Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\percpu-rwsem.h Create Date:2022-07-28 05:42:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:percpu_rwsem_acquire

Proto:static inline void percpu_rwsem_acquire(struct percpu_rw_semaphore *sem, bool read, unsigned long ip)

Type:void

Parameter:

TypeParameterName
struct percpu_rw_semaphore *sem
boolread
unsigned longip
131  lock_acquire( & dep_map, 0, 1, read, 1, NULL, ip)
Caller
NameDescribe
lockdep_sb_freeze_acquireTell lockdep we are holding these locks before we call ->unfreeze_fs(sb).