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path: root/drivers/mmc/core/queue.c
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Diffstat (limited to 'drivers/mmc/core/queue.c')
-rw-r--r--drivers/mmc/core/queue.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index a3d446005571..fa5324ceeebe 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -190,6 +190,8 @@ static void mmc_queue_setup_discard(struct request_queue *q,
q->limits.discard_granularity = SECTOR_SIZE;
if (mmc_can_secure_erase_trim(card))
blk_queue_max_secure_erase_sectors(q, max_discard);
+ if (mmc_can_trim(card) && card->erased_byte == 0)
+ blk_queue_max_write_zeroes_sectors(q, max_discard);
}
static unsigned short mmc_get_max_segments(struct mmc_host *host)