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 10:45:25
Last Modify:2020-03-18 10:38:29 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：submit_bh

函数原型：int submit_bh(int op, int op_flags, struct buffer_head *bh)

返回类型：int

参数：

类型参数名称
intop
intop_flags
struct buffer_head *bh
3118  返回:submit_bh_wbc(op, op_flags, bh, 0, NULL)
调用者
名称描述
__bread_slow
block_read_full_pageGeneric "read page" function for block devices that have the normal* get_block functionality
nobh_write_beginOn entry, the page is fully not uptodate.* On exit the page is fully uptodate in the areas outside (from,to)* The filesystem needs to handle block truncation upon failure.
ll_rw_blockll_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
write_dirty_buffer
__sync_dirty_bufferFor a data-integrity writeout, we need to wait upon any in-progress I/O* and then start new I/O and then wait upon it. The caller must have a ref on* the buffer_head.
bh_submit_readh_submit_read - Submit a locked buffer for reading*@bh: struct buffer_head* Returns zero on success and -EIO on error.