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From: "Daniel P. Berrange" <berrange@redhat.com>
To: Juan Quintela <quintela@redhat.com>
Cc: Eric Blake <eblake@redhat.com>,
	lvivier@redhat.com, qemu-devel@nongnu.org, peterx@redhat.com,
	dgilbert@redhat.com
Subject: Re: [Qemu-devel] [PATCH v7 01/22] Revert "io: add new qio_channel_{readv, writev, read, write}_all functions"
Date: Wed, 6 Sep 2017 17:32:05 +0100	[thread overview]
Message-ID: <20170906163205.GX15510@redhat.com> (raw)
In-Reply-To: <87pob351o5.fsf@secure.mitica>

On Wed, Sep 06, 2017 at 04:42:18PM +0200, Juan Quintela wrote:
> Eric Blake <eblake@redhat.com> wrote:
> > On 09/06/2017 06:51 AM, Juan Quintela wrote:
> >> This reverts commit d4622e55883211072621958d39ddaa73483d201e.
> >
> > But with no reason why?  What bugs are you fixing by reverting this?
> 
> I put it on the cover letter.  I am investigating *why* it fails on me.
> It got the thread handed.

Your functions return the number of bytes written. My impl only
returns the 0 or -1 on the basis that the caller does not need
to know how many bytes were written - its always exactly the
amount asked for. You probably need to adjust your code to take
that into account.

Regards,
Daniel
-- 
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  parent reply	other threads:[~2017-09-06 16:32 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-06 11:51 [Qemu-devel] [PATCH v7 00/22] Multifd Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 01/22] Revert "io: add new qio_channel_{readv, writev, read, write}_all functions" Juan Quintela
2017-09-06 14:00   ` Eric Blake
2017-09-06 14:42     ` Juan Quintela
2017-09-06 16:09       ` Eric Blake
2017-09-06 16:32       ` Daniel P. Berrange [this message]
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 02/22] migration: Create migration_ioc_process_incoming() Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 03/22] migration: Teach it about G_SOURCE_REMOVE Juan Quintela
2017-09-08 17:18   ` Dr. David Alan Gilbert
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 04/22] migration: Add comments to channel functions Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 05/22] migration: Create migration_has_all_channels Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 06/22] migration: Improve migration thread error handling Juan Quintela
2017-09-06 19:04   ` Dr. David Alan Gilbert
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 07/22] migration: Make migrate_fd_error() the owner of the Error Juan Quintela
2017-09-06 16:15   ` Eric Blake
2017-09-07 11:53     ` Juan Quintela
2017-09-11 18:58     ` Dr. David Alan Gilbert
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 08/22] qio: Create new qio_channel_{readv, writev}_all Juan Quintela
2017-09-06 14:03   ` Eric Blake
2017-09-06 14:11     ` Daniel P. Berrange
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 09/22] migration: Add multifd capability Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 10/22] migration: Create x-multifd-threads parameter Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 11/22] migration: Create x-multifd-group parameter Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 12/22] migration: Create multifd migration threads Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 13/22] migration: Split migration_fd_process_incoming Juan Quintela
2017-09-08 17:22   ` Dr. David Alan Gilbert
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 14/22] migration: Start of multiple fd work Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 15/22] migration: Create ram_multifd_page Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 16/22] migration: Really use multiple pages at a time Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 17/22] migration: Send the fd number which we are going to use for this page Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 18/22] migration: Create thread infrastructure for multifd recv side Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 19/22] migration: Test new fd infrastructure Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 20/22] migration: Rename initial_bytes Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 21/22] migration: Transfer pages over new channels Juan Quintela
2017-09-06 11:51 ` [Qemu-devel] [PATCH v7 22/22] migration: Flush receive queue Juan Quintela

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