From 2245f6de6c68b225986229a2de78c240536f7f38 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 30 Mar 2016 10:19:30 -0600 Subject: block: kill blk_queue_flush() We don't have any drivers left using it, so kill it off. Update documentation to use the newer blk_queue_write_cache(). Signed-off-by: Jens Axboe Reviewed-by: Christoph Hellwig --- block/blk-settings.c | 20 -------------------- 1 file changed, 20 deletions(-) (limited to 'block') diff --git a/block/blk-settings.c b/block/blk-settings.c index c903bee43cf8..80d9327a214b 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -820,26 +820,6 @@ void blk_queue_update_dma_alignment(struct request_queue *q, int mask) } EXPORT_SYMBOL(blk_queue_update_dma_alignment); -/** - * blk_queue_flush - configure queue's cache flush capability - * @q: the request queue for the device - * @flush: 0, REQ_FLUSH or REQ_FLUSH | REQ_FUA - * - * Tell block layer cache flush capability of @q. If it supports - * flushing, REQ_FLUSH should be set. If it supports bypassing - * write cache for individual writes, REQ_FUA should be set. - */ -void blk_queue_flush(struct request_queue *q, unsigned int flush) -{ - WARN_ON_ONCE(flush & ~(REQ_FLUSH | REQ_FUA)); - - if (WARN_ON_ONCE(!(flush & REQ_FLUSH) && (flush & REQ_FUA))) - flush &= ~REQ_FUA; - - q->flush_flags = flush & (REQ_FLUSH | REQ_FUA); -} -EXPORT_SYMBOL_GPL(blk_queue_flush); - void blk_queue_flush_queueable(struct request_queue *q, bool queueable) { q->flush_not_queueable = !queueable; -- cgit v1.2.3