#include <sys/types.h>
#include <unistd.h>
+#include "libbcachefs/bcachefs.h"
#include "libbcachefs/bcachefs_ioctl.h"
+#include "libbcachefs/journal.h"
#include "libbcachefs/super-io.h"
#include "cmds.h"
#include "libbcachefs.h"
if (!path)
die("Please supply filesystem to remove device from");
- dev_idx = (intptr_t) arg_pop();
- if (!dev_idx)
+ char *dev_str = arg_pop();
+ if (!dev_str)
die("Please supply device id");
+ errno = 0;
+ dev_idx = strtoul(dev_str, NULL, 10);
+ if (errno)
+ die("Error parsing device id: %m");
+
fs = bcache_fs_open(path);
} else {
char *dev = arg_pop();
unsigned 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);
+
+ 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);
+ }
+
return bchu_data(fs, (struct bch_ioctl_data) {
.op = BCH_DATA_OP_MIGRATE,
.start = POS_MIN,
"\n"
"Options:\n"
" -f, --force Force, if data redundancy will be degraded\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>");
exit(EXIT_SUCCESS);
{
static const struct option longopts[] = {
{ "force", 0, NULL, 'f' },
+ { "offline", 0, NULL, 'o' },
{ "help", 0, NULL, 'h' },
{ NULL }
};
int opt, flags = 0;
+ bool offline = false;
- while ((opt = getopt_long(argc, argv, "fh", longopts, NULL)) != -1)
+ while ((opt = getopt_long(argc, argv, "foh", longopts, NULL)) != -1)
switch (opt) {
case 'f':
flags |= BCH_FORCE_IF_DEGRADED;
break;
+ case 'o':
+ offline = true;
+ break;
case 'h':
device_set_state_usage();
}
die("Please supply a device state");
unsigned new_state = read_string_list_or_die(new_state_str,
- bch2_dev_state, "device state");
+ bch2_member_states, "device state");
- unsigned dev_idx;
- struct bchfs_handle fs = bchu_fs_open_by_dev(dev_path, &dev_idx);
+ if (!offline) {
+ unsigned dev_idx;
+ struct bchfs_handle fs = bchu_fs_open_by_dev(dev_path, &dev_idx);
+
+ bchu_disk_set_state(fs, dev_idx, new_state, flags);
+
+ bcache_fs_close(fs);
+ } else {
+ struct bch_opts opts = bch2_opts_empty();
+ struct bch_sb_handle sb = { NULL };
+
+ int ret = bch2_read_super(dev_path, &opts, &sb);
+ if (ret)
+ die("error opening %s: %s", dev_path, strerror(-ret));
+
+ struct bch_member *m = bch2_sb_get_members(sb.sb)->members + 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_free_super(&sb);
+ }
- bchu_disk_set_state(fs, dev_idx, new_state, flags);
return 0;
}
}
return 0;
}
+
+static void device_resize_journal_usage(void)
+{
+ puts("bcachefs device resize-journal \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>");
+ exit(EXIT_SUCCESS);
+}
+
+int cmd_device_resize_journal(int argc, char *argv[])
+{
+ static const struct option longopts[] = {
+ { "help", 0, NULL, 'h' },
+ { NULL }
+ };
+ u64 size;
+ int opt;
+
+ while ((opt = getopt_long(argc, argv, "h", longopts, NULL)) != -1)
+ switch (opt) {
+ case 'h':
+ device_resize_journal_usage();
+ }
+ args_shift(optind);
+
+ char *dev = arg_pop();
+ if (!dev)
+ die("Please supply a device");
+
+ int dev_fd = xopen(dev, O_RDONLY);
+
+ char *size_arg = arg_pop();
+ if (!size_arg)
+ size = get_size(dev, dev_fd);
+ else if (bch2_strtoull_h(size_arg, &size))
+ die("invalid size");
+
+ size >>= 9;
+
+ if (argc)
+ die("Too many arguments");
+
+ struct stat dev_stat = xfstat(dev_fd);
+
+ struct mntent *mount = dev_to_mount(dev);
+ if (mount) {
+ if (!S_ISBLK(dev_stat.st_mode))
+ die("%s is mounted but isn't a block device?!", dev);
+
+ struct bchfs_handle fs = bcache_fs_open(mount->mnt_dir);
+
+ unsigned idx = bchu_disk_get_idx(fs, dev_stat.st_rdev);
+
+ struct bch_sb *sb = bchu_read_super(fs, -1);
+ 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;
+
+ 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);
+ } else {
+ printf("%s is offline - starting:\n", dev);
+
+ 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)));
+
+ struct bch_dev *ca, *resize = NULL;
+ unsigned i;
+
+ for_each_online_member(ca, c, i) {
+ if (resize)
+ die("confused: more than one online device?");
+ resize = ca;
+ percpu_ref_get(&resize->io_ref);
+ }
+
+ u64 nbuckets = size / le16_to_cpu(resize->mi.bucket_size);
+
+ 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));
+
+ percpu_ref_put(&resize->io_ref);
+ bch2_fs_stop(c);
+ }
+ return 0;
+}
projects / bcachefs-tools-debian / blobdiff