mtd_blkdevs: Set the maximum discards size

Set max_discard_sectors to UINT_MAX.

Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Tested-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

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;