函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\dax.c Create Date:2022-07-29 10:56:24
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Delete DAX entry at @index from @mapping. Wait for it* to be unlocked before deleting it.

函数原型：int dax_delete_mapping_entry(struct address_space *mapping, unsigned long index)

返回类型：int

参数：

类型参数名称
struct address_space *mapping
unsigned longindex
661  ret等于__dax_invalidate_entry(mapping, index, true)
670  WARN_ON_ONCE(!ret)
671  返回:ret
调用者
名称描述
truncate_exceptional_pvec_entriesUnconditionally remove exceptional entries. Usually called from truncate* path. Note that the pagevec may be altered by this function by removing* exceptional entries similar to what pagevec_remove_exceptionals does.