#include "libbcachefs/bcachefs.h"
#include "libbcachefs/bcachefs_ioctl.h"
+#include "libbcachefs/errcode.h"
#include "libbcachefs/journal.h"
+#include "libbcachefs/sb-members.h"
#include "libbcachefs/super-io.h"
#include "cmds.h"
#include "libbcachefs.h"
#include "libbcachefs/opts.h"
#include "tools-util.h"
+int device_usage(void)
+{
+ puts("bcachefs device - manage devices within a running filesystem\n"
+ "Usage: bcachefs device <CMD> [OPTION]\n"
+ "\n"
+ "Commands:\n"
+ " add add a new device to an existing filesystem\n"
+ " remove remove a device from an existing filesystem\n"
+ " online re-add an existing member to a filesystem\n"
+ " offline take a device offline, without removing it\n"
+ " evacuate migrate data off a specific device\n"
+ " set-state mark a device as failed\n"
+ " resize resize filesystem on a device\n"
+ " resize-journal resize journal on a device\n"
+ "\n"
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
+ return 0;
+}
+
static void device_add_usage(void)
{
puts("bcachefs device add - add a device to an existing filesystem\n"
" -S, --fs_size=size Size of filesystem on device\n"
" -B, --bucket=size Bucket size\n"
" -D, --discard Enable discards\n"
- " -g, --group=group Disk group\n"
+ " -l, --label=label Disk label\n"
" -f, --force Use device even if it appears to already be formatted\n"
" -h, --help Display this help and exit\n"
"\n"
- "Report bugs to <linux-bcache@vger.kernel.org>");
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
}
int cmd_device_add(int argc, char *argv[])
{ "fs_size", required_argument, NULL, 'S' },
{ "bucket", required_argument, NULL, 'B' },
{ "discard", no_argument, NULL, 'D' },
- { "group", required_argument, NULL, 'g' },
+ { "label", required_argument, NULL, 'l' },
{ "force", no_argument, NULL, 'f' },
{ "help", no_argument, NULL, 'h' },
{ NULL }
case 'S':
if (bch2_strtoull_h(optarg, &dev_opts.size))
die("invalid filesystem size");
-
- dev_opts.size >>= 9;
break;
case 'B':
- dev_opts.bucket_size =
- hatoi_validate(optarg, "bucket size");
+ if (bch2_strtoull_h(optarg, &dev_opts.bucket_size))
+ die("bad bucket_size %s", optarg);
break;
case 'D':
dev_opts.discard = true;
break;
- case 'g':
- dev_opts.group = strdup(optarg);
+ case 'l':
+ dev_opts.label = strdup(optarg);
break;
case 'f':
force = true;
if (!fs_path)
die("Please supply a filesystem");
- char *dev_path = arg_pop();
- if (!dev_path)
+ dev_opts.path = arg_pop();
+ if (!dev_opts.path)
die("Please supply a device");
if (argc)
struct bchfs_handle fs = bcache_fs_open(fs_path);
- dev_opts.path = dev_path;
- dev_opts.fd = open_for_format(dev_opts.path, force);
+ int ret = open_for_format(&dev_opts, force);
+ if (ret)
+ die("Error opening %s: %s", dev_opts.path, strerror(-ret));
struct bch_opt_strs fs_opt_strs;
memset(&fs_opt_strs, 0, sizeof(fs_opt_strs));
struct bch_opts fs_opts = bch2_parse_opts(fs_opt_strs);
opt_set(fs_opts, block_size,
- read_file_u64(fs.sysfs_fd, "block_size") >> 9);
+ read_file_u64(fs.sysfs_fd, "options/block_size"));
opt_set(fs_opts, btree_node_size,
- read_file_u64(fs.sysfs_fd, "btree_node_size") >> 9);
+ read_file_u64(fs.sysfs_fd, "options/btree_node_size"));
struct bch_sb *sb = bch2_format(fs_opt_strs,
