mirror of
https://github.com/koverstreet/bcachefs-tools.git
synced 2025-01-23 00:07:07 +03:00
323 lines
6.5 KiB
C
323 lines
6.5 KiB
C
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <uuid/uuid.h>
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#include "ccan/darray/darray.h"
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#include "linux/sort.h"
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#include "libbcachefs/bcachefs_ioctl.h"
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#include "libbcachefs/opts.h"
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#include "cmds.h"
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#include "libbcachefs.h"
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static void dev_usage_type_to_text(struct printbuf *out,
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const char *type,
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unsigned bucket_size,
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u64 buckets, u64 sectors)
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{
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u64 frag = max((s64) buckets * bucket_size - (s64) sectors, 0LL);
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pr_buf(out, "%s:", type);
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pr_tab(out);
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pr_sectors(out, sectors);
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pr_tab_rjust(out);
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pr_buf(out, "%llu", buckets);
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pr_tab_rjust(out);
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pr_sectors(out, frag);
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pr_tab_rjust(out);
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pr_newline(out);
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}
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static void dev_usage_to_text(struct printbuf *out,
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struct bchfs_handle fs,
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struct dev_name *d)
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{
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struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, d->idx);
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unsigned i;
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pr_newline(out);
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pr_buf(out, "%s (device %u):", d->label ?: "(no label)", d->idx);
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pr_tab(out);
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pr_buf(out, "%s", d->dev ?: "(device not found)");
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pr_tab_rjust(out);
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pr_buf(out, "%s", bch2_member_states[u.state]);
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pr_tab_rjust(out);
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pr_newline(out);
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pr_indent_push(out, 2);
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pr_tab(out);
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pr_buf(out, "data");
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pr_tab_rjust(out);
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pr_buf(out, "buckets");
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pr_tab_rjust(out);
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pr_buf(out, "fragmented");
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pr_tab_rjust(out);
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pr_newline(out);
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for (i = BCH_DATA_sb; i < BCH_DATA_NR; i++)
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dev_usage_type_to_text(out,
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bch2_data_types[i],
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u.bucket_size,
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u.buckets[i],
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u.sectors[i]);
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dev_usage_type_to_text(out,
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"erasure coded",
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u.bucket_size,
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u.ec_buckets,
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u.ec_sectors);
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pr_buf(out, "available:");
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pr_tab(out);
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pr_sectors(out, u.available_buckets * u.bucket_size);
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pr_tab_rjust(out);
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pr_buf(out, "%llu", u.available_buckets);
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pr_tab_rjust(out);
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pr_newline(out);
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pr_buf(out, "capacity:");
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pr_tab(out);
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pr_sectors(out, u.nr_buckets * u.bucket_size);
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pr_tab_rjust(out);
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pr_buf(out, "%llu", u.nr_buckets);
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pr_tab_rjust(out);
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pr_indent_pop(out, 2);
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pr_newline(out);
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}
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static int dev_by_label_cmp(const void *_l, const void *_r)
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{
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const struct dev_name *l = _l, *r = _r;
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return (l->label && r->label
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? strcmp(l->label, r->label) : 0) ?:
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(l->dev && r->dev
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? strcmp(l->dev, r->dev) : 0) ?:
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cmp_int(l->idx, r->idx);
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}
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static struct dev_name *dev_idx_to_name(dev_names *dev_names, unsigned idx)
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{
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struct dev_name *dev;
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darray_foreach(dev, *dev_names)
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if (dev->idx == idx)
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return dev;
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return NULL;
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}
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static void replicas_usage_to_text(struct printbuf *out,
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const struct bch_replicas_usage *r,
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dev_names *dev_names)
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{
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unsigned i;
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if (!r->sectors)
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return;
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char devs[4096], *d = devs;
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*d++ = '[';
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for (i = 0; i < r->r.nr_devs; i++) {
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unsigned dev_idx = r->r.devs[i];
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struct dev_name *dev = dev_idx_to_name(dev_names, dev_idx);
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if (i)
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*d++ = ' ';
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d += dev && dev->dev
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? sprintf(d, "%s", dev->dev)
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: sprintf(d, "%u", dev_idx);
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}
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*d++ = ']';
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*d++ = '\0';
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pr_buf(out, "%s: ", bch2_data_types[r->r.data_type]);
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pr_tab(out);
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pr_buf(out, "%u/%u ", r->r.nr_required, r->r.nr_devs);
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pr_tab(out);
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pr_buf(out, "%s ", devs);
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pr_tab(out);
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pr_sectors(out, r->sectors);
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pr_tab_rjust(out);
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pr_newline(out);
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}
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#define for_each_usage_replica(_u, _r) \
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for (_r = (_u)->replicas; \
