32 int dfs_device_fs_ioctl(struct dfs_fd *file, int cmd, void *args)  in dfs_device_fs_ioctl()  argument
37     RT_ASSERT(file != RT_NULL);  in dfs_device_fs_ioctl()
40     dev_id = (rt_device_t)file->data;  in dfs_device_fs_ioctl()
51 int dfs_device_fs_read(struct dfs_fd *file, void *buf, size_t count)  in dfs_device_fs_read()  argument
56     RT_ASSERT(file != RT_NULL);  in dfs_device_fs_read()
59     dev_id = (rt_device_t)file->data;  in dfs_device_fs_read()
63     result = rt_device_read(dev_id, file->pos, buf, count);  in dfs_device_fs_read()
64     file->pos += result;  in dfs_device_fs_read()
69 int dfs_device_fs_write(struct dfs_fd *file, const void *buf, size_t count)  in dfs_device_fs_write()  argument
74     RT_ASSERT(file != RT_NULL);  in dfs_device_fs_write()
77     dev_id = (rt_device_t)file->data;  in dfs_device_fs_write()
81     result = rt_device_write(dev_id, file->pos, buf, count);  in dfs_device_fs_write()
82     file->pos += result;  in dfs_device_fs_write()
87 int dfs_device_fs_close(struct dfs_fd *file)  in dfs_device_fs_close()  argument
92     RT_ASSERT(file != RT_NULL);  in dfs_device_fs_close()
94     if (file->type == FT_DIRECTORY)  in dfs_device_fs_close()
98         root_dirent = (struct device_dirent *)file->data;  in dfs_device_fs_close()
107     dev_id = (rt_device_t)file->data;  in dfs_device_fs_close()
114         file->data = RT_NULL;  in dfs_device_fs_close()
122 int dfs_device_fs_open(struct dfs_fd *file)  in dfs_device_fs_open()  argument
128     if ((file->path[0] == '/') && (file->path[1] == '\0') &&  in dfs_device_fs_open()
129         (file->flags & O_DIRECTORY))  in dfs_device_fs_open()
167         file->data = root_dirent;  in dfs_device_fs_open()
172     device = rt_device_find(&file->path[1]);  in dfs_device_fs_open()
180         file->fops = device->fops;  in dfs_device_fs_open()
181         file->data = (void*)device;  in dfs_device_fs_open()
184         if (file->fops->open)  in dfs_device_fs_open()
186             result = file->fops->open(file);  in dfs_device_fs_open()
199             file->data = device;  in dfs_device_fs_open()
204     file->data = RT_NULL;  in dfs_device_fs_open()
257 int dfs_device_fs_getdents(struct dfs_fd *file, struct dirent *dirp, uint32_t count)  in dfs_device_fs_getdents()  argument
264     root_dirent = (struct device_dirent *)file->data;  in dfs_device_fs_getdents()
327     /* register rom file system */  in devfs_init()