函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\swap.c Create Date:2022-07-27 15:37:29
Last Modify:2022-05-23 13:40:24 Copyright©Brick
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函数名称：pagevec_lookup_range - gang pagecache lookup*@pvec: Where the resulting pages are placed*@mapping: The address_space to search*@start: The starting page index*@end: The final page index* pagevec_lookup_range() will search for & return a group of up to

函数原型：unsigned pagevec_lookup_range(struct pagevec *pvec, struct address_space *mapping, unsigned long *start, unsigned long end)

返回类型：unsigned

参数：

类型参数名称
struct pagevec *pvec
struct address_space *mapping
unsigned long *start
unsigned longend
1063  nr等于d_get_pages_range - gang pagecache lookup*@mapping: The address_space to search*@start: The starting page index*@end: The final page index (inclusive)*@nr_pages: The maximum number of pages*@pages: Where the resulting pages are placed*
1065  返回:pagevec_count(pvec)
调用者
名称描述
page_cache_seek_hole_dataSeek for SEEK_DATA / SEEK_HOLE in the page cache.* Within unwritten extents, the page cache determines which parts are holes* and which are data: uptodate buffer heads count as data; everything else* counts as a hole.
clean_bdev_aliaseslean_bdev_aliases: clean a range of buffers in block device*@bdev: Block device to clean buffers in*@block: Start of a range of blocks to clean*@len: Number of blocks to clean* We are taking a range of blocks for data and we don't want writeback of any*