fs_opts,
format_opts,
&dev_opts, 1);
free(sb);
- fsync(dev_opts.fd);
- close(dev_opts.fd);
+ fsync(dev_opts.bdev->bd_buffered_fd);
+ close(dev_opts.bdev->bd_buffered_fd);
bchu_disk_add(fs, dev_opts.path);
return 0;
" -F, --force-metadata Force removal, even if some metadata\n"
" couldn't be migrated\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);
}
"Options:\n"
" -h, --help Display this help and exit\n"
"\n"
- "Report bugs to <linux-bcache@vger.kernel.org>");
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
}
int cmd_device_online(int argc, char *argv[])
" -f, --force Force, if data redundancy will be degraded\n"
" -h, --help Display this help and exit\n"
"\n"
- "Report bugs to <linux-bcache@vger.kernel.org>");
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
}
int cmd_device_offline(int argc, char *argv[])
"Options:\n"
" -h, --help Display this help and exit\n"
"\n"
- "Report bugs to <linux-bcache@vger.kernel.org>");
+ "Report bugs to <linux-bcachefs@vger.kernel.org>");
}
int cmd_device_evacuate(int argc, char *argv[])
int dev_idx;
struct bchfs_handle fs = bchu_fs_open_by_dev(dev_path, &dev_idx);
- struct bch_ioctl_dev_usage u = bchu_dev_usage(fs, dev_idx);
+ struct bch_ioctl_dev_usage_v2 *u = bchu_dev_usage(fs, dev_idx);
- if (u.state == BCH_MEMBER_STATE_rw) {
+ if (u->state == BCH_MEMBER_STATE_rw) {
printf("Setting %s readonly\n", dev_path);
bchu_disk_set_state(fs, dev_idx, BCH_MEMBER_STATE_ro, 0);
}
+ free(u);
+
return bchu_data(fs, (struct bch_ioctl_data) {
- .op = BCH_DATA_OP_MIGRATE,
+ .op = BCH_DATA_OP_migrate,
.start_btree = 0,
.start_pos = POS_MIN,
.end_btree = BTREE_ID_NR,
"\n"
"Options:\n"
" -f, --force Force, if data redundancy will be degraded\n"
+ " --force-if-data-lost Force, if data will be lost\n"
" -o, --offline Set state of an offline device\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[] = {
{ "force", 0, NULL, 'f' },
+ { "force-if-data-lost", 0, NULL, 'F' },
{ "offline", 0, NULL, 'o' },
{ "help", 0, NULL, 'h' },
{ NULL }
case 'f':
flags |= BCH_FORCE_IF_DEGRADED;
break;
+ case 'F':
+ flags |= BCH_FORCE_IF_DEGRADED;
+ flags |= BCH_FORCE_IF_LOST;
+ break;
case 'o':
offline = true;
break;
int ret = bch2_read_super(dev_str, &opts, &sb);
if (ret)
- die("error opening %s: %s", dev_str, strerror(-ret));
+ die("error opening %s: %s", dev_str, bch2_err_str(ret));
- struct bch_member *m = bch2_sb_get_members(sb.sb)->members + sb.sb->dev_idx;
+ struct bch_member *m = bch2_members_v2_get_mut(sb.sb, sb.sb->dev_idx);
SET_BCH_MEMBER_STATE(m, new_state);
le64_add_cpu(&sb.sb->seq, 1);
- bch2_super_write(sb.bdev->bd_fd, sb.sb);
+ bch2_super_write(sb.bdev->bd_buffered_fd, sb.sb);
+ ret = fsync(sb.bdev->bd_buffered_fd);
+ if (ret)
+ fprintf(stderr, "error writing superblock: fsync error (%m)");
bch2_free_super(&sb);
- return 0;
+ return ret;
}
char *fs_path = arg_pop();
"\n"
"Options:\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);
}
char *size_arg = arg_pop();
if (!size_arg)
- size = get_size(dev, dev_fd);
+ size = get_size(dev_fd);
else if (bch2_strtoull_h(size_arg, &size))
die("invalid size");
if (idx >= sb->nr_devices)
die("error reading superblock: dev idx >= sb->nr_devices");
