函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\truncate.c Create Date:2022-07-27 15:37:58
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：clear_shadow_entry

函数原型：static void clear_shadow_entry(struct address_space *mapping, unsigned long index, void *entry)

返回类型：void

参数：

类型参数名称
struct address_space *mapping
unsigned longindex
void *entry
49  xa_lock_irq( & i_pages)
50  Regular page slots are stabilized by the page lock even without the tree* itself locked. These unlocked entries need verification under the tree* lock.
51  xa_unlock_irq( & i_pages)
调用者
名称描述
invalidate_exceptional_entryInvalidate exceptional entry if easily possible. This handles exceptional* entries for invalidate_inode_pages().
invalidate_exceptional_entry2Invalidate exceptional entry if clean. This handles exceptional entries for* invalidate_inode_pages2() so for DAX it evicts only clean entries.