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linux-bus,device,driver,class
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ÔÚ Linux É豸ģÐÍÖÐ, ×ÜÏßÓÉ bus_type ½á¹¹±íʾ, ¶¨ÒåÔÚ £º
struct bus_type {
const char * name;/*×ÜÏßÀàÐÍÃû³Æ*/
struct module * owner;/*Ö¸ÏòÄ£¿éµÄÖ¸Õë(Èç¹ûÓÐ), ´ËÄ£¿é¸ºÔð²Ù×÷Õâ¸ö×ÜÏß*/
struct kset subsys;/*ºÍ¸Ã×ÜÏßÏà¹ØµÄ×Óϵͳ*/
struct kset drivers;/*×ÜÏßÇý¶¯³ÌʽµÄkset*/
struct kset devices;/* ¹ÒÔÚ¸Ã×ÜÏßµÄËùÓÐÉ豸µÄkset*/
struct klist klist_devices;/*ºÍ¸Ã×ÜÏßÏà¹ØµÄÇý¶¯³ÌʽÁ´±í*/
struct klist klist_drivers;/*¹Ò½ÓÔÚ¸Ã×ÜÏßµÄÉ豸Á´±í*/
struct blocking_notifier_head bus_notifier;
struct bus_attribute * bus_attrs; /*×ÜÏßÊôÐÔ*/
struct device_attribute * dev_attrs; /*É豸ÊôÐÔ,Ö¸ÏòΪÿ¸ö¼ÓÈë×ÜÏßµÄÉ豸½¨Á¢µÄĬÈÏÊôÐÔÁ´±í*/
struct driver_attribute * drv_attrs; /*Çý¶¯³ÌʽÊôÐÔ*/
struct bus_attribute drivers_autoprobe_attr;/*Çý¶¯×Ô¶¯Ì½²âÊôÐÔ*/
struct bus_attribute drivers_probe_attr;/*Çý¶¯Ì½²âÊôÐÔ*/
int (*match)(struct device * dev, struct device_driver * drv);
int (*uevent)(struct device *dev, char **envp,
int num_envp, char *buffer, int buffer_size);
int (*probe)(struct device * dev);
int (*remove)(struct device * dev);
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KS2009: How Google uses Linux
By Jonathan Corbet
October 21, 2009
LWN's 2009 Kernel Summit coverage
There may be no single organization which runs more Linux systems than Google. But the kernel development community knows little about how Google uses Linux and what sort of problems are ......
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linux mount and commpress/release
2009-05-23 11:05
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