__srcu_read

Name:Counts the new reader in the appropriate per-CPU element of the* srcu_struct. Can be invoked from irq/bh handlers, but the matching* __srcu_read_unlock() must be in the same handler instance. Returns an

Proto:static inline int __srcu_read_lock(struct srcu_struct *ssp)

Type:int

Parameter:

Type	Parameter	Name
struct srcu_struct *	ssp

idx = READ_ONCE( Current reader array element. )

WRITE_ONCE( srcu_read_lock() nesting depth. [idx], srcu_read_lock() nesting depth. [idx] + 1)

Return idx

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