read_seqretry

函数名称：read_seqretry

函数原型：static inline unsigned read_seqretry(const seqlock_t *sl, unsigned start)

返回类型：unsigned

参数：

类型	参数	名称
const seqlock_t *	sl
unsigned	start

438

返回:ad_seqcount_retry - end a seq-read critical section*@s: pointer to seqcount_t*@start: count, from read_seqcount_begin* Returns: 1 if retry is required, else 0* read_seqcount_retry closes a read critical section of the given seqcount

**调用者**
名称	描述
get_jiffies_64
tick_setup_periodic	Setup the device for a periodic tick
handle_path
badblocks_check	adblocks_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_show	adblocks_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
__follow_mount_rcu	Try to skip to top of mountpoint pile in rcuwalk mode. Fail if* we meet a managed dentry that would need blocking.
follow_dotdot_rcu
d_lookup	查找目录项
d_alloc_parallel
is_subdir	是子目录
__legitimize_mnt	all under rcu_read_lock
path_is_mountpoint	path_is_mountpoint() - Check if path is a mount in the current* namespace
need_seqretry
zone_span_seqretry
neigh_hh_bridge
neigh_hh_output
neigh_ha_snapshot
sock_read_timestamp

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