read_seqbegin

Name:Read side functions for starting and finalizing a read side section.

Proto:static inline unsigned read_seqbegin(const seqlock_t *sl)

Type:unsigned

Parameter:

Type	Parameter	Name
const seqlock_t *	sl

433

Return 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

**Caller**
Name	Describe
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
path_init	must be paired with terminate_walk()
d_lookup	search for a dentry
d_alloc_parallel
is_subdir	is new dentry a subdirectory of old_dentry
lookup_mnt	lookup_mnt - Return the first child mount mounted at path* "First" means first mounted chronologically
path_is_mountpoint	path_is_mountpoint() - Check if path is a mount in the current* namespace
read_seqbegin_or_lock	ad_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

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