linux-kernel - [PATCH 14/16] umem: drop dummy ->media

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Message-Id: <1293557352-10592-15-git-send-email-tj@kernel.org>
Date:	Tue, 28 Dec 2010 18:29:10 +0100
From:	Tejun Heo <tj@...nel.org>
To:	axboe@...nel.dk, linux-kernel@...r.kernel.org,
	kay.sievers@...y.org, hch@...radead.org
Cc:	Tejun Heo <tj@...nel.org>
Subject: [PATCH 14/16] umem: drop dummy ->media_changed()

umem doesn't implement media changed detection and there's no need to
implement dummy callback anymore.  Remove it.

Signed-off-by: Tejun Heo <tj@...nel.org>
Cc: Jens Axboe <axboe@...nel.dk>
Cc: Kay Sievers <kay.sievers@...y.org>
---
 drivers/block/umem.c |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)

diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 8be5715..9b102ab 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -779,20 +779,10 @@ static int mm_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 	return 0;
 }
 
-/*
- * Future support for removable devices
- */
-static int mm_check_change(struct gendisk *disk)
-{
-/*  struct cardinfo *dev = disk->private_data; */
-	return 0;
-}
-
 static const struct block_device_operations mm_fops = {
 	.owner		= THIS_MODULE,
 	.getgeo		= mm_getgeo,
 	.revalidate_disk = mm_revalidate,
-	.media_changed	= mm_check_change,
 };
 
 static int __devinit mm_pci_probe(struct pci_dev *dev,
-- 
1.7.1

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