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| author | Christoph Hellwig <hch@lst.de> | 2015-01-14 10:42:37 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-20 14:03:05 -0700 |
| commit | b83ae6d421435c6204150300f1c25bfbd39cd62b (patch) | |
| tree | 99c6b661ab7de05c2fd49aa62624d2d6bf8abc69 /fs/hugetlbfs | |
| parent | de1414a654e66b81b5348dbc5259ecf2fb61655e (diff) | |
| download | linux-stable-b83ae6d421435c6204150300f1c25bfbd39cd62b.tar.gz linux-stable-b83ae6d421435c6204150300f1c25bfbd39cd62b.tar.bz2 linux-stable-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/hugetlbfs')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index de7c95c7d840..c274aca8e8dc 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -492,7 +492,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, lockdep_set_class(&inode->i_mapping->i_mmap_rwsem, &hugetlbfs_i_mmap_rwsem_key); inode->i_mapping->a_ops = &hugetlbfs_aops; - inode->i_mapping->backing_dev_info = &noop_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_mapping->private_data = resv_map; info = HUGETLBFS_I(inode); |