block: treat REQ_FUA and REQ_PREFLUSH as synchronous
Instead of requiring everyone to specify the REQ_SYNC flag aѕ well. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NJens Axboe <axboe@fb.com>
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Instead of requiring everyone to specify the REQ_SYNC flag aѕ well. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NJens Axboe <axboe@fb.com>