136 struct send_ctx {  struct
368 static void inconsistent_snapshot_error(struct send_ctx *sctx,  in inconsistent_snapshot_error()
402 static bool proto_cmd_ok(const struct send_ctx *sctx, int cmd)  in proto_cmd_ok()
412 static int is_waiting_for_move(struct send_ctx *sctx, u64 ino);
415 get_waiting_dir_move(struct send_ctx *sctx, u64 ino);
417 static int is_waiting_for_rm(struct send_ctx *sctx, u64 dir_ino, u64 gen);
419 static int need_send_hole(struct send_ctx *sctx)  in need_send_hole()
659 static int tlv_put(struct send_ctx *sctx, u16 attr, const void *data, int len)  in tlv_put()
681 	static int tlv_put_u##bits(struct send_ctx *sctx,	 	\
692 static int tlv_put_string(struct send_ctx *sctx, u16 attr,  in tlv_put_string()
700 static int tlv_put_uuid(struct send_ctx *sctx, u16 attr,  in tlv_put_uuid()
706 static int tlv_put_btrfs_timespec(struct send_ctx *sctx, u16 attr,  in tlv_put_btrfs_timespec()
760 static int send_header(struct send_ctx *sctx)  in send_header()
773 static int begin_cmd(struct send_ctx *sctx, int cmd)  in begin_cmd()
789 static int send_cmd(struct send_ctx *sctx)  in send_cmd()
814 static int send_rename(struct send_ctx *sctx,  in send_rename()
839 static int send_link(struct send_ctx *sctx,  in send_link()
864 static int send_unlink(struct send_ctx *sctx, struct fs_path *path)  in send_unlink()
887 static int send_rmdir(struct send_ctx *sctx, struct fs_path *path)  in send_rmdir()
1279 	struct send_ctx *sctx;
1403 	struct send_ctx *sctx = bctx->sctx;  in lookup_backref_cache()
1443 	struct send_ctx *sctx = bctx->sctx;  in store_backref_cache()
1516 	const struct send_ctx *sctx = bctx->sctx;  in check_extent_item()
1569 static int find_extent_clone(struct send_ctx *sctx,  in find_extent_clone()
1807 static int gen_unique_name(struct send_ctx *sctx,  in gen_unique_name()
1883 static int get_cur_inode_state(struct send_ctx *sctx, u64 ino, u64 gen,  in get_cur_inode_state()
1955 static int is_inode_existent(struct send_ctx *sctx, u64 ino, u64 gen,  in is_inode_existent()
2120 static int will_overwrite_ref(struct send_ctx *sctx, u64 dir, u64 dir_gen,  in will_overwrite_ref()
2182 static int did_overwrite_ref(struct send_ctx *sctx,  in did_overwrite_ref()
2253 static int did_overwrite_first_ref(struct send_ctx *sctx, u64 ino, u64 gen)  in did_overwrite_first_ref()
2279 static inline struct name_cache_entry *name_cache_search(struct send_ctx *sctx,  in name_cache_search()
2299 static int __get_cur_name_and_parent(struct send_ctx *sctx,  in __get_cur_name_and_parent()
2434 static int get_cur_path(struct send_ctx *sctx, u64 ino, u64 gen,  in get_cur_path()
2501 static int send_subvol_begin(struct send_ctx *sctx)  in send_subvol_begin()
2589 static int send_truncate(struct send_ctx *sctx, u64 ino, u64 gen, u64 size)  in send_truncate()
2619 static int send_chmod(struct send_ctx *sctx, u64 ino, u64 gen, u64 mode)  in send_chmod()
2649 static int send_fileattr(struct send_ctx *sctx, u64 ino, u64 gen, u64 fileattr)  in send_fileattr()
2682 static int send_chown(struct send_ctx *sctx, u64 ino, u64 gen, u64 uid, u64 gid)  in send_chown()
2714 static int send_utimes(struct send_ctx *sctx, u64 ino, u64 gen)  in send_utimes()
2783 static int cache_dir_utimes(struct send_ctx *sctx, u64 dir, u64 gen)  in cache_dir_utimes()
2810 static int trim_dir_utimes_cache(struct send_ctx *sctx)  in trim_dir_utimes_cache()
2835 static int send_create_inode(struct send_ctx *sctx, u64 ino)  in send_create_inode()
2918 static void cache_dir_created(struct send_ctx *sctx, u64 dir)  in cache_dir_created()
