函数逻辑报告

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v5.5.9

Brick Technologies Co., Ltd

Source Code:mm\filemap.c Create Date:2022-07-27 15:23:50
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:Returns true if writeback might be needed or already in progress.

函数原型:static bool mapping_needs_writeback(struct address_space *mapping)

返回类型:bool

参数:

类型参数名称
struct address_space *mapping
629  如果dax_mapping(mapping)则返回:nrexceptional
632  返回:nrpages
调用者
名称描述
filemap_write_and_wait
filemap_write_and_wait_rangelemap_write_and_wait_range - write out & wait on a file range*@mapping: the address_space for the pages*@lstart: offset in bytes where the range starts*@lend: offset in bytes where the range ends (inclusive)
file_write_and_wait_rangele_write_and_wait_range - write out & wait on a file range*@file: file pointing to address_space with pages*@lstart: offset in bytes where the range starts*@lend: offset in bytes where the range ends (inclusive)