Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\buffer_head.h Create Date:2022-07-28 12:16:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:buffer_unwritten

Proto:static inline __attribute__((__always_inline__)) int buffer_unwritten(const struct buffer_head *bh)

Type:int

Parameter:

TypeParameterName
const struct buffer_head *bh
133  Return If __builtin_constant_p( Buffer is allocated on disk but not written ) Then constant_test_bit(( Buffer is allocated on disk but not written ), ( & buffer state bitmap (see above) )) Else variable_test_bit(( Buffer is allocated on disk but not written ), ( & buffer state bitmap (see above) ))
Caller
NameDescribe
__block_write_begin_int
block_truncate_page
submit_bh_wbc