From bed92eae26ccf280d1a2168b7509447b56675a27 Mon Sep 17 00:00:00 2001 From: Arne Jansen Date: Thu, 28 Jun 2012 18:03:02 +0200 Subject: Btrfs: qgroup implementation and prototypes Signed-off-by: Arne Jansen Signed-off-by: Jan Schmidt --- fs/btrfs/ctree.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) (limited to 'fs/btrfs/ctree.h') diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index a5269d4a164f..ccba9b684c96 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2830,6 +2830,8 @@ int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans, int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range); int btrfs_init_space_info(struct btrfs_fs_info *fs_info); +int btrfs_delayed_refs_qgroup_accounting(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info); /* ctree.c */ int btrfs_bin_search(struct extent_buffer *eb, struct btrfs_key *key, int level, int *slot); @@ -3339,6 +3341,50 @@ void btrfs_reada_detach(void *handle); int btree_readahead_hook(struct btrfs_root *root, struct extent_buffer *eb, u64 start, int err); +/* qgroup.c */ +struct qgroup_update { + struct list_head list; + struct btrfs_delayed_ref_node *node; + struct btrfs_delayed_extent_op *extent_op; +}; + +int btrfs_quota_enable(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info); +int btrfs_quota_disable(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info); +int btrfs_quota_rescan(struct btrfs_fs_info *fs_info); +int btrfs_add_qgroup_relation(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, u64 src, u64 dst); +int btrfs_del_qgroup_relation(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, u64 src, u64 dst); +int btrfs_create_qgroup(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, u64 qgroupid, + char *name); +int btrfs_remove_qgroup(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, u64 qgroupid); +int btrfs_limit_qgroup(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, u64 qgroupid, + struct btrfs_qgroup_limit *limit); +int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info); +void btrfs_free_qgroup_config(struct btrfs_fs_info *fs_info); +struct btrfs_delayed_extent_op; +int btrfs_qgroup_record_ref(struct btrfs_trans_handle *trans, + struct btrfs_delayed_ref_node *node, + struct btrfs_delayed_extent_op *extent_op); +int btrfs_qgroup_account_ref(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, + struct btrfs_delayed_ref_node *node, + struct btrfs_delayed_extent_op *extent_op); +int btrfs_run_qgroups(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info); +int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info, u64 srcid, u64 objectid, + struct btrfs_qgroup_inherit *inherit); +int btrfs_qgroup_reserve(struct btrfs_root *root, u64 num_bytes); +void btrfs_qgroup_free(struct btrfs_root *root, u64 num_bytes); + +void assert_qgroups_uptodate(struct btrfs_trans_handle *trans); + static inline int is_fstree(u64 rootid) { if (rootid == BTRFS_FS_TREE_OBJECTID || -- cgit v1.2.3