#include <uuid/uuid.h>
-#include "ccan/darray/darray.h"
-
#include "cmds.h"
#include "libbcachefs.h"
#include "crypto.h"
+#include "libbcachefs/darray.h"
+#include "libbcachefs/errcode.h"
#include "libbcachefs/opts.h"
#include "libbcachefs/super-io.h"
#include "libbcachefs/util.h"
x(0, replicas, required_argument) \
x(0, encrypted, no_argument) \
x(0, no_passphrase, no_argument) \
-x('L', label, required_argument) \
+x('L', fs_label, required_argument) \
x('U', uuid, required_argument) \
x(0, fs_size, required_argument) \
+x(0, superblock_size, required_argument) \
x(0, bucket_size, required_argument) \
-x('g', group, required_argument) \
+x('l', label, required_argument) \
x(0, discard, no_argument) \
x(0, data_allowed, required_argument) \
x(0, durability, required_argument) \
+x(0, version, required_argument) \
+x(0, no_initialize, no_argument) \
x('f', force, no_argument) \
x('q', quiet, no_argument) \
+x('v', verbose, no_argument) \
x('h', help, no_argument)
static void usage(void)
" --replicas=# Sets both data and metadata replicas\n"
" --encrypted Enable whole filesystem encryption (chacha20/poly1305)\n"
" --no_passphrase Don't encrypt master encryption key\n"
- " -L, --label=label\n"
+ " -L, --fs_label=label\n"
" -U, --uuid=uuid\n"
+ " --superblock_size=size\n"
"\n"
"Device specific options:");
bch2_opts_usage(OPT_DEVICE);
- puts(" -g, --group=label Disk group\n"
+ puts(" -l, --label=label Disk label\n"
"\n"
" -f, --force\n"
" -q, --quiet Only print errors\n"
+ " -v, --verbose Verbose filesystem initialization\n"
" -h, --help Display this help and exit\n"
"\n"
"Device specific options must come before corresponding devices, e.g.\n"
- " bcachefs format --group cache /dev/sdb /dev/sdc\n"
+ " bcachefs format --label cache /dev/sdb /dev/sdc\n"
"\n"
- "Report bugs to <linux-bcache@vger.kernel.org>");
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
}
enum {
int cmd_format(int argc, char *argv[])
{
- darray(struct dev_opts) devices;
+ DARRAY(struct dev_opts) devices = { 0 };
+ DARRAY(char *) device_paths = { 0 };
struct format_opts opts = format_opts_default();
- struct dev_opts dev_opts = dev_opts_default(), *dev;
- bool force = false, no_passphrase = false, quiet = false;
+ struct dev_opts dev_opts = dev_opts_default();
+ bool force = false, no_passphrase = false, quiet = false, initialize = true, verbose = false;
+ bool unconsumed_dev_option = false;
unsigned v;
int opt;
- darray_init(devices);
-
struct bch_opt_strs fs_opt_strs =
bch2_cmdline_opts_get(&argc, argv, OPT_FORMAT);
struct bch_opts fs_opts = bch2_parse_opts(fs_opt_strs);
while ((opt = getopt_long(argc, argv,
- "-L:U:g:fqh",
+ "-L:U:g:fqhv",
format_opts,
NULL)) != -1)
switch (opt) {
case O_no_passphrase:
no_passphrase = true;
break;
- case O_label:
+ case O_fs_label:
case 'L':
opts.label = optarg;
break;
case O_fs_size:
if (bch2_strtoull_h(optarg, &dev_opts.size))
die("invalid filesystem size");
+ unconsumed_dev_option = true;
+ break;
+ case O_superblock_size:
+ if (bch2_strtouint_h(optarg, &opts.superblock_size))
+ die("invalid filesystem size");
- dev_opts.size >>= 9;
+ opts.superblock_size >>= 9;
break;
case O_bucket_size:
- dev_opts.bucket_size =
- hatoi_validate(optarg, "bucket size");
+ if (bch2_strtoull_h(optarg, &dev_opts.bucket_size))
+ die("bad bucket_size %s", optarg);
+ unconsumed_dev_option = true;
break;
- case O_group:
- case 'g':
- dev_opts.group = optarg;
+ case O_label:
+ case 'l':
+ dev_opts.label = optarg;
+ unconsumed_dev_option = true;
break;
case O_discard:
dev_opts.discard = true;
+ unconsumed_dev_option = true;
break;
case O_data_allowed:
dev_opts.data_allowed =
read_flag_list_or_die(optarg,
bch2_data_types, "data type");
+ unconsumed_dev_option = true;
break;
case O_durability:
if (kstrtouint(optarg, 10, &dev_opts.durability) ||
dev_opts.durability > BCH_REPLICAS_MAX)
die("invalid durability");
+ unconsumed_dev_option = true;
+ break;
+ case O_version:
+ if (kstrtouint(optarg, 10, &opts.version))
