blk_queue_write_cache

Name:configure queue's write cache

Proto:void blk_queue_write_cache(struct request_queue *q, bool wc, bool fua)

Type:void

Parameter:

Type	Parameter	Name
struct request_queue *	q
bool	wc
bool	fua

823

If wc Then lk_queue_flag_set - atomically set a queue flag*@flag: flag to be set*@q: request queue

825

Else lk_queue_flag_clear - atomically clear a queue flag*@flag: flag to be cleared*@q: request queue

827

If fua Then lk_queue_flag_set - atomically set a queue flag*@flag: flag to be set*@q: request queue

829

Else lk_queue_flag_clear - atomically clear a queue flag*@flag: flag to be cleared*@q: request queue

832

wbt_set_write_cache(q, Determine whether a bit is set(Write back caching , & * various queue flags, see QUEUE_* below))

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