函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\mpage.c Create Date:2022-07-29 10:46:56
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：mpage_bio_submit

函数原型：static struct bio *mpage_bio_submit(int op, int op_flags, struct bio *bio)

返回类型：struct bio

参数：

类型参数名称
intop
intop_flags
struct bio *bio
63  bi_end_io等于I/O completion handler for multipage BIOs
64  bsolete, don't use in new code
65  This allows us to do IO even on the odd last sectors* of a device, even if the block size is some multiple* of the physical sector size
66  submit_bio(bio)
67  返回:NULL
调用者
名称描述
do_mpage_readpageThis is the worker routine which does all the work of mapping the disk* blocks and constructs largest possible bios, submits them for IO if the* blocks are not contiguous on the disk
mpage_readpagesmpage_readpages - populate an address space with some pages & start reads against them*@mapping: the address_space*@pages: The address of a list_head which contains the target pages. These
mpage_readpageThis isn't called much at all
__mpage_writepage
mpage_writepagesmpage_writepages - walk the list of dirty pages of the given address space & writepage() all of them*@mapping: address space structure to write*@wbc: subtract the number of written pages from *@wbc->nr_to_write
mpage_writepage