45 static int     bch_open(struct file *filep);
46 static int     bch_close(struct file *filep);
47 static off_t   bch_seek(struct file *filep, off_t offset, int whence);
48 static ssize_t bch_read(struct file *filep, char *buffer,
50 static ssize_t bch_write(struct file *filep, const char *buffer,
52 static int     bch_ioctl(struct file *filep, int cmd,
84 static int bch_open(struct file *filep)  in bch_open()  argument
86   struct Vnode *vnode = filep->f_vnode;  in bch_open()
115 static int bch_close(struct file *filep)  in bch_close()  argument
117   struct Vnode *vnode = filep->f_vnode;  in bch_close()
174 static off_t bch_seek(struct file *filep, off_t offset, int whence)  in bch_seek()  argument
176   struct Vnode *vnode = filep->f_vnode;  in bch_seek()
189       newpos = filep->f_pos + offset;  in bch_seek()
222       filep->f_pos = newpos;  in bch_seek()
238 static ssize_t bch_read(struct file *filep, char *buffer, size_t len)  in bch_read()  argument
240   struct Vnode *vnode = filep->f_vnode;  in bch_read()
247   ret = bchlib_read(bch, buffer, filep->f_pos, len);  in bch_read()
250       filep->f_pos += len;  in bch_read()
261 static ssize_t bch_write(struct file *filep, const char *buffer, size_t len)  in bch_write()  argument
263   struct Vnode *vnode = filep->f_vnode;  in bch_write()
272       ret = bchlib_write(bch, buffer, filep->f_pos, len);  in bch_write()
275           filep->f_pos += len;  in bch_write()
292 static int bch_ioctl(struct file *filep, int cmd, unsigned long arg)  in bch_ioctl()  argument
294   struct Vnode *vnode = filep->f_vnode;  in bch_ioctl()