From 5d1429fead5beacce6df052c31b28a97a11e250b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 5 Apr 2017 19:21:19 +0200 Subject: [PATCH] mmc: remove the discard_zeroes_data flag mmc only supports discarding on large alignments, so the zeroing code would always fall back to explicit writings of zeroes. Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Signed-off-by: Jens Axboe --- drivers/mmc/core/queue.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index 493eb10..4c54ad3 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -167,8 +167,6 @@ static void mmc_queue_setup_discard(struct request_queue *q, queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); blk_queue_max_discard_sectors(q, max_discard); - if (card->erased_byte == 0 && !mmc_can_discard(card)) - q->limits.discard_zeroes_data = 1; q->limits.discard_granularity = card->pref_erase << 9; /* granularity must not be greater than max. discard */ if (card->pref_erase > max_discard) -- 2.7.4