函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\cleancache.c Create Date:2022-07-27 17:59:18
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Invalidate any data from cleancache associated with the poolid and the* page's inode and page index so that a subsequent "get" will fail

函数原型：void __cleancache_invalidate_page(struct address_space *mapping, struct page *page)

返回类型：void

参数：

类型参数名称
struct address_space *mapping
struct page *page
247  pool_id等于cleancache_poolid
248  struct cleancache_filekey key = {key = {0}}
250  如果非cleancache_ops is set by cleancache_register_ops to contain the pointers* to the cleancache "backend" implementation functions.则返回
253  如果pool_id大于等于0则
254  VM_BUG_ON_PAGE(!PageLocked(page), page)
255  如果If the filesystem uses exportable filehandles, use the filehandle as* the key, else use the inode number.大于等于0则
256  invalidate_page(pool_id, key, Our offset within mapping. )
258  cleancache_invalidates自加