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cmd_fs_usage: Hook up BCH_ACCT_dev_leaving

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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-10-31 13:06:32 -04:00
parent 73e7388245
commit 2b2ca8a8ee
1 changed files with 66 additions and 18 deletions
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84
c_src/cmd_fs.c
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@ -43,12 +43,19 @@ const char * const fs_usage_field_strs[] = {
NULL
};
struct dev_usage {
unsigned idx;
const char *label;
const char *dev;
struct bch_ioctl_dev_usage_v2 *u;
u64 leaving;
};
static void dev_usage_to_text(struct printbuf *out,
struct bchfs_handle fs,
struct dev_name *d,
struct dev_usage *d,
bool full)
{
struct bch_ioctl_dev_usage_v2 *u = bchu_dev_usage(fs, d->idx);
struct bch_ioctl_dev_usage_v2 *u = d->u;
u64 used = 0, capacity = u->nr_buckets * u->bucket_size;
for (unsigned type = 0; type < u->nr_data_types; type++)
@ -107,6 +114,21 @@ static int dev_by_label_cmp(const void *_l, const void *_r)
cmp_int(l->idx, r->idx);
}
static u64 dev_leaving_dev(struct bch_ioctl_query_accounting *in, unsigned dev)
{
for (struct bkey_i_accounting *a = in->accounting;
a < (struct bkey_i_accounting *) ((u64 *) in->accounting + in->accounting_u64s);
a = bkey_i_to_accounting(bkey_next(&a->k_i))) {
struct disk_accounting_pos acc_k;
bpos_to_disk_accounting_pos(&acc_k, a->k.p);
if (acc_k.dev_leaving.dev == dev)
return a->v.d[0];
}
return 0;
}
static void devs_usage_to_text(struct printbuf *out,
struct bchfs_handle fs,
dev_names dev_names,
@ -115,6 +137,24 @@ static void devs_usage_to_text(struct printbuf *out,
sort(dev_names.data, dev_names.nr,
sizeof(dev_names.data[0]), dev_by_label_cmp, NULL);
struct bch_ioctl_query_accounting *dev_leaving =
bchu_fs_accounting(fs, BIT(BCH_DISK_ACCOUNTING_dev_leaving));
DARRAY(struct dev_usage) dev_usage = {};
darray_for_each(dev_names, i)
darray_push(&dev_usage, ((struct dev_usage) {
.idx = i->idx,
.label = i->label,
.dev = i->dev,
.u = bchu_dev_usage(fs, i->idx),
.leaving = dev_leaving_dev(dev_leaving, i->idx),
}));
bool print_dev_leaving = false;
darray_for_each(dev_usage, i)
print_dev_leaving |= i->leaving != 0;
printbuf_tabstops_reset(out);
prt_newline(out);
@ -124,8 +164,8 @@ static void devs_usage_to_text(struct printbuf *out,
printbuf_tabstop_push(out, 16);
printbuf_tabstop_push(out, 14);
darray_for_each(dev_names, dev)
dev_usage_to_text(out, fs, dev, full);
darray_for_each(dev_usage, d)
dev_usage_to_text(out, d, full);
} else {
printbuf_tabstop_push(out, 32);
printbuf_tabstop_push(out, 12);
@ -133,11 +173,15 @@ static void devs_usage_to_text(struct printbuf *out,
printbuf_tabstop_push(out, 10);
printbuf_tabstop_push(out, 10);
printbuf_tabstop_push(out, 6);
printbuf_tabstop_push(out, 10);
prt_printf(out, "Device label\tDevice\tState\tSize\rUsed\rUse%%\r\n");
prt_printf(out, "Device label\tDevice\tState\tSize\rUsed\rUse%%\r");
if (print_dev_leaving)
prt_printf(out, "Leaving\r");
prt_newline(out);
darray_for_each(dev_names, d) {
struct bch_ioctl_dev_usage_v2 *u = bchu_dev_usage(fs, d->idx);
darray_for_each(dev_usage, d) {
struct bch_ioctl_dev_usage_v2 *u = d->u;
u64 used = 0, capacity = u->nr_buckets * u->bucket_size;
for (unsigned type = 0; type < u->nr_data_types; type++)
@ -153,13 +197,15 @@ static void devs_usage_to_text(struct printbuf *out,
prt_tab_rjust(out);
prt_units_u64(out, used << 9);
prt_printf(out, "\r%02u%%\r\n", (unsigned) (used * 100 / capacity));
}
}
prt_printf(out, "\r%02u%%\r", (unsigned) (used * 100 / capacity));
darray_for_each(dev_names, dev) {
free(dev->dev);
free(dev->label);
if (d->leaving) {
prt_units_u64(out, d->leaving << 9);
prt_tab_rjust(out);
}
prt_newline(out);
}
}
}
@ -603,13 +649,15 @@ static void fs_usage_to_text(struct printbuf *out, const char *path,
dev_names dev_names = bchu_fs_get_devices(fs);
if (!fs_usage_v1_to_text(out, fs, dev_names, fields))
goto devs;
if (fs_usage_v1_to_text(out, fs, dev_names, fields))
fs_usage_v0_to_text(out, fs, dev_names, fields);
fs_usage_v0_to_text(out, fs, dev_names, fields);
devs:
devs_usage_to_text(out, fs, dev_names, fields & FS_USAGE_devices);
darray_for_each(dev_names, dev) {
free(dev->dev);
free(dev->label);
}
darray_exit(&dev_names);
bcache_fs_close(fs);