+ die("invalid version");
+ break;
+ case O_no_initialize:
+ initialize = false;
break;
case O_no_opt:
+ darray_push(&device_paths, optarg);
dev_opts.path = optarg;
- darray_append(devices, dev_opts);
+ darray_push(&devices, dev_opts);
dev_opts.size = 0;
+ unconsumed_dev_option = false;
break;
case O_quiet:
case 'q':
quiet = true;
break;
+ case 'v':
+ verbose = true;
case O_help:
case 'h':
usage();
break;
}
- if (darray_empty(devices))
+ if (unconsumed_dev_option)
+ die("Options for devices apply to subsequent devices; got a device option with no device");
+
+ if (opts.version != bcachefs_metadata_version_current)
+ initialize = false;
+
+ if (!devices.nr)
die("Please supply a device");
- if (opts.encrypted && !no_passphrase)
+ if (opts.encrypted && !no_passphrase) {
opts.passphrase = read_passphrase_twice("Enter passphrase: ");
+ initialize = false;
+ }
- darray_foreach(dev, devices)
- dev->fd = open_for_format(dev->path, force);
+ darray_for_each(devices, dev) {
+ int ret = open_for_format(dev, force);
+ if (ret)
+ die("Error opening %s: %s", dev_opts.path, strerror(-ret));
+ }
struct bch_sb *sb =
bch2_format(fs_opt_strs,
fs_opts,
opts,
- devices.item, darray_size(devices));
+ devices.data, devices.nr);
+ bch2_opt_strs_free(&fs_opt_strs);
- if (!quiet)
- bch2_sb_print(sb, false, 1 << BCH_SB_FIELD_members, HUMAN_READABLE);
+ if (!quiet) {
+ struct printbuf buf = PRINTBUF;
+
+ buf.human_readable_units = true;
+
+ bch2_sb_to_text(&buf, sb, false, 1 << BCH_SB_FIELD_members_v2);
+ printf("%s", buf.buf);
+
+ printbuf_exit(&buf);
+ }
free(sb);
if (opts.passphrase) {
free(opts.passphrase);
}
- darray_free(devices);
+ darray_exit(&devices);
+
+ if (initialize) {
+ struct bch_opts mount_opts = bch2_opts_empty();
+
+
+ opt_set(mount_opts, verbose, verbose);
+
+ /*
+ * Start the filesystem once, to allocate the journal and create
+ * the root directory:
+ */
+ struct bch_fs *c = bch2_fs_open(device_paths.data,
+ device_paths.nr,
+ mount_opts);
+ if (IS_ERR(c))
+ die("error opening %s: %s", device_paths.data[0],
+ bch2_err_str(PTR_ERR(c)));
+
+ bch2_fs_stop(c);
+ }
+
+ darray_exit(&device_paths);
return 0;
}
"\n"
"Options:\n"
" -f, --fields=(fields) list of sections to print\n"
+ " --field-only=fiel) print superblock section only, no header\n"
" -l, --layout print superblock layout\n"
" -h, --help display this help and exit\n"
- "Report bugs to <linux-bcache@vger.kernel.org>");
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
exit(EXIT_SUCCESS);
}
{
static const struct option longopts[] = {
{ "fields", 1, NULL, 'f' },
+ { "field-only", 1, NULL, 'F' },
{ "layout", 0, NULL, 'l' },
{ "help", 0, NULL, 'h' },
{ NULL }
};
- unsigned fields = 1 << BCH_SB_FIELD_members;
+ unsigned fields = 0;
+ int field_only = -1;
bool print_layout = false;
+ bool print_default_fields = true;
int opt;
while ((opt = getopt_long(argc, argv, "f:lh", longopts, NULL)) != -1)
? ~0
: read_flag_list_or_die(optarg,
bch2_sb_fields, "superblock field");
+ print_default_fields = false;
+ break;
+ case 'F':
+ field_only = read_string_list_or_die(optarg,
+ bch2_sb_fields, "superblock field");
+ print_default_fields = false;
break;
case 'l':
print_layout = true;
struct bch_sb_handle sb;
int ret = bch2_read_super(dev, &opts, &sb);
if (ret)
- die("Error opening %s: %s", dev, strerror(-ret));
+ die("Error opening %s: %s", dev, bch2_err_str(ret));
+
+ if (print_default_fields) {
+ fields |= bch2_sb_field_get(sb.sb, members_v2)
+ ? 1 << BCH_SB_FIELD_members_v2
+ : 1 << BCH_SB_FIELD_members_v1;
+ fields |= 1 << BCH_SB_FIELD_errors;
+ }
+
+ struct printbuf buf = PRINTBUF;
+
+ buf.human_readable_units = true;
+
+ if (field_only >= 0) {
+ struct bch_sb_field *f = bch2_sb_field_get_id(sb.sb, field_only);
+
+ if (f)
+ __bch2_sb_field_to_text(&buf, sb.sb, f);
+ } else {
+ bch2_sb_to_text(&buf, sb.sb, print_layout, fields);
+ }
+ printf("%s", buf.buf);
- bch2_sb_print(sb.sb, print_layout, fields, HUMAN_READABLE);
bch2_free_super(&sb);
+ printbuf_exit(&buf);
return 0;
}