btrfs_super_block Struct Reference

#include <ctree.h>

Data Fields
u8	csum [BTRFS_CSUM_SIZE]
u8	fsid [BTRFS_FSID_SIZE]
__le64	bytenr
__le64	flags
__le64	magic
__le64	generation
__le64	root
__le64	chunk_root
__le64	log_root
__le64	log_root_transid
__le64	total_bytes
__le64	bytes_used
__le64	root_dir_objectid
__le64	num_devices
__le32	sectorsize
__le32	nodesize
__le32	leafsize
__le32	stripesize
__le32	sys_chunk_array_size
__le64	chunk_root_generation
__le64	compat_flags
__le64	compat_ro_flags
__le64	incompat_flags
__le16	csum_type
u8	root_level
u8	chunk_root_level
u8	log_root_level
struct btrfs_dev_item	dev_item
char	label [BTRFS_LABEL_SIZE]
__le64	cache_generation
__le64	reserved [31]
u8	sys_chunk_array [BTRFS_SYSTEM_CHUNK_ARRAY_SIZE]
struct btrfs_root_backup	super_roots [BTRFS_NUM_BACKUP_ROOTS]

Detailed Description

Definition at line 432 of file ctree.h.

Field Documentation

__le64 bytenr

Definition at line 436 of file ctree.h.

__le64 bytes_used

Definition at line 449 of file ctree.h.

__le64 cache_generation

Definition at line 469 of file ctree.h.

__le64 chunk_root

Definition at line 443 of file ctree.h.

__le64 chunk_root_generation

Definition at line 457 of file ctree.h.

u8 chunk_root_level

Definition at line 463 of file ctree.h.

__le64 compat_flags

Definition at line 458 of file ctree.h.

__le64 compat_ro_flags

Definition at line 459 of file ctree.h.

u8 csum[BTRFS_CSUM_SIZE]

Definition at line 433 of file ctree.h.

__le16 csum_type

Definition at line 461 of file ctree.h.

struct btrfs_dev_item dev_item

Definition at line 465 of file ctree.h.

__le64 flags

Definition at line 437 of file ctree.h.

u8 fsid[BTRFS_FSID_SIZE]

Definition at line 435 of file ctree.h.

__le64 generation

Definition at line 441 of file ctree.h.

__le64 incompat_flags

Definition at line 460 of file ctree.h.

char label[BTRFS_LABEL_SIZE]

Definition at line 467 of file ctree.h.

__le32 leafsize

Definition at line 454 of file ctree.h.

__le64 log_root

Definition at line 444 of file ctree.h.

u8 log_root_level

Definition at line 464 of file ctree.h.

__le64 log_root_transid

Definition at line 447 of file ctree.h.

__le64 magic

Definition at line 440 of file ctree.h.

__le32 nodesize

Definition at line 453 of file ctree.h.

__le64 num_devices

Definition at line 451 of file ctree.h.

__le64 reserved[31]

Definition at line 472 of file ctree.h.

__le64 root

Definition at line 442 of file ctree.h.

__le64 root_dir_objectid

Definition at line 450 of file ctree.h.

u8 root_level

Definition at line 462 of file ctree.h.

__le32 sectorsize

Definition at line 452 of file ctree.h.

__le32 stripesize

Definition at line 455 of file ctree.h.

struct btrfs_root_backup super_roots[BTRFS_NUM_BACKUP_ROOTS]

Definition at line 474 of file ctree.h.

u8 sys_chunk_array[BTRFS_SYSTEM_CHUNK_ARRAY_SIZE]

Definition at line 473 of file ctree.h.

__le32 sys_chunk_array_size

Definition at line 456 of file ctree.h.

__le64 total_bytes

Definition at line 448 of file ctree.h.

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The documentation for this struct was generated from the following file:

• fs/btrfs/ctree.h