umem: Drop dummy ->media_changed()
authorTejun Heo <tj@kernel.org>
Wed, 9 Mar 2011 18:54:28 +0000 (19:54 +0100)
committerTejun Heo <tj@kernel.org>
Wed, 9 Mar 2011 18:54:28 +0000 (19:54 +0100)
commit6fac80e3aa9e5bfc6cadb9ea8d0584c557c4b198
tree74fae0d24258c3920c3d77f3a8a9cbaebc67fb53
parentffe80cea354519d846767b8165598c2903706c2a
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@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kay Sievers <kay.sievers@vrfy.org>
drivers/block/umem.c