diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-01-14 10:42:37 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-20 22:03:05 +0100 |
| commit | b83ae6d421435c6204150300f1c25bfbd39cd62b (patch) | |
| tree | 99c6b661ab7de05c2fd49aa62624d2d6bf8abc69 /fs/aio.c | |
| parent | fs: export inode_to_bdi and use it in favor of mapping->backing_dev_info (diff) | |
| download | linux-b83ae6d421435c6204150300f1c25bfbd39cd62b.tar.xz linux-b83ae6d421435c6204150300f1c25bfbd39cd62b.zip | |
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/aio.c')
| -rw-r--r-- | fs/aio.c | 1 |
1 files changed, 0 insertions, 1 deletions
@@ -176,7 +176,6 @@ static struct file *aio_private_file(struct kioctx *ctx, loff_t nr_pages) inode->i_mapping->a_ops = &aio_ctx_aops; inode->i_mapping->private_data = ctx; - inode->i_mapping->backing_dev_info = &noop_backing_dev_info; inode->i_size = PAGE_SIZE * nr_pages; path.dentry = d_alloc_pseudo(aio_mnt->mnt_sb, &this); |