函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\buffer.c Create Date:2022-07-29 10:45:13
Last Modify:2020-03-18 10:38:29 Copyright©Brick
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函数名称：Do async read-ahead on a buffer..

函数原型：void __breadahead(struct block_device *bdev, sector_t block, unsigned size)

返回类型：void

参数：

类型参数名称
struct block_device *bdev
sector_tblock
unsignedsize
1372  bh等于__getblk(bdev, block, size)
1373  如果此条件成立可能性大(为编译器优化)(bh)则
1374  ll_rw_block: low-level access to block devices (DEPRECATED)*@op: whether to %READ or %WRITE*@op_flags: req_flag_bits*@nr: number of &struct buffer_heads in the array*@bhs: array of pointers to &struct buffer_head* ll_rw_block() takes an array of pointers
1375  brelse(bh)
调用者
名称描述
sb_breadahead