diff options
Diffstat (limited to 'fs/btrfs/qgroup.h')
| -rw-r--r-- | fs/btrfs/qgroup.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 706640be0ec2..deb479d176a9 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -123,7 +123,6 @@ struct btrfs_inode; /* * Record a dirty extent, and info qgroup to update quota on it - * TODO: Use kmem cache to alloc it. */ struct btrfs_qgroup_extent_record { struct rb_node node; @@ -279,6 +278,14 @@ struct btrfs_qgroup { struct kobject kobj; }; +/* Glue structure to represent the relations between qgroups. */ +struct btrfs_qgroup_list { + struct list_head next_group; + struct list_head next_member; + struct btrfs_qgroup *group; + struct btrfs_qgroup *member; +}; + struct btrfs_squota_delta { /* The fstree root this delta counts against. */ u64 root; @@ -312,9 +319,9 @@ enum btrfs_qgroup_mode { BTRFS_QGROUP_MODE_SIMPLE }; -enum btrfs_qgroup_mode btrfs_qgroup_mode(struct btrfs_fs_info *fs_info); -bool btrfs_qgroup_enabled(struct btrfs_fs_info *fs_info); -bool btrfs_qgroup_full_accounting(struct btrfs_fs_info *fs_info); +enum btrfs_qgroup_mode btrfs_qgroup_mode(const struct btrfs_fs_info *fs_info); +bool btrfs_qgroup_enabled(const struct btrfs_fs_info *fs_info); +bool btrfs_qgroup_full_accounting(const struct btrfs_fs_info *fs_info); int btrfs_quota_enable(struct btrfs_fs_info *fs_info, struct btrfs_ioctl_quota_ctl_args *quota_ctl_args); int btrfs_quota_disable(struct btrfs_fs_info *fs_info); @@ -322,11 +329,13 @@ int btrfs_qgroup_rescan(struct btrfs_fs_info *fs_info); void btrfs_qgroup_rescan_resume(struct btrfs_fs_info *fs_info); int btrfs_qgroup_wait_for_completion(struct btrfs_fs_info *fs_info, bool interruptible); -int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans, u64 src, u64 dst); +int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans, u64 src, u64 dst, + struct btrfs_qgroup_list *prealloc); int btrfs_del_qgroup_relation(struct btrfs_trans_handle *trans, u64 src, u64 dst); int btrfs_create_qgroup(struct btrfs_trans_handle *trans, u64 qgroupid); int btrfs_remove_qgroup(struct btrfs_trans_handle *trans, u64 qgroupid); +int btrfs_qgroup_cleanup_dropped_subvolume(struct btrfs_fs_info *fs_info, u64 subvolid); int btrfs_limit_qgroup(struct btrfs_trans_handle *trans, u64 qgroupid, struct btrfs_qgroup_limit *limit); int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info); @@ -361,7 +370,7 @@ void btrfs_qgroup_free_refroot(struct btrfs_fs_info *fs_info, enum btrfs_qgroup_rsv_type type); #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS -int btrfs_verify_qgroup_counts(struct btrfs_fs_info *fs_info, u64 qgroupid, +int btrfs_verify_qgroup_counts(const struct btrfs_fs_info *fs_info, u64 qgroupid, u64 rfer, u64 excl); #endif @@ -431,9 +440,9 @@ int btrfs_qgroup_add_swapped_blocks(struct btrfs_trans_handle *trans, int btrfs_qgroup_trace_subtree_after_cow(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *eb); void btrfs_qgroup_destroy_extent_records(struct btrfs_transaction *trans); -bool btrfs_check_quota_leak(struct btrfs_fs_info *fs_info); +bool btrfs_check_quota_leak(const struct btrfs_fs_info *fs_info); void btrfs_free_squota_rsv(struct btrfs_fs_info *fs_info, u64 root, u64 rsv_bytes); int btrfs_record_squota_delta(struct btrfs_fs_info *fs_info, - struct btrfs_squota_delta *delta); + const struct btrfs_squota_delta *delta); #endif |