disk_clear_events

函数名称：disk_clear_events - synchronously check, clear and return pending events*@disk: disk to fetch and clear events from*@mask: mask of events to be fetched and cleared* Disk events are synchronously checked and pending events in @mask

函数原型：unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)

返回类型：unsigned int

参数：

类型	参数	名称
struct gendisk *	disk
unsigned int	mask

1794

bdops等于fops

1795

ev等于ev

1797

clearing等于mask

1799

如果非ev则

1801

如果mask按位与DISK_EVENT_MEDIA_CHANGE且media_changed且media_changed(disk)则返回:DISK_EVENT_MEDIA_CHANGE

1804

返回:0

1807

disk_block_events - block and flush disk event checking*@disk: disk to block events for* On return from this function, it is guaranteed that event checking* isn't in progress and won't happen until unblocked by* disk_unblock_events()

1814

spin_lock_irq( & lock)

1815

clearing或等于vents being cleared

1816

vents being cleared 等于0

1817

spin_unlock_irq( & lock)

1819

disk_check_events(ev, & clearing)

1824

__disk_unblock_events(disk, vents being cleared ? true : false)

1827

spin_lock_irq( & lock)

1828

pending等于vents already sent out 按位与mask

1829

vents already sent out 与等于mask的反

1830

spin_unlock_irq( & lock)

1831

WARN_ON_ONCE(clearing & mask)

1833

返回:pending

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码

函数逻辑报告