Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\buffer.c Create Date:2022-07-28 20:14:09
Last Modify:2020-03-18 10:38:29 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:check_irqs_on

Proto:static inline void check_irqs_on(void)

Type:void

Parameter:Nothing

1259  BUG_ON(Some architectures don't define arch_irqs_disabled(), so even if either* definition would be fine we need to use different ones for the time being* to avoid build issues.())
Caller
NameDescribe
bh_lru_installInstall a buffer_head into this cpu's LRU. If not already in the LRU, it is* inserted at the front, and the buffer_head at the back if any is evicted.* Or, if already in the LRU it is moved to the front.
lookup_bh_lruLook up the bh in this cpu's LRU. If it's there, move it to the head.