Commit ae3cc8d8 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe

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
...@@ -279,7 +279,6 @@ static struct dm_dev_internal *find_device(struct list_head *l, dev_t dev) ...@@ -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, static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
sector_t start, sector_t len, void *data) sector_t start, sector_t len, void *data)
{ {
struct request_queue *q;
struct queue_limits *limits = data; struct queue_limits *limits = data;
struct block_device *bdev = dev->bdev; struct block_device *bdev = dev->bdev;
sector_t dev_size = sector_t dev_size =
...@@ -288,22 +287,6 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev, ...@@ -288,22 +287,6 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
limits->logical_block_size >> SECTOR_SHIFT; limits->logical_block_size >> SECTOR_SHIFT;
char b[BDEVNAME_SIZE]; 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) if (!dev_size)
return 0; return 0;
......
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