1824 struct btrfs_root {  struct
1828 	struct btrfs_root *log_root;  argument
1829 	struct btrfs_root *reloc_root;  argument
1832 	struct btrfs_root_item root_item;  argument
1833 	struct btrfs_key root_key;
1834 	struct btrfs_fs_info *fs_info;
1835 	struct extent_io_tree dirty_log_pages;
1837 	struct mutex objectid_mutex;
1839 	spinlock_t accounting_lock;
1840 	struct btrfs_block_rsv *block_rsv;
1843 	struct btrfs_free_space_ctl *free_ino_ctl;
1844 	enum btrfs_caching_type ino_cache_state;
1845 	spinlock_t ino_cache_lock;
1846 	wait_queue_head_t ino_cache_wait;
1847 	struct btrfs_free_space_ctl *free_ino_pinned;
1848 	u64 ino_cache_progress;
1849 	struct inode *ino_cache_inode;
1851 	struct mutex log_mutex;
1852 	wait_queue_head_t log_writer_wait;
1853 	wait_queue_head_t log_commit_wait[2];
1854 	struct list_head log_ctxs[2];
1855 	atomic_t log_writers;
1856 	atomic_t log_commit[2];
1857 	atomic_t log_batch;
1858 	int log_transid;
1860 	int log_transid_committed;
1862 	int last_log_commit;
1863 	pid_t log_start_pid;
1865 	u64 objectid;
1866 	u64 last_trans;
1869 	u32 sectorsize;
1872 	u32 nodesize;
1874 	u32 stripesize;
1876 	u32 type;
1878 	u64 highest_objectid;
1881 	u64 alloc_bytenr;
1883 	u64 defrag_trans_start;
1884 	struct btrfs_key defrag_progress;
1885 	struct btrfs_key defrag_max;
1886 	char *name;
1889 	struct list_head dirty_list;
1891 	struct list_head root_list;
1893 	spinlock_t log_extents_lock[2];
1894 	struct list_head logged_list[2];
1896 	spinlock_t orphan_lock;
1897 	atomic_t orphan_inodes;
1898 	struct btrfs_block_rsv *orphan_block_rsv;
1899 	int orphan_cleanup_state;
1901 	spinlock_t inode_lock;
1903 	struct rb_root inode_tree;
1909 	struct radix_tree_root delayed_nodes_tree;
1914 	dev_t anon_dev;
1916 	spinlock_t root_item_lock;
1917 	atomic_t refs;
1919 	struct mutex delalloc_mutex;
1920 	spinlock_t delalloc_lock;
1926 	struct list_head delalloc_inodes;
1927 	struct list_head delalloc_root;
1928 	u64 nr_delalloc_inodes;
1930 	struct mutex ordered_extent_mutex;
1935 	spinlock_t ordered_extent_lock;
1942 	struct list_head ordered_extents;
1943 	struct list_head ordered_root;
1944 	u64 nr_ordered_extents;
1950 	int send_in_progress;
1951 	struct btrfs_subvolume_writers *subv_writers;
1952 	atomic_t will_be_snapshoted;