file_systems/btrfs/btrfs.h

13 typedef uint64 fileblock_t;		// file block number
14 typedef uint64 fsblock_t;		// filesystem block number
26 	uint64	root;
27 	uint64	root_generation;
28 	uint64	chunk_root;
29 	uint64	chunk_root_generation;
30 	uint64	extent_root;
31 	uint64	extent_root_generation;
32 	uint64	fs_root;
33 	uint64	fs_root_generation;
34 	uint64	device_root;
35 	uint64	device_root_generation;
36 	uint64	csum_root;
37 	uint64	csum_root_generation;
38 	uint64	total_size;
39 	uint64	used_size;
40 	uint64	num_devices;
50 	uint64 Root() const { return B_LENDIAN_TO_HOST_INT64(root); }
51 	uint64 RootGen() const
53 	uint64 ChunkRoot() const { return B_LENDIAN_TO_HOST_INT64(chunk_root); }
54 	uint64 ChunkRootGen() const
56 	uint64 ExtentRoot() const { return B_LENDIAN_TO_HOST_INT64(extent_root); }
57 	uint64 ExtentRootGen() const
59 	uint64 FSRoot() const { return B_LENDIAN_TO_HOST_INT64(fs_root); }
60 	uint64 FSRootGen() const
62 	uint64 DeviceRoot() const { return B_LENDIAN_TO_HOST_INT64(device_root); }
63 	uint64 DeviceRootGen() const
65 	uint64 CSumRoot() const { return B_LENDIAN_TO_HOST_INT64(csum_root); }
66 	uint64 CSumRootGen() const
78 	uint64	object_id;
80 	uint64	offset;
82 	uint64	ObjectID() const { return B_LENDIAN_TO_HOST_INT64(object_id); }
84 	uint64	Offset() const { return B_LENDIAN_TO_HOST_INT64(offset); }
85 	void SetObjectID(uint64 id) { object_id = B_HOST_TO_LENDIAN_INT64(id); }
87 	void SetOffset(uint64 off) { offset = B_HOST_TO_LENDIAN_INT64(off); }
94 	uint64	seconds;
102 	uint64	logical_address;
103 	uint64	flags;
105 	uint64	generation;
106 	uint64	owner;
109 	uint64 LogicalAddress() const
111 	uint64 Flags() const { return B_LENDIAN_TO_HOST_INT64(flags); }
112 	uint64 Generation() const
114 	uint64 Owner() const
120 	void SetLogicalAddress(uint64 logical)
122 	void SetGeneration(uint64 gen)
131 	uint64	logical_address;
132 	uint64	generation;
133 	uint64 LogicalAddress() const
135 	uint64 Generation() const
138 	void SetLogicalAddress(uint64 address)
140 	void SetGeneration(uint64 gen)
168 	uint64	device_id;
169 	uint64	offset;
171 	uint64	DeviceID() const { return B_LENDIAN_TO_HOST_INT64(device_id); }
172 	uint64	Offset() const { return B_LENDIAN_TO_HOST_INT64(offset); }
177 	uint64	length;
178 	uint64	owner;
179 	uint64	stripe_length;
180 	uint64	type;
187 	uint64 Length() const { return B_LENDIAN_TO_HOST_INT64(length); }
188 	uint64 Owner() const { return B_LENDIAN_TO_HOST_INT64(owner); }
189 	uint64 StripeLength() const
191 	uint64 Type() const { return B_LENDIAN_TO_HOST_INT64(type); }
204 	uint64	id;
205 	uint64	total_size;
206 	uint64	used_size;
210 	uint64	type;
211 	uint64	generation;
212 	uint64	start_offset;
224 	uint64	blocknum;
225 	uint64	flags;
227 	uint64	generation;
228 	uint64	root;
229 	uint64	chunk_root;
230 	uint64	log_root;
231 	uint64	log_root_transaction_id;
232 	uint64	total_size;
233 	uint64	used_size;
234 	uint64	root_dir_object_id;
235 	uint64	num_devices;
241 	uint64	chunk_root_generation;
242 	uint64	compat_flags;
243 	uint64	readonly_flags;
244 	uint64	incompat_flags;
251 	uint64	reserved[32];
259 	uint64 TotalSize() const { return B_LENDIAN_TO_HOST_INT64(total_size); }
262 	uint64 RootDirObjectID() const
264 	uint64 Generation() const
266 	uint64 Root() const
268 	uint64 ChunkRoot() const
270 	uint64 LogRoot() const
277 	uint64	generation;
278 	uint64	transaction_id;
279 	uint64	size;
280 	uint64	nbytes;
281 	uint64	blockgroup;
286 	uint64	rdev;
287 	uint64	flags;
288 	uint64	sequence;
289 	uint64	reserved[4];
294 	uint64 Generation() const { return B_LENDIAN_TO_HOST_INT64(generation); }
295 	uint64 Size() const { return B_LENDIAN_TO_HOST_INT64(size); }
299 	uint64 Flags() const { return B_LENDIAN_TO_HOST_INT64(flags); }
300 	uint64 Sequence() const { return B_LENDIAN_TO_HOST_INT64(sequence); }
324 	uint64	index;
328 	uint64 Index() const { return index; }
342 	uint64	generation;
343 	uint64	root_dirid;
344 	uint64	logical_address;
345 	uint64	limit_bytes;
346 	uint64	used_bytes;
347 	uint64	last_snapshot;
348 	uint64	flags;
353 	uint64 Generation() const
355 	uint64 LogicalAddress() const
362 	uint64	transaction_id;
373 	void SetTransactionID(uint64 id)
390 	uint64	generation;
391 	uint64	memory_size;
398 			uint64	disk_offset;
399 			uint64	disk_size;
400 			uint64	extent_offset;
401 			uint64	size;
405 	uint64 Generation() const
407 	uint64 MemoryBytes() const
411 	uint64 DiskOffset() const
413 	uint64 DiskSize() const
415 	uint64 ExtentOffset() const
417 	uint64 Size() const
423 	uint64	used_space;
424 	uint64	chunk_object_id;
425 	uint64	flags;
427 	uint64 UsedSpace() const { return B_LENDIAN_TO_HOST_INT64(used_space); }
428 	uint64 ChunkObjectID() const
430 	uint64 Flags() const { return B_LENDIAN_TO_HOST_INT64(flags); }
435 	uint64	refs;
436 	uint64	generation;
437 	uint64	flags;
439 	uint64 RefCount() const { return B_LENDIAN_TO_HOST_INT64(refs); }
440 	uint64 Generation() const { return B_LENDIAN_TO_HOST_INT64(generation); }
441 	uint64 Flags() const { return B_LENDIAN_TO_HOST_INT64(flags); }
447 	uint64	offset;
450 	uint64 Offset() const { return B_LENDIAN_TO_HOST_INT64(offset); }
455 	uint64	root_id;
456 	uint64	inode_id;
457 	uint64	offset;
460 	uint64 RootID() const { return B_LENDIAN_TO_HOST_INT64(root_id); }
461 	uint64 InodeID() const { return B_LENDIAN_TO_HOST_INT64(inode_id); }
462 	uint64 Offset() const { return B_LENDIAN_TO_HOST_INT64(offset);}