linux-kernel - [PATCH 6/6] mmc: remove the call to check_disk

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Date:   Wed,  8 Jul 2020 14:25:46 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Song Liu <song@...nel.org>, Ulf Hansson <ulf.hansson@...aro.org>,
        linux-kernel@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
        linux-block@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-mmc@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH 6/6] mmc: remove the call to check_disk_change

The mmc driver doesn't support event notifications, which means
that check_disk_change is a no-op.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/mmc/core/block.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 4791c82f8f7c78..fa313b63413547 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -312,10 +312,7 @@ static int mmc_blk_open(struct block_device *bdev, fmode_t mode)
 
 	mutex_lock(&block_mutex);
 	if (md) {
-		if (md->usage == 2)
-			check_disk_change(bdev);
 		ret = 0;
-
 		if ((mode & FMODE_WRITE) && md->read_only) {
 			mmc_blk_put(md);
 			ret = -EROFS;
-- 
2.26.2