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_r != (void *) (_u)->replicas + (_u)->replica_entries_bytes;\
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_r = replicas_usage_next(_r), \
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BUG_ON((void *) _r > (void *) (_u)->replicas + (_u)->replica_entries_bytes))
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static void fs_usage_to_text(struct printbuf *out, const char *path)
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{
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unsigned i;
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struct bchfs_handle fs = bcache_fs_open(path);
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struct dev_name *dev;
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dev_names dev_names = bchu_fs_get_devices(fs);
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struct bch_ioctl_fs_usage *u = bchu_fs_usage(fs);
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pr_buf(out, "Filesystem: ");
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pr_uuid(out, fs.uuid.b);
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pr_newline(out);
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out->tabstops[0] = 20;
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out->tabstops[1] = 36;
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pr_buf(out, "Size:");
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pr_tab(out);
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pr_sectors(out, u->capacity);
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pr_tab_rjust(out);
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pr_newline(out);
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pr_buf(out, "Used:");
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pr_tab(out);
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pr_sectors(out, u->used);
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pr_tab_rjust(out);
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pr_newline(out);
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pr_buf(out, "Online reserved:");
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pr_tab(out);
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pr_sectors(out, u->online_reserved);
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pr_tab_rjust(out);
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pr_newline(out);
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pr_newline(out);
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out->tabstops[0] = 16;
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out->tabstops[1] = 32;
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out->tabstops[2] = 50;
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out->tabstops[3] = 68;
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pr_buf(out, "Data type");
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pr_tab(out);
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pr_buf(out, "Required/total");
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pr_tab(out);
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pr_buf(out, "Devices");
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pr_newline(out);
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for (i = 0; i < BCH_REPLICAS_MAX; i++) {
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if (!u->persistent_reserved[i])
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continue;
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pr_buf(out, "reserved:");
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pr_tab(out);
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pr_buf(out, "%u/%u ", 1, i);
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pr_tab(out);
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pr_buf(out, "[] ");
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pr_sectors(out, u->persistent_reserved[i]);
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pr_tab_rjust(out);
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pr_newline(out);
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}
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struct bch_replicas_usage *r;
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for_each_usage_replica(u, r)
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if (r->r.data_type < BCH_DATA_user)
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replicas_usage_to_text(out, r, &dev_names);
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for_each_usage_replica(u, r)
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if (r->r.data_type == BCH_DATA_user &&
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r->r.nr_required <= 1)
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replicas_usage_to_text(out, r, &dev_names);
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for_each_usage_replica(u, r)
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if (r->r.data_type == BCH_DATA_user &&
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r->r.nr_required > 1)
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replicas_usage_to_text(out, r, &dev_names);
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for_each_usage_replica(u, r)
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if (r->r.data_type > BCH_DATA_user)
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replicas_usage_to_text(out, r, &dev_names);
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free(u);
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sort(&darray_item(dev_names, 0), darray_size(dev_names),
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sizeof(darray_item(dev_names, 0)), dev_by_label_cmp, NULL);
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out->tabstops[0] = 16;
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out->tabstops[1] = 36;
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out->tabstops[2] = 52;
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out->tabstops[3] = 68;
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darray_foreach(dev, dev_names)
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dev_usage_to_text(out, fs, dev);
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darray_foreach(dev, dev_names) {
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free(dev->dev);
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free(dev->label);
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}
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darray_free(dev_names);
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bcache_fs_close(fs);
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}
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int fs_usage(void)
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{
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puts("bcachefs fs - manage a running filesystem\n"
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"Usage: bcachefs fs <CMD> [OPTION]... path\n"
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"\n"
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"Commands:\n"
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" usage show disk usage\n"
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"\n"
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"Report bugs to <linux-bcachefs@vger.kernel.org>");
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return 0;
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}
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int cmd_fs_usage(int argc, char *argv[])
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{
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enum printbuf_units units = PRINTBUF_UNITS_BYTES;
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struct printbuf buf = PRINTBUF;
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char *fs;
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int opt;
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while ((opt = getopt(argc, argv, "h")) != -1)
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switch (opt) {
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case 'h':
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units = PRINTBUF_UNITS_HUMAN_READABLE;
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break;
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}
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args_shift(optind);
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if (!argc) {
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printbuf_reset(&buf);
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buf.units = units;
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fs_usage_to_text(&buf, ".");
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printf("%s", buf.buf);
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} else {
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while ((fs = arg_pop())) {
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printbuf_reset(&buf);
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buf.units = units;
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fs_usage_to_text(&buf, fs);
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printf("%s", buf.buf);
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}
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}
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printbuf_exit(&buf);
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return 0;
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}
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