函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\iomap\buffered-io.c Create Date:2022-07-29 11:07:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：iomap_invalidatepage

函数原型：void iomap_invalidatepage(struct page *page, unsigned int offset, unsigned int len)

返回类型：void

参数：

类型参数名称
struct page *page
unsigned intoffset
unsigned intlen
523  trace_iomap_invalidatepage(host, page, offset, len)
529  如果offset恒等于0且len恒等于PAGE_SIZE则
530  WARN_ON_ONCE(Only test-and-set exist for PG_writeback. The unconditional operators are* risky: they bypass page accounting.)
531  cancel_dirty_page(page)
532  iomap_page_release(page)