tree a2a430b22f8c220e719114786905b18aa605f9ec
parent a7a2c680a2ad81b3181a335ee76e23d5195007ee
author Christoph Hellwig <hch@lst.de> 1421228551 +0100
committer Jens Axboe <axboe@fb.com> 1421787776 -0700

fs: kill BDI_CAP_SWAP_BACKED

This bdi flag isn't too useful - we can determine that a vma is backed by
either swap or shmem trivially in the caller.

This also allows removing the backing_dev_info instaces for swap and shmem
in favor of noop_backing_dev_info.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>