fs: remove mapping->backing_dev_info
authorChristoph Hellwig <hch@lst.de>
Wed, 14 Jan 2015 09:42:37 +0000 (10:42 +0100)
committerJens Axboe <axboe@fb.com>
Tue, 20 Jan 2015 21:03:05 +0000 (14:03 -0700)
commitb83ae6d421435c6204150300f1c25bfbd39cd62b
tree99c6b661ab7de05c2fd49aa62624d2d6bf8abc69
parentde1414a654e66b81b5348dbc5259ecf2fb61655e
fs: remove mapping->backing_dev_info

Now that we never use the backing_dev_info pointer in struct address_space
we can simply remove it and save 4 to 8 bytes in every inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
32 files changed:
drivers/char/raw.c
fs/aio.c
fs/block_dev.c
fs/btrfs/disk-io.c
fs/btrfs/inode.c
fs/ceph/inode.c
fs/cifs/inode.c
fs/configfs/inode.c
fs/ecryptfs/inode.c
fs/exofs/inode.c
fs/fuse/inode.c
fs/gfs2/glock.c
fs/gfs2/ops_fstype.c
fs/hugetlbfs/inode.c
fs/inode.c
fs/kernfs/inode.c
fs/ncpfs/inode.c
fs/nfs/inode.c
fs/nilfs2/gcinode.c
fs/nilfs2/mdt.c
fs/nilfs2/page.c
fs/nilfs2/page.h
fs/nilfs2/super.c
fs/ocfs2/dlmfs/dlmfs.c
fs/ramfs/inode.c
fs/romfs/super.c
fs/ubifs/dir.c
fs/ubifs/super.c
include/linux/fs.h
mm/backing-dev.c
mm/shmem.c
mm/swap_state.c