From: Josh Durgin <josh.durgin@inktank.com>
To: Rutger ter Borg <rutger@terborg.net>
Cc: ceph-devel@vger.kernel.org
Subject: Re: [rados] Asynchronous operations
Date: Mon, 23 Jul 2012 09:07:20 -0700 [thread overview]
Message-ID: <500D76B8.1070705@inktank.com> (raw)
In-Reply-To: <jujscq$sug$1@dough.gmane.org>
On 07/23/2012 08:59 AM, Rutger ter Borg wrote:
> On 06/27/2012 05:22 PM, Sage Weil wrote:
>>
>> There is a get_return_value() method on the AioCompletion that gives you
>> bytes read (for reads). For write operations, it is always 0
>> (success) or
>> an error code.
>>
>
> Thanks for the info. Maybe a bit of a newbie question, but in that case,
> how do I detect a read error, given an AioCompletion object?
It's the same as with writes - if there's an error, get_return_value
will give you the negative error code (i.e. -ENOENT, -EPERM, etc).
prev parent reply other threads:[~2012-07-23 16:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-27 7:32 [rados] Asynchronous operations Rutger ter Borg
2012-06-27 15:22 ` Sage Weil
2012-07-23 15:59 ` Rutger ter Borg
2012-07-23 16:07 ` Josh Durgin [this message]
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