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From: Paolo Bonzini <pbonzini@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>,
	Eric Blake <eblake@redhat.com>,
	qemu-devel@nongnu.org, qemu-block@nongnu.org
Cc: kwolf@redhat.com, den@openvz.org, mreitz@redhat.com
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH 8/8] nbd: Minimal structured read for client
Date: Tue, 3 Oct 2017 16:06:37 +0200	[thread overview]
Message-ID: <ad2fa9f3-29b1-c00b-1e51-07604f0b45e0@redhat.com> (raw)
In-Reply-To: <ca5a605d-e548-5860-1e40-abcac6017683@virtuozzo.com>

On 03/10/2017 15:35, Vladimir Sementsov-Ogievskiy wrote:
>>>
>>> In the end this probably means that you have a read_chunk_header
>>> function and a read_chunk function.  READ has a loop that calls
>>> read_chunk_header followed by direct reading into the QEMUIOVector,
>>> while everyone else calls read_chunk.
>>
>> accordingly to spec, we can receive several error reply chunks to any
>> request,
>> so loop, receiving them should be common for all requests I think
> 
> as well as handling error chunks should be common..

Yes, reading error chunks should be part of read_chunk_header.

Paolo

  reply	other threads:[~2017-10-03 14:07 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-25 13:57 [Qemu-devel] [PATCH 0/8] nbd minimal structured read Vladimir Sementsov-Ogievskiy
2017-09-25 13:57 ` [Qemu-devel] [PATCH 1/8] block/nbd-client: assert qiov len once in nbd_co_request Vladimir Sementsov-Ogievskiy
2017-09-25 21:58   ` Eric Blake
2017-09-25 13:57 ` [Qemu-devel] [PATCH 2/8] block/nbd-client: refactor nbd_co_receive_reply Vladimir Sementsov-Ogievskiy
2017-09-25 21:59   ` Eric Blake
2017-09-25 13:57 ` [Qemu-devel] [PATCH 3/8] nbd: rename NBD_REPLY_MAGIC to NBD_SIMPLE_REPLY_MAGIC Vladimir Sementsov-Ogievskiy
2017-09-25 13:57 ` [Qemu-devel] [PATCH 4/8] nbd-server: refactor simple reply sending Vladimir Sementsov-Ogievskiy
2017-09-25 13:57 ` [Qemu-devel] [PATCH 5/8] nbd: header constants indenting Vladimir Sementsov-Ogievskiy
2017-09-25 13:57 ` [Qemu-devel] [PATCH 6/8] nbd: Minimal structured read for server Vladimir Sementsov-Ogievskiy
2017-09-25 13:58 ` [Qemu-devel] [PATCH 7/8] nbd/client: refactor nbd_receive_starttls Vladimir Sementsov-Ogievskiy
2017-09-25 13:58 ` [Qemu-devel] [PATCH 8/8] nbd: Minimal structured read for client Vladimir Sementsov-Ogievskiy
2017-09-25 22:19   ` Eric Blake
2017-09-27 10:05     ` Vladimir Sementsov-Ogievskiy
2017-09-27 12:32       ` Vladimir Sementsov-Ogievskiy
2017-09-27 15:10         ` [Qemu-devel] [PATCH v1.1 DRAFT] " Vladimir Sementsov-Ogievskiy
2017-10-03  9:59           ` Vladimir Sementsov-Ogievskiy
2017-10-03 10:07     ` [Qemu-devel] [Qemu-block] [PATCH 8/8] " Paolo Bonzini
2017-10-03 12:26       ` Vladimir Sementsov-Ogievskiy
2017-10-03 14:05         ` Paolo Bonzini
2017-10-03 12:58       ` Vladimir Sementsov-Ogievskiy
2017-10-03 13:35         ` Vladimir Sementsov-Ogievskiy
2017-10-03 14:06           ` Paolo Bonzini [this message]
2017-10-05  9:59             ` Vladimir Sementsov-Ogievskiy
2017-10-05 10:02             ` Vladimir Sementsov-Ogievskiy
2017-10-05 10:36               ` Paolo Bonzini
2017-10-05 22:12                 ` Eric Blake
2017-10-06  7:09                   ` Vladimir Sementsov-Ogievskiy
2017-10-06  7:23                     ` Vladimir Sementsov-Ogievskiy
2017-10-06  7:34                   ` Vladimir Sementsov-Ogievskiy
2017-10-06 13:44                     ` Eric Blake
2017-09-25 14:06 ` [Qemu-devel] [PATCH 0/8] nbd minimal structured read Vladimir Sementsov-Ogievskiy

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