構造体定義書

struct gfs2_sb

No.	名称	属性	説明
1	gfs2_sb
	sb_header	gfs2_meta_header
	sb_fs_format	uint32_t
	sb_multihost_format	uint32_t
	__pad0	uint32_t	Was superblock flags in gfs1
	sb_bsize	uint32_t
	sb_bsize_shift	uint32_t
	__pad1	uint32_t	Was journal segment size in gfs1
	sb_master_dir	gfs2_inum	Was jindex dinode in gfs1
	__pad2	gfs2_inum	Was rindex dinode in gfs1
	sb_root_dir	gfs2_inum
	sb_lockproto[GFS_LOCKNAME_LEN]	char
	sb_locktable[GFS_LOCKNAME_LEN]	char
	__pad3	gfs2_inum	Was quota inode in gfs1
	__pad4	gfs2_inum	Was licence inode in gfs1
	sb_uuid[16]	uint8_t	The UUID maybe 0 for backwards compat

gfs2_sb