bool ConnectionManager::disconnect(PortInterface* port)
{
boost::scoped_ptr<ConnID> conn_id( port->getPortID() );
return this->removeConnection(conn_id.get());
}
static int fuse_fill_super(struct super_block *sb, void *data, int silent)
{
struct fuse_conn *fc;
struct inode *root;
struct fuse_mount_data d;
struct file *file;
struct dentry *root_dentry;
struct fuse_req *init_req;
int err;
if (sb->s_flags & MS_MANDLOCK)
return -EINVAL;
if (!parse_fuse_opt((char *) data, &d))
return -EINVAL;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
sb->s_magic = FUSE_SUPER_MAGIC;
sb->s_op = &fuse_super_operations;
sb->s_maxbytes = MAX_LFS_FILESIZE;
file = fget(d.fd);
if (!file)
return -EINVAL;
if (file->f_op != &fuse_dev_operations)
return -EINVAL;
fc = new_conn();
if (!fc)
return -ENOMEM;
fc->flags = d.flags;
fc->user_id = d.user_id;
fc->group_id = d.group_id;
fc->max_read = d.max_read;
/* Used by get_root_inode() */
sb->s_fs_info = fc;
err = -ENOMEM;
root = get_root_inode(sb, d.rootmode);
if (!root)
goto err;
root_dentry = d_alloc_root(root);
if (!root_dentry) {
iput(root);
goto err;
}
init_req = fuse_request_alloc();
if (!init_req)
goto err_put_root;
mutex_lock(&fuse_mutex);
err = -EINVAL;
if (file->private_data)
goto err_unlock;
fc->id = conn_id();
err = fuse_ctl_add_conn(fc);
if (err)
goto err_unlock;
list_add_tail(&fc->entry, &fuse_conn_list);
sb->s_root = root_dentry;
fc->connected = 1;
file->private_data = fuse_conn_get(fc);
mutex_unlock(&fuse_mutex);
/*
* atomic_dec_and_test() in fput() provides the necessary
* memory barrier for file->private_data to be visible on all
* CPUs after this
*/
fput(file);
fuse_send_init(fc, init_req);
return 0;
err_unlock:
mutex_unlock(&fuse_mutex);
fuse_request_free(init_req);
err_put_root:
dput(root_dentry);
err:
fput(file);
fuse_conn_put(fc);
return err;
}
