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authorChristoph Hellwig <hch@lst.de>2015-01-14 12:42:37 +0300
committerJens Axboe <axboe@fb.com>2015-01-21 00:03:05 +0300
commitb83ae6d421435c6204150300f1c25bfbd39cd62b (patch)
tree99c6b661ab7de05c2fd49aa62624d2d6bf8abc69 /fs/configfs
parentde1414a654e66b81b5348dbc5259ecf2fb61655e (diff)
downloadlinux-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/configfs')
-rw-r--r--fs/configfs/inode.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index 0ad6b4d6de00..65af86147154 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -131,7 +131,6 @@ struct inode *configfs_new_inode(umode_t mode, struct configfs_dirent *sd,
if (inode) {
inode->i_ino = get_next_ino();
inode->i_mapping->a_ops = &configfs_aops;
- inode->i_mapping->backing_dev_info = &noop_backing_dev_info;
inode->i_op = &configfs_inode_operations;
if (sd->s_iattr) {