diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-01-14 12:42:37 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-21 00:03:05 +0300 |
| commit | b83ae6d421435c6204150300f1c25bfbd39cd62b (patch) | |
| tree | 99c6b661ab7de05c2fd49aa62624d2d6bf8abc69 /fs/kernfs/inode.c | |
| parent | de1414a654e66b81b5348dbc5259ecf2fb61655e (diff) | |
| download | linux-b83ae6d421435c6204150300f1c25bfbd39cd62b.tar.xz | |
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>
Diffstat (limited to 'fs/kernfs/inode.c')
| -rw-r--r-- | fs/kernfs/inode.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c index 06f06887b2d2..9000874a945b 100644 --- a/fs/kernfs/inode.c +++ b/fs/kernfs/inode.c @@ -286,7 +286,6 @@ static void kernfs_init_inode(struct kernfs_node *kn, struct inode *inode) kernfs_get(kn); inode->i_private = kn; inode->i_mapping->a_ops = &kernfs_aops; - inode->i_mapping->backing_dev_info = &noop_backing_dev_info; inode->i_op = &kernfs_iops; set_default_inode_attr(inode, kn->mode); |