- struct bch_sb_field_members *mi = bch2_sb_get_members(sb);
- if (!mi)
- die("error reading superblock: no member info");
+ struct bch_member m = bch2_sb_member_get(sb, idx);
- /* could also just read this out of sysfs... meh */
- struct bch_member *m = mi->members + idx;
+ u64 nbuckets = size / le16_to_cpu(m.bucket_size);
- u64 nbuckets = size / le16_to_cpu(m->bucket_size);
+ if (nbuckets < le64_to_cpu(m.nbuckets))
+ die("Shrinking not supported yet");
printf("resizing %s to %llu buckets\n", dev, nbuckets);
bchu_disk_resize(fs, idx, nbuckets);
struct bch_fs *c = bch2_fs_open(&dev, 1, bch2_opts_empty());
if (IS_ERR(c))
- die("error opening %s: %s", dev, strerror(-PTR_ERR(c)));
+ die("error opening %s: %s", dev, bch2_err_str(PTR_ERR(c)));
- struct bch_dev *ca, *resize = NULL;
- unsigned i;
+ struct bch_dev *resize = NULL;
- for_each_online_member(ca, c, i) {
+ for_each_online_member(c, ca) {
if (resize)
die("confused: more than one online device?");
resize = ca;
u64 nbuckets = size / le16_to_cpu(resize->mi.bucket_size);
+ if (nbuckets < le64_to_cpu(resize->mi.nbuckets))
+ die("Shrinking not supported yet");
+
printf("resizing %s to %llu buckets\n", dev, nbuckets);
int ret = bch2_dev_resize(c, resize, nbuckets);
if (ret)
- fprintf(stderr, "resize error: %s\n", strerror(-ret));
+ fprintf(stderr, "resize error: %s\n", bch2_err_str(ret));
percpu_ref_put(&resize->io_ref);
bch2_fs_stop(c);
static void device_resize_journal_usage(void)
{
puts("bcachefs device resize-journal \n"
- "Usage: bcachefs device resize-journal device [ size ]\n"
+ "Usage: bcachefs device resize-journal device size\n"
"\n"
"Options:\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);
}
char *size_arg = arg_pop();
if (!size_arg)
- size = get_size(dev, dev_fd);
+ die("Please supply a journal size");
else if (bch2_strtoull_h(size_arg, &size))
die("invalid size");
if (idx >= sb->nr_devices)
die("error reading superblock: dev idx >= sb->nr_devices");
- struct bch_sb_field_members *mi = bch2_sb_get_members(sb);
- if (!mi)
- die("error reading superblock: no member info");
-
- /* could also just read this out of sysfs... meh */
- struct bch_member *m = mi->members + idx;
+ struct bch_member m = bch2_sb_member_get(sb, idx);
- u64 nbuckets = size / le16_to_cpu(m->bucket_size);
+ u64 nbuckets = size / le16_to_cpu(m.bucket_size);
printf("resizing journal on %s to %llu buckets\n", dev, nbuckets);
bchu_disk_resize_journal(fs, idx, nbuckets);
struct bch_fs *c = bch2_fs_open(&dev, 1, bch2_opts_empty());
if (IS_ERR(c))
- die("error opening %s: %s", dev, strerror(-PTR_ERR(c)));
+ die("error opening %s: %s", dev, bch2_err_str(PTR_ERR(c)));
- struct bch_dev *ca, *resize = NULL;
- unsigned i;
+ struct bch_dev *resize = NULL;
- for_each_online_member(ca, c, i) {
+ for_each_online_member(c, ca) {
if (resize)
die("confused: more than one online device?");
resize = ca;
printf("resizing journal on %s to %llu buckets\n", dev, nbuckets);
int ret = bch2_set_nr_journal_buckets(c, resize, nbuckets);
if (ret)
- fprintf(stderr, "resize error: %s\n", strerror(-ret));
+ fprintf(stderr, "resize error: %s\n", bch2_err_str(ret));
percpu_ref_put(&resize->io_ref);
bch2_fs_stop(c);