2940 static int did_create_dir(struct send_ctx *sctx, u64 dir)  in did_create_dir()
2994 static int send_create_inode_if_needed(struct send_ctx *sctx)  in send_create_inode_if_needed()
3079 static void free_recorded_refs(struct send_ctx *sctx)  in free_recorded_refs()
3090 static int orphanize_inode(struct send_ctx *sctx, u64 ino, u64 gen,  in orphanize_inode()
3111 static struct orphan_dir_info *add_orphan_dir_info(struct send_ctx *sctx,  in add_orphan_dir_info()
3146 static struct orphan_dir_info *get_orphan_dir_info(struct send_ctx *sctx,  in get_orphan_dir_info()
3168 static int is_waiting_for_rm(struct send_ctx *sctx, u64 dir_ino, u64 gen)  in is_waiting_for_rm()
3175 static void free_orphan_dir_info(struct send_ctx *sctx,  in free_orphan_dir_info()
3189 static int can_rmdir(struct send_ctx *sctx, u64 dir, u64 dir_gen)  in can_rmdir()
3321 static int is_waiting_for_move(struct send_ctx *sctx, u64 ino)  in is_waiting_for_move()
3328 static int add_waiting_dir_move(struct send_ctx *sctx, u64 ino, bool orphanized)  in add_waiting_dir_move()
3361 get_waiting_dir_move(struct send_ctx *sctx, u64 ino)  in get_waiting_dir_move()
3378 static void free_waiting_dir_move(struct send_ctx *sctx,  in free_waiting_dir_move()
3387 static int add_pending_dir_move(struct send_ctx *sctx,  in add_pending_dir_move()
3455 static struct pending_dir_move *get_pending_dir_moves(struct send_ctx *sctx,  in get_pending_dir_moves()
3473 static int path_loop(struct send_ctx *sctx, struct fs_path *name,  in path_loop()
3515 static int apply_dir_move(struct send_ctx *sctx, struct pending_dir_move *pm)  in apply_dir_move()
3657 static void free_pending_move(struct send_ctx *sctx, struct pending_dir_move *m)  in free_pending_move()
3667 static void tail_append_pending_moves(struct send_ctx *sctx,  in tail_append_pending_moves()
3685 static int apply_children_dir_moves(struct send_ctx *sctx)  in apply_children_dir_moves()
3755 static int wait_for_dest_dir_move(struct send_ctx *sctx,  in wait_for_dest_dir_move()
3961 static int wait_for_parent_move(struct send_ctx *sctx,  in wait_for_parent_move()
4062 static int update_ref_path(struct send_ctx *sctx, struct recorded_ref *ref)  in update_ref_path()
4133 static int refresh_ref_path(struct send_ctx *sctx, struct recorded_ref *ref)  in refresh_ref_path()
4161 static int process_recorded_refs(struct send_ctx *sctx, int *pending_move)  in process_recorded_refs()
4653 			      struct send_ctx *sctx)  in record_ref_in_tree()
4697 	struct send_ctx *sctx = ctx;  in record_new_ref_if_needed()
4727 	struct send_ctx *sctx = ctx;  in record_deleted_ref_if_needed()
4753 static int record_new_ref(struct send_ctx *sctx)  in record_new_ref()
4767 static int record_deleted_ref(struct send_ctx *sctx)  in record_deleted_ref()
4782 static int record_changed_ref(struct send_ctx *sctx)  in record_changed_ref()
4804 static int process_all_refs(struct send_ctx *sctx,  in process_all_refs()
4864 static int send_set_xattr(struct send_ctx *sctx,  in send_set_xattr()
4886 static int send_remove_xattr(struct send_ctx *sctx,  in send_remove_xattr()
4911 	struct send_ctx *sctx = ctx;  in __process_new_xattr()
4955 	struct send_ctx *sctx = ctx;  in __process_deleted_xattr()
4973 static int process_new_xattr(struct send_ctx *sctx)  in process_new_xattr()
4983 static int process_deleted_xattr(struct send_ctx *sctx)  in process_deleted_xattr()
5051 	struct send_ctx *sctx = ctx;  in __process_changed_new_xattr()
5081 	struct send_ctx *sctx = ctx;  in __process_changed_deleted_xattr()
5094 static int process_changed_xattr(struct send_ctx *sctx)  in process_changed_xattr()
