diff options
Diffstat (limited to 'fs/btrfs/space-info.h')
| -rw-r--r-- | fs/btrfs/space-info.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h index a96efdb5e681..92b7f5e2b850 100644 --- a/fs/btrfs/space-info.h +++ b/fs/btrfs/space-info.h @@ -98,8 +98,18 @@ enum btrfs_flush_state { RESET_ZONES = 12, }; +enum btrfs_space_info_sub_group { + BTRFS_SUB_GROUP_PRIMARY, + BTRFS_SUB_GROUP_DATA_RELOC, + BTRFS_SUB_GROUP_TREELOG, +}; + +#define BTRFS_SPACE_INFO_SUB_GROUP_MAX 1 struct btrfs_space_info { struct btrfs_fs_info *fs_info; + struct btrfs_space_info *parent; + struct btrfs_space_info *sub_group[BTRFS_SPACE_INFO_SUB_GROUP_MAX]; + int subgroup_id; spinlock_t lock; u64 total_bytes; /* total bytes in the space, @@ -288,7 +298,7 @@ static inline void btrfs_space_info_free_bytes_may_use( btrfs_try_granting_tickets(space_info->fs_info, space_info); spin_unlock(&space_info->lock); } -int btrfs_reserve_data_bytes(struct btrfs_fs_info *fs_info, u64 bytes, +int btrfs_reserve_data_bytes(struct btrfs_space_info *space_info, u64 bytes, enum btrfs_reserve_flush_enum flush); void btrfs_dump_space_info_for_trans_abort(struct btrfs_fs_info *fs_info); void btrfs_init_async_reclaim_work(struct btrfs_fs_info *fs_info); |