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block: kill off q->flush_flags

Browse source 
Now that we converted everything to the newer block write cache
interface, kill off the queue flush_flags and queueable flush
entries.

Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jens Axboe 2016-04-13 13:33:19 -06:00
commit c888a8f95a
8 changed files with 32 additions and 28 deletions
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18
block/blk-settings.c
View file

@ -822,7 +822,12 @@ EXPORT_SYMBOL(blk_queue_update_dma_alignment);
void blk_queue_flush_queueable(struct request_queue *q, bool queueable)
{
q->flush_not_queueable = !queueable;
spin_lock_irq(q->queue_lock);
if (queueable)
clear_bit(QUEUE_FLAG_FLUSH_NQ, &q->queue_flags);
else
set_bit(QUEUE_FLAG_FLUSH_NQ, &q->queue_flags);
spin_unlock_irq(q->queue_lock);
}
EXPORT_SYMBOL_GPL(blk_queue_flush_queueable);
@ -837,16 +842,13 @@ EXPORT_SYMBOL_GPL(blk_queue_flush_queueable);
void blk_queue_write_cache(struct request_queue *q, bool wc, bool fua)
{
spin_lock_irq(q->queue_lock);
if (wc) {
if (wc)
queue_flag_set(QUEUE_FLAG_WC, q);
q->flush_flags = REQ_FLUSH;
} else
else
queue_flag_clear(QUEUE_FLAG_WC, q);
if (fua) {
if (wc)
q->flush_flags |= REQ_FUA;
if (fua)
queue_flag_set(QUEUE_FLAG_FUA, q);
} else
else
queue_flag_clear(QUEUE_FLAG_FUA, q);
spin_unlock_irq(q->queue_lock);
}