5109 static int process_all_new_xattrs(struct send_ctx *sctx)  in process_all_new_xattrs()
5146 static int send_verity(struct send_ctx *sctx, struct fs_path *path,  in send_verity()
5172 static int process_verity(struct send_ctx *sctx)  in process_verity()
5224 static inline u64 max_send_read_size(const struct send_ctx *sctx)  in max_send_read_size()
5229 static int put_data_header(struct send_ctx *sctx, u32 len)  in put_data_header()
5256 static int put_file_data(struct send_ctx *sctx, u64 offset, u32 len)  in put_file_data()
5327 static int send_write(struct send_ctx *sctx, u64 offset, u32 len)  in send_write()
5364 static int send_clone(struct send_ctx *sctx,  in send_clone()
5436 static int send_update_extent(struct send_ctx *sctx,  in send_update_extent()
5466 static int send_hole(struct send_ctx *sctx, u64 end)  in send_hole()
5521 static int send_encoded_inline_extent(struct send_ctx *sctx,  in send_encoded_inline_extent()
5587 static int send_encoded_extent(struct send_ctx *sctx, struct btrfs_path *path,  in send_encoded_extent()
5692 static int send_extent_data(struct send_ctx *sctx, struct btrfs_path *path,  in send_extent_data()
5815 static int send_capabilities(struct send_ctx *sctx)  in send_capabilities()
5866 static int clone_range(struct send_ctx *sctx, struct btrfs_path *dst_path,  in clone_range()
6135 static int send_write_or_clone(struct send_ctx *sctx,  in send_write_or_clone()
6167 static int is_extent_unchanged(struct send_ctx *sctx,  in is_extent_unchanged()
6357 static int get_last_extent(struct send_ctx *sctx, u64 offset)  in get_last_extent()
6387 static int range_is_hole_in_parent(struct send_ctx *sctx,  in range_is_hole_in_parent()
6453 static int maybe_send_hole(struct send_ctx *sctx, struct btrfs_path *path,  in maybe_send_hole()
6496 static int process_extent(struct send_ctx *sctx,  in process_extent()
6556 static int process_all_extents(struct send_ctx *sctx)  in process_all_extents()
6592 static int process_recorded_refs_if_needed(struct send_ctx *sctx, int at_end,  in process_recorded_refs_if_needed()
6615 static int finish_inode_if_needed(struct send_ctx *sctx, int at_end)  in finish_inode_if_needed()
6793 static void close_current_inode(struct send_ctx *sctx)  in close_current_inode()
6817 static int changed_inode(struct send_ctx *sctx,  in changed_inode()
7035 static int changed_ref(struct send_ctx *sctx,  in changed_ref()
7063 static int changed_xattr(struct send_ctx *sctx,  in changed_xattr()
7090 static int changed_extent(struct send_ctx *sctx,  in changed_extent()
7120 static int changed_verity(struct send_ctx *sctx, enum btrfs_compare_tree_result result)  in changed_verity()
7131 static int dir_changed(struct send_ctx *sctx, u64 dir)  in dir_changed()
7147 static int compare_refs(struct send_ctx *sctx, struct btrfs_path *path,  in compare_refs()
7195 		      struct send_ctx *sctx)  in changed_cb()
7292 static int search_key_again(const struct send_ctx *sctx,  in search_key_again()
7325 static int full_send_tree(struct send_ctx *sctx)  in full_send_tree()
7566 				    const struct send_ctx *sctx)  in restart_after_relocation()
7646 			struct btrfs_root *right_root, struct send_ctx *sctx)  in btrfs_compare_trees()
7931 static int send_subvol(struct send_ctx *sctx)  in send_subvol()
7976 static int ensure_commit_roots_uptodate(struct send_ctx *sctx)  in ensure_commit_roots_uptodate()
8016 static int flush_delalloc_roots(struct send_ctx *sctx)  in flush_delalloc_roots()
8068 	struct send_ctx *sctx = NULL;  in btrfs_ioctl_send()
8118 	sctx = kzalloc(sizeof(struct send_ctx), GFP_KERNEL);  in btrfs_ioctl_send()