block_dev_struct

　　　　struct blk_dev_struct {　　void (*request_fn)(void);　　struct request * current_request;　　struct request plug;　　struct tq_struct plug_tq;　　};　　buffer_head

　　　　/* bh state bits */　　#define BH_Uptodate 0 /* 1 if the buffer contains valid data */　　#define BH_Dirty 1 /* 1 if the buffer is dirty */　　#define BH_Lock 2 /* 1 if the buffer is locked */　　#define BH_Req 3 /* 0 if the buffer has been invalidated */　　#define BH_Touched 4 /* 1 if the buffer has been touched (aging) */　　#define BH_Has_aged 5 /* 1 if the buffer has been aged (aging) */　　#define BH_Protected 6 /* 1 if the buffer is protected */　　#define BH_FreeOnIO 7 /* 1 to discard the buffer_head after IO */　　struct buffer_head {　　/* First cache line: */　　unsigned long b_blocknr; /* block number */　　kdev_t b_dev; /* device (B_FREE = free) */　　kdev_t b_rdev; /* Real device */　　unsigned long b_rsector; /* Real buffer location on disk */　　struct buffer_head *b_next; /* Hash queue list */　　struct buffer_head *b_this_page; /* circular list of buffers in one　　page */　　/* Second cache line: */　　unsigned long b_state; /* buffer state bitmap (above) */　　struct buffer_head *b_next_free;　　unsigned int b_count; /* users using this block */　　unsigned long b_size; /* block size */　　/* Non-performance-critical data follows. */　　char *b_data; /* pointer to data block */　　unsigned int b_list; /* List that this buffer appears */　　unsigned long b_flushtime; /* Time when this (dirty) buffer　　* should be written */　　unsigned long b_lru_time; /* Time when this buffer was　　* last used. */　　struct wait_queue *b_wait;　　struct buffer_head *b_prev; /* doubly linked hash list */　　struct buffer_head *b_prev_free; /* doubly linked list of buffers */　　struct buffer_head *b_reqnext; /* request queue */　　};　　device

　　　struct device　　{　　/*　　* This is the first field of the "visible" part of this structure　　* (i.e. as seen by users in the "Space.c" file). It is the name　　* the interface.　　*/　　char *name;　　/* I/O specific fields */　　unsigned long rmem_end; /* shmem "recv" end */　　unsigned long rmem_start; /* shmem "recv" start */　　unsigned long mem_end; /* shared mem end */　　unsigned long mem_start; /* shared mem start */　　unsigned long base_addr; /* device I/O address */　　unsigned char irq; /* device IRQ number */　　/* Low-level status flags. */　　volatile unsigned char start, /* start an operation */　　interrupt; /* interrupt arrived */　　unsigned long tbusy; /* transmitter busy */　　struct device *next;　　/* The device initialization function. Called only once. */　　int (*init)(struct device *dev);　　/* Some hardware also needs these fields, but they are not part of　　the usual set specified in Space.c. */　　unsigned char if_port; /* Selectable AUI,TP, */　　unsigned char dma; /* DMA channel */　　struct enet_statistics* (*get_stats)(struct device *dev);　　/*　　* This marks the end of the "visible" part of the structure. All　　* fields hereafter are internal to the system, and may change at　　* will (read: may be cleaned up at will).　　*/　　/* These may be needed for future network-power-down code. */　　unsigned long trans_start; /* Time (jiffies) of last transmit */　　unsigned long last_rx; /* Time of last Rx */　　unsigned short flags; /* interface flags (BSD)*/　　unsigned short family; /* address family ID */　　unsigned short metric; /* routing metric */　　unsigned short mtu; /* MTU value */　　unsigned short type; /* hardware type */　　unsigned short hard_header_len; /* hardware hdr len */　　void *priv; /* private data */　　/* Interface address info. */　　unsigned char broadcast[MAX_ADDR_LEN];　　unsigned char pad;　　unsigned char dev_addr[MAX_ADDR_LEN];　　unsigned char addr_len; /* hardware addr len */　　unsigned long pa_addr; /* protocol address */　　unsigned long pa_brdaddr; /* protocol broadcast addr*/　　unsigned long pa_dstaddr; /* protocol P-P other addr*/　　unsigned long pa_mask; /* protocol netmask */　　unsigned short pa_alen; /* protocol address len */　　struct dev_mc_list *mc_list; /* M'cast mac addrs */　　int mc_count; /* No installed mcasts */　　struct ip_mc_list *ip_mc_list; /* IP m'cast filter chain */　　__u32 tx_queue_len; /* Max frames per queue */　　/* For load balancing driver pair support */　　unsigned long pkt_queue; /* Packets queued */　　struct device *slave; /* Slave device */　　struct net_alias_info *alias_info; /* main dev alias info */　　struct net_alias *my_alias; /* alias devs */　　/* Pointer to the interface buffers. */　　struct sk_buff_head buffs[DEV_NUMBUFFS];　　/* Pointers to interface service routines. */　　int (*open)(struct device *dev);　　int (*stop)(struct device *dev);　　int (*hard_start_xmit) (struct sk_buff *skb,　　struct device *dev);　　int (*hard_header) (struct sk_buff *skb,　　struct device *dev,　　unsigned short type,　　void *daddr,　　void *saddr,　　unsigned len);　　int (*rebuild_header)(void *eth,　　struct device *dev,　　unsigned long raddr,　　struct sk_buff *skb);　　void (*set_multicast_list)(struct device *dev);　　int (*set_mac_address)(struct device *dev,　　void *addr);　　int (*do_ioctl)(struct device *dev,　　struct ifreq *ifr,　　int cmd);　　int (*set_config)(struct device *dev,　　struct ifmap *map);　　void (*header_cache_bind)(struct hh_cache **hhp,　　struct device *dev,　　unsigned short htype,　　__u32 daddr);　　void (*header_cache_update)(struct hh_cache *hh,　　struct device *dev,　　unsigned char * haddr);　　int (*change_mtu)(struct device *dev,　　int new_mtu);　　struct iw_statistics* (*get_wireless_stats)(struct device *dev);　　};　　device_struct

