From: Christoph Hellwig <hch@lst.de>
Date: Sat, 25 Apr 2020 09:53:35 +0200
Subject: [PATCH] dm: remove the make_request_fn check in
device_area_is_invalid
Git-commit: ae3cc8d8ff061d3ffca96665685550e70a86472a
Patch-Mainline: v5.8-rc1
References: bsc#1175995,jsc#SLE-15608
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/md/dm-table.c | 17 -----------------
1 file changed, 17 deletions(-)
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 0a2cc197f62b..8277b959e00b 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -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;
--
2.16.4