函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:include\linux\seqlock.h Create Date:2022-07-27 06:39:23
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:Read side functions for starting and finalizing a read side section.

函数原型:static inline unsigned read_seqbegin(const seqlock_t *sl)

返回类型:unsigned

参数:

类型参数名称
const seqlock_t *sl
433  返回:ad_seqcount_begin - begin a seq-read critical section*@s: pointer to seqcount_t* Returns: count to be passed to read_seqcount_retry* read_seqcount_begin opens a read critical section of the given seqcount
调用者
名称描述
get_jiffies_64
tick_setup_periodicSetup the device for a periodic tick
handle_path
badblocks_checkadblocks_check() - check a given range for bad sectors*@bb: the badblocks structure that holds all badblock information*@s: sector (start) at which to check for badblocks*@sectors: number of sectors to check for badblocks*@first_bad: pointer to store
badblocks_showadblocks_show() - sysfs access to bad-blocks list*@bb: the badblocks structure that holds all badblock information*@page: buffer received from sysfs*@unack: weather to show unacknowledged badblocks* Return:* Length of returned data
path_initmust be paired with terminate_walk()
d_lookup查找目录项
d_alloc_parallel
is_subdir是子目录
lookup_mntlookup_mnt - Return the first child mount mounted at path* "First" means first mounted chronologically
path_is_mountpointpath_is_mountpoint() - Check if path is a mount in the current* namespace
read_seqbegin_or_lockad_seqbegin_or_lock - begin a sequence number check or locking block*@lock: sequence lock*@seq : sequence number to be checked* First try it once optimistically without taking the lock. If that fails,* take the lock
read_seqbegin_or_lock_irqsave
zone_span_seqbeginZone resizing functions* Note: any attempt to resize a zone should has pgdat_resize_lock()* zone_span_writelock() both held. This ensure the size of a zone* can't be changed while pgdat_resize_lock() held.
neigh_hh_bridge
neigh_hh_output
neigh_ha_snapshot
sock_read_timestamp