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-rw-r--r--drivers/mtd/mtd_blkdevs.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index e0b5f6442171..650511304030 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -405,9 +405,10 @@ int add_mtd_blktrans_dev(struct mtd_blktrans_dev *new)
new->rq->queuedata = new;
blk_queue_logical_block_size(new->rq, tr->blksize);
- if (tr->discard)
- queue_flag_set_unlocked(QUEUE_FLAG_DISCARD,
- new->rq);
+ if (tr->discard) {
+ queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, new->rq);
+ new->rq->limits.max_discard_sectors = UINT_MAX;
+ }
gd->queue = new->rq;
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