fs/bcachefs/disk_groups_format.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _BCACHEFS_DISK_GROUPS_FORMAT_H
   3 #define _BCACHEFS_DISK_GROUPS_FORMAT_H
   4
   5 #define BCH_SB_LABEL_SIZE               32
   6
   7 struct bch_disk_group {
   8         __u8                    label[BCH_SB_LABEL_SIZE];
   9         __le64                  flags[2];
  10 } __packed __aligned(8);
  11
  12 LE64_BITMASK(BCH_GROUP_DELETED,         struct bch_disk_group, flags[0], 0,  1)
  13 LE64_BITMASK(BCH_GROUP_DATA_ALLOWED,    struct bch_disk_group, flags[0], 1,  6)
  14 LE64_BITMASK(BCH_GROUP_PARENT,          struct bch_disk_group, flags[0], 6, 24)
  15
  16 struct bch_sb_field_disk_groups {
  17         struct bch_sb_field     field;
  18         struct bch_disk_group   entries[];
  19 } __packed __aligned(8);
  20
  21 #endif /* _BCACHEFS_DISK_GROUPS_FORMAT_H */