構造体定義書 - ext2_super

構文

struct ext2_super_block

ファイル名

構造体情報

No.	名称	属性	説明
1	ext2_super_block
	s_inodes_count	__u32	Inodes count
	s_blocks_count	__u32	Blocks count
	s_r_blocks_count	__u32	Reserved blocks count
	s_free_blocks_count	__u32	Free blocks count
	s_free_inodes_count	__u32	Free inodes count
	s_first_data_block	__u32	First Data Block
	s_log_block_size	__u32	Block size
	s_log_frag_size	__s32	Fragment size
	s_blocks_per_group	__u32	# Blocks per group
	s_frags_per_group	__u32	# Fragments per group
	s_inodes_per_group	__u32	# Inodes per group
	s_mtime	__u32	Mount time
	s_wtime	__u32	Write time
	s_mnt_count	__u16	Mount count
	s_max_mnt_count	__s16	Maximal mount count
	s_magic	__u16	Magic signature
	s_state	__u16	File system state
	s_errors	__u16	Behaviour when detecting errors
	s_minor_rev_level	__u16	minor revision level
	s_lastcheck	__u32	time of last check
	s_checkinterval	__u32	max. time between checks
	s_creator_os	__u32	OS
	s_rev_level	__u32	Revision level
	s_def_resuid	__u16	Default uid for reserved blocks
	s_def_resgid	__u16	Default gid for reserved blocks
	s_first_ino	__u32	First non-reserved inode
	s_inode_size	__u16	size of inode structure
	s_block_group_nr	__u16	block group # of this superblock
	s_feature_compat	__u32	compatible feature set
	s_feature_incompat	__u32	incompatible feature set
	s_feature_ro_compat	__u32	readonly-compatible feature set
	s_uuid[16]	__u8	128-bit uuid for volume
	s_volume_name[16]	char	volume name
	s_last_mounted[64]	char	directory where last mounted
	s_algorithm_usage_bitmap	__u32	For compression
	s_prealloc_blocks	__u8	Nr of blocks to try to preallocate
	s_prealloc_dir_blocks	__u8	Nr to preallocate for dirs
	s_padding1	__u16
	s_reserved[204]	__u32	Padding to the end of the block

ext2_super_block

構文

ファイル名

構造体情報

See Also