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Commit 5d1429fe authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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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: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 274243f5

drivers/mmc/core/queue.c

+0 −2
Original line number Diff line number Diff line
@@ -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)