shmem_get_inode
inode = shmem_get_inode(idmap, dir->i_sb, dir, mode, dev,
inode = shmem_get_inode(idmap, dir->i_sb, dir, mode, 0,
inode = shmem_get_inode(idmap, dir->i_sb, dir, S_IFLNK | 0777, 0,
inode = shmem_get_inode(&nop_mnt_idmap, sb, NULL,
inode = shmem_get_inode(&nop_mnt_idmap, mnt->mnt_sb, NULL,