Commit ae3cc8d8 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
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dm: remove the make_request_fn check in device_area_is_invalid 



Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a91b2014

drivers/md/dm-table.c

+0 −17
Original line number Diff line number Diff line
@@ -279,7 +279,6 @@ static struct dm_dev_internal *find_device(struct list_head *l, dev_t dev) 
static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,

				  sector_t start, sector_t len, void *data)

{

	struct request_queue *q;

	struct queue_limits *limits = data;

	struct block_device *bdev = dev->bdev;

	sector_t dev_size =
@@ -288,22 +287,6 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev, 
		limits->logical_block_size >> SECTOR_SHIFT;

	char b[BDEVNAME_SIZE];



	/*

	 * Some devices exist without request functions,

	 * such as loop devices not yet bound to backing files.

	 * Forbid the use of such devices.

	 */

	q = bdev_get_queue(bdev);

	if (!q || !q->make_request_fn) {

		DMWARN("%s: %s is not yet initialised: "

		       "start=%llu, len=%llu, dev_size=%llu",

		       dm_device_name(ti->table->md), bdevname(bdev, b),

		       (unsigned long long)start,

		       (unsigned long long)len,

		       (unsigned long long)dev_size);

		return 1;

	}



	if (!dev_size)

		return 0;