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| author | Jens Axboe <axboe@fb.com> | 2016-03-30 10:19:30 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-04-12 16:00:39 -0600 |
| commit | 2245f6de6c68b225986229a2de78c240536f7f38 (patch) | |
| tree | b0b8747993fc51d5f16239f002f089c2332ad772 /block | |
| parent | f935a8ce0a60acf0a7fe4da8d2a1e5a70c598e55 (diff) | |
| download | linux-2245f6de6c68b225986229a2de78c240536f7f38.tar.gz linux-2245f6de6c68b225986229a2de78c240536f7f38.tar.bz2 linux-2245f6de6c68b225986229a2de78c240536f7f38.zip | |
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 <axboe@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-settings.c | 20 |
1 files changed, 0 insertions, 20 deletions
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; |