mytypes.h

一个LINUX下一个框架文件系统,运行编译环境：RED HAT LINUX7.3

#define MYFS_SUPER_MAGIC 0x0872 

struct fs_mount_data {
	uint32_t info_magic;
	uint32_t flags;
	uint16_t port;
	char mgr[100];
	char dir[PATH_MAX];
};

struct myfs_super {
	uint32_t flags;
	uint16_t port;
	char mgr[100+1]; /* null terminated */
	char dir[PATH_MAX]; /* null terminated */
};

struct myfs_meta {
	uint64_t handle; /* similar to inode number, always valid */
	uint32_t valid; /* bitfield specifying what fields are valid */
	uint32_t mode; /* protection */
	uint32_t uid; /* user ID of owner */
	uint32_t gid; /* group ID of owner */
	uint64_t size; /* total size of file in bytes */
	time_t atime; /* time of last access (all times under one bit) */
	time_t mtime; /* time of last modification */
	time_t ctime; /* time of last change */
	uint64_t blksize; /* ``suggested'' block size (usually strip size) */
	uint64_t blocks; /* number of ``suggested'' blocks */
};

struct myfs_inode {
	uint64_t handle;
	uint8_t  *name;
	struct myfs_super *super;
};