1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
#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(struct bchfs_handle fs,
struct dev_name *d,
enum units units)
{
struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, d->idx);
u64 available = u.nr_buckets;
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");
for (i = BCH_DATA_SB; i < BCH_DATA_NR; i++) {
u64 frag = max((s64) u.buckets[i] * u.bucket_size -
(s64) u.sectors[i], 0LL);
printf_pad(20, " %s:", bch2_data_types[i]);
printf("%12s%12llu%12s\n",
pr_units(u.sectors[i], units),
u.buckets[i],
pr_units(frag, units));
if (i != BCH_DATA_CACHED)
available -= u.buckets[i];
}
printf_pad(20, " available:");
printf("%12s%12llu\n",
pr_units(available * u.bucket_size, units),
available);
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)
{
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 void print_fs_usage(const char *path, enum units units)
{
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 (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);
if (!r->sectors)
continue;
char devs[4096], *d = devs;
*d++ = '[';
for (i = 0; i < r->r.nr_devs; i++) {
unsigned dev_idx = r->r.devs[i];
if (i)
*d++ = ' ';
darray_foreach(dev, dev_names)
if (dev->idx == dev_idx)
goto found;
d = NULL;
found:
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));
}
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);
if (!argc) {
print_fs_usage(".", units);
} else {
while ((fs = arg_pop()))
print_fs_usage(fs, units);
}
return 0;
}
|