　　　　struct device_struct {　　const char * name;　　struct file_operations * fops;　　};　　file

　　　　struct file {　　mode_t f_mode;　　loff_t f_pos;　　unsigned short f_flags;　　unsigned short f_count;　　unsigned long f_reada, f_ramax, f_raend, f_ralen, f_rawin;　　struct file *f_next, *f_prev;　　int f_owner; /* pid or -pgrp where SIGIO should be sent */　　struct inode * f_inode;　　struct file_operations * f_op;　　unsigned long f_version;　　void *private_data; /* needed for tty driver, and maybe others */　　};　　files_struct

　　　　struct files_struct {　　int count;　　fd_set close_on_exec;　　fd_set open_fds;　　struct file * fd[NR_OPEN];　　};　　fs_struct　　struct fs_struct {　　int count;　　unsigned short umask;　　struct inode * root, * pwd;　　};　　gendisk

　　　struct hd_struct {　　long start_sect;　　long nr_sects;　　};　　struct gendisk {　　int major; /* major number of driver */　　const char *major_name; /* name of major driver */　　int minor_shift; /* number of times minor is shifted to get real minor */　　int max_p; /* maximum partitions per device */　　int max_nr; /* maximum number of real devices */　　void (*init)(struct gendisk *);　　/* Initialization called before we do our thing */　　struct hd_struct *part; /* partition table */　　int *sizes; /* device size in blocks, copied to blk_size[] */　　int nr_real; /* number of real devices */　　void *real_devices; /* internal use */　　struct gendisk *next;　　};　　inode

　　　　struct inode {　　kdev_t i_dev;　　unsigned long i_ino;　　umode_t i_mode;　　nlink_t i_nlink;　　uid_t i_uid;　　gid_t i_gid;　　kdev_t i_rdev;　　off_t i_size;　　time_t i_atime;　　time_t i_mtime;　　time_t i_ctime;　　unsigned long i_blksize;　　unsigned long i_blocks;　　unsigned long i_version;　　unsigned long i_nrpages;　　struct semaphore i_sem;　　struct inode_operations *i_op;　　struct super_block *i_sb;　　struct wait_queue *i_wait;　　struct file_lock *i_flock;　　struct vm_area_struct *i_mmap;　　struct page *i_pages;　　struct dquot *i_dquot[MAXQUOTAS];　　struct inode *i_next, *i_prev;　　struct inode *i_hash_next, *i_hash_prev;　　struct inode *i_bound_to, *i_bound_by;　　struct inode *i_mount;　　unsigned short i_count;　　unsigned short i_flags;　　unsigned char i_lock;　　unsigned char i_dirt;　　unsigned char i_pipe;　　unsigned char i_sock;　　unsigned char i_seek;　　unsigned char i_update;　　unsigned short i_writecount;　　union {　　struct pipe_inode_info pipe_i;　　struct minix_inode_info minix_i;　　struct ext_inode_info ext_i;　　struct ext2_inode_info ext2_i;　　struct hpfs_inode_info hpfs_i;　　struct msdos_inode_info msdos_i;　　struct umsdos_inode_info umsdos_i;　　struct iso_inode_info isofs_i;　　struct nfs_inode_info nfs_i;　　struct xiafs_inode_info xiafs_i;　　struct sysv_inode_info sysv_i;　　struct affs_inode_info affs_i;　　struct ufs_inode_info ufs_i;　　struct socket socket_i;　　void *generic_ip;　　} u;　　};　　ipc_perm

　　　　struct ipc_perm　　{　　key_t key;　　ushort uid; /* owner euid and egid */　　ushort gid;　　ushort cuid; /* creator euid and egid */　　ushort cgid;　　ushort mode; /* access modes see mode flags below */　　ushort seq; /* sequence number */　　};　　irqaction

　　　　struct irqaction {　　void (*handler)(int, void *, struct pt_regs *);　　unsigned long flags;　　unsigned long mask;　　const char *name;　　void *dev_id;　　struct irqaction *next;　　};　　linux_binfmt