函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\blk-lib.c Create Date:2022-07-27 18:42:24
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：blk_next_bio

函数原型：struct bio *blk_next_bio(struct bio *bio, unsigned int nr_pages, gfp_t gfp)

返回类型：struct bio

参数：

类型参数名称
struct bio *bio
unsigned intnr_pages
gfp_tgfp
15  new等于bio_alloc(gfp, nr_pages)
17  如果bio则
18  _chain - chain bio completions*@bio: the target bio*@parent: the @bio's parent bio* The caller won't have a bi_end_io called when @bio completes - instead,*@parent's bi_end_io won't be called until both @parent and @bio have
19  submit_bio - submit a bio to the block device layer for I/O*@bio: The &struct bio which describes the I/O* submit_bio() is very similar in purpose to generic_make_request(), and* uses that function to do most of the work. Both are fairly rough
22  返回:new
调用者
名称描述
__blkdev_issue_discard
__blkdev_issue_write_same__blkdev_issue_write_same - generate number of bios with same page*@bdev: target blockdev*@sector: start sector*@nr_sects: number of sectors to write*@gfp_mask: memory allocation flags (for bio_alloc)*@page: page containing data to write*@biop: pointer to
__blkdev_issue_write_zeroes
__blkdev_issue_zero_pages
blkdev_zone_mgmtlkdev_zone_mgmt - Execute a zone management operation on a range of zones*@bdev: Target block device*@op: Operation to be performed on the zones*@sector: Start sector of the first zone to operate on*@nr_sectors: Number of sectors, should be at least the