Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:block\bio.c Create Date:2022-07-28 16:56:21
Last Modify:2020-03-17 23:13:58 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:update_io_ticks

Proto:void update_io_ticks(struct hd_struct *part, unsigned long now)

Type:void

Parameter:

TypeParameterName
struct hd_struct *part
unsigned longnow
1758  again :
1759  stamp = READ_ONCE(stamp)
1760  If Value for the false possibility is greater at compile time(stamp != now) Then
1761  If Value is more likely to compile time(cmpxchg( & stamp, stamp, now) == stamp) Then
1762  __part_stat_add(part, io_ticks, 1)
1765  If partno Then
1766  part = part0
1767  Go to again
Caller
NameDescribe
generic_start_io_acct
generic_end_io_acct
blk_account_io_done
blk_account_io_start