From: Wouter Verhelst <w@uter.be>
To: Alex Bligh <alex@alex.org.uk>
Cc: Eric Blake <eblake@redhat.com>,
"nbd-general@lists.sourceforge.net"
<nbd-general@lists.sourceforge.net>,
Paolo Bonzini <pbonzini@redhat.com>,
qemu-block@nongnu.org,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [Nbd] [PATCH v4 04/11] nbd: Improve server handling of bogus commands
Date: Wed, 15 Jun 2016 09:02:57 +0200 [thread overview]
Message-ID: <20160615070257.GB3787@grep.be> (raw)
In-Reply-To: <6DD06745-C91C-4BFB-BFE5-92E5982ACB42@alex.org.uk>
On Mon, Jun 13, 2016 at 10:41:05PM +0100, Alex Bligh wrote:
> For amusement value, the non-threaded handler (which is not used
> any more) does not send any payload on an error:
> https://github.com/yoe/nbd/blob/master/nbd-server.c#L1734
nbd-server used to just drop the connection on read error.
> In essence read error handling is a horrible mess in NBD, and
> I would not expect it to work in general :-(
--
< ron> I mean, the main *practical* problem with C++, is there's like a dozen
people in the world who think they really understand all of its rules,
and pretty much all of them are just lying to themselves too.
-- #debian-devel, OFTC, 2016-02-12
next prev parent reply other threads:[~2016-06-15 7:03 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-11 22:39 [Qemu-devel] [PATCH v4 00/11] nbd: tighter protocol compliance Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 01/11] nbd: Use BDRV_REQ_FUA for better FUA where supported Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 02/11] nbd: More debug typo fixes, use correct formats Eric Blake
2016-06-13 12:04 ` Paolo Bonzini
2016-06-13 12:21 ` Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 03/11] nbd: Quit server after any write error Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 04/11] nbd: Improve server handling of bogus commands Eric Blake
2016-06-13 12:10 ` Paolo Bonzini
2016-06-13 12:25 ` Eric Blake
2016-06-13 21:41 ` Alex Bligh
2016-06-14 13:32 ` Paolo Bonzini
2016-06-14 15:02 ` Alex Bligh
2016-06-14 15:11 ` Paolo Bonzini
2016-06-14 15:59 ` Alex Bligh
2016-06-14 22:05 ` Paolo Bonzini
2016-06-15 7:05 ` [Qemu-devel] [Nbd] " Wouter Verhelst
2016-06-15 8:03 ` Wouter Verhelst
2016-06-15 8:52 ` Alex Bligh
2016-06-15 9:18 ` Paolo Bonzini
2016-06-15 10:27 ` Alex Bligh
2016-06-15 10:34 ` Paolo Bonzini
2016-06-15 12:13 ` Wouter Verhelst
2016-06-15 7:02 ` Wouter Verhelst [this message]
2016-06-13 12:19 ` [Qemu-devel] " Paolo Bonzini
2016-06-13 16:54 ` Eric Blake
2016-06-14 18:24 ` Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 05/11] nbd: Reject unknown request flags Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 06/11] nbd: Group all Linux-specific ioctl code in one place Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 07/11] nbd: Clean up ioctl handling of qemu-nbd -c Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 08/11] nbd: Limit nbdflags to 16 bits Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 09/11] nbd: Add qemu-nbd -D for human-readable description Eric Blake
2016-05-12 7:47 ` Daniel P. Berrange
2016-05-12 15:38 ` Eric Blake
2016-05-12 15:51 ` Daniel P. Berrange
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 10/11] nbd: Detect servers that send unexpected error values Eric Blake
2016-05-11 22:39 ` [Qemu-devel] [PATCH v4 11/11] nbd: Avoid magic number for NBD max name size Eric Blake
2016-05-12 16:04 ` [Qemu-devel] [PATCH v4 00/11] nbd: tighter protocol compliance Alex Bligh
2016-06-01 23:02 ` Eric Blake
2016-06-13 16:28 ` Paolo Bonzini
2016-06-13 16:49 ` Eric Blake
2016-06-14 16:31 ` Paolo Bonzini
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