Re: [PATCH 1] Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

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Am Dienstag, 22. Dezember 2009 11:04:52 schrieb Andy Green:
> +       mutex_lock(&arbitration_wait_mutex);
> +
> +       sprintf(buf, "REQUEST_ARBITRATION=%s",
> +                                             mod_data.file[curlun->lun_index]);
> +       envp[0] = buf;
> +       envp[1] = NULL;
> +       kobject_uevent_env(&curlun->dev.kobj, KOBJ_CHANGE, envp);
> +       sysfs_notify(&curlun->dev.kobj, NULL, "arbitration");
> +
> +       INIT_COMPLETION(curlun->arbitration_completion);
> +       ret = wait_for_completion_interruptible_timeout(
> +                                      &curlun->arbitration_completion, HZ * 5);

You race. The completion must be ready before you trigger an event.

	Regards
		Oliver
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