函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\buffer_head.h Create Date:2022-07-27 13:23:20
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：buffer_unwritten

函数原型：static inline __attribute__((__always_inline__)) int buffer_unwritten(const struct buffer_head *bh)

返回类型：int

参数：

类型参数名称
const struct buffer_head *bh
133  返回:如果__builtin_constant_p( Buffer is allocated on disk but not written )则constant_test_bit(( Buffer is allocated on disk but not written ), ( & buffer state bitmap (see above) ))否则variable_test_bit(( Buffer is allocated on disk but not written ), ( & buffer state bitmap (see above) ))
调用者
名称描述
__block_write_begin_int
block_truncate_page
submit_bh_wbc