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authorChristoph Hellwig <hch@lst.de>2020-11-27 16:21:42 +0100
committerJens Axboe <axboe@kernel.dk>2020-12-01 14:53:39 -0700
commitb0519b542303bc167d22bf11dadd3f18d37dbfe2 (patch)
treed372c77e5610a538704ea7de8950515951cc01f8 /drivers/md/dm-core.h
parent47d951023a242bb159534573a4a76fef9a31dc9b (diff)
downloadlinux-b0519b542303bc167d22bf11dadd3f18d37dbfe2.tar.gz
dm: remove the block_device reference in struct mapped_device
Get rid of the long-lasting struct block_device reference in
struct mapped_device.  The only remaining user is the freeze code,
where we can trivially look up the block device at freeze time
and release the reference at thaw time.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/dm-core.h')
-rw-r--r--drivers/md/dm-core.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index aace147effca..086d293c2b03 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -102,8 +102,6 @@ struct mapped_device {
 	/* kobject and completion */
 	struct dm_kobject_holder kobj_holder;
 
-	struct block_device *bdev;
-
 	struct dm_stats stats;
 
 	/* for blk-mq request-based DM support */