
return 0;
}