return container_of(inode, struct hugetlbfs_inode_info, vfs_inode);
}
-static struct backing_dev_info hugetlbfs_backing_dev_info = {
- .name = "hugetlbfs",
- .ra_pages = 0, /* No readahead */
- .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
-};
-
int sysctl_hugetlb_shm_group;
enum {
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 =&hugetlbfs_backing_dev_info;
+ 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);
return -ENOTSUPP;
}
- error = bdi_init(&hugetlbfs_backing_dev_info);
- if (error)
- return error;
-
error = -ENOMEM;
hugetlbfs_inode_cachep = kmem_cache_create("hugetlbfs_inode_cache",
sizeof(struct hugetlbfs_inode_info),
out:
kmem_cache_destroy(hugetlbfs_inode_cachep);
out2:
- bdi_destroy(&hugetlbfs_backing_dev_info);
return error;
}
for_each_hstate(h)
kern_unmount(hugetlbfs_vfsmount[i++]);
unregister_filesystem(&hugetlbfs_fs_type);
- bdi_destroy(&hugetlbfs_backing_dev_info);
}
module_init(init_hugetlbfs_fs)