/* start of list of all dentries, which have to be deleted on update */
static struct dentry *hypfs_last_dentry;
+struct dentry *hypfs_dbfs_dir;
+
static void hypfs_update_update(struct super_block *sb)
{
struct hypfs_sb_info *sb_info = sb->s_fs_info;
return ret;
}
-static void hypfs_drop_inode(struct inode *inode)
+static void hypfs_evict_inode(struct inode *inode)
{
+ end_writeback(inode);
kfree(inode->i_private);
- generic_delete_inode(inode);
}
static int hypfs_open(struct inode *inode, struct file *filp)
}
mutex_unlock(&fs_info->lock);
}
- return 0;
+ return nonseekable_open(inode, filp);
}
static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov,
static const struct super_operations hypfs_s_ops = {
.statfs = simple_statfs,
- .drop_inode = hypfs_drop_inode,
+ .evict_inode = hypfs_evict_inode,
.show_options = hypfs_show_options,
};
{
int rc;
- if (MACHINE_IS_VM) {
- if (hypfs_vm_init())
- /* no diag 2fc, just exit */
- return -ENODATA;
- } else {
- if (hypfs_diag_init()) {
- rc = -ENODATA;
- goto fail_diag;
- }
+ hypfs_dbfs_dir = debugfs_create_dir("s390_hypfs", NULL);
+ if (IS_ERR(hypfs_dbfs_dir))
+ return PTR_ERR(hypfs_dbfs_dir);
+
+ if (hypfs_diag_init()) {
+ rc = -ENODATA;
+ goto fail_debugfs_remove;
+ }
+ if (hypfs_vm_init()) {
+ rc = -ENODATA;
+ goto fail_hypfs_diag_exit;
}
s390_kobj = kobject_create_and_add("s390", hypervisor_kobj);
if (!s390_kobj) {
rc = -ENOMEM;
- goto fail_sysfs;
+ goto fail_hypfs_vm_exit;
}
rc = register_filesystem(&hypfs_type);
if (rc)
fail_filesystem:
kobject_put(s390_kobj);
-fail_sysfs:
- if (!MACHINE_IS_VM)
- hypfs_diag_exit();
-fail_diag:
+fail_hypfs_vm_exit:
+ hypfs_vm_exit();
+fail_hypfs_diag_exit:
+ hypfs_diag_exit();
+fail_debugfs_remove:
+ debugfs_remove(hypfs_dbfs_dir);
+
pr_err("Initialization of hypfs failed with rc=%i\n", rc);
return rc;
}
static void __exit hypfs_exit(void)
{
- if (!MACHINE_IS_VM)
- hypfs_diag_exit();
+ hypfs_diag_exit();
+ hypfs_vm_exit();
+ debugfs_remove(hypfs_dbfs_dir);
unregister_filesystem(&hypfs_type);
kobject_put(s390_kobj);
}