From: Alex Bligh <alex@alex.org.uk>
To: Pranay Srivastava <pranjas@gmail.com>
Cc: Alex Bligh <alex@alex.org.uk>,
Markus Pargmann <mpa@pengutronix.de>,
"nbd-general@lists.sourceforge.net"
<nbd-general@lists.sourceforge.net>, Wouter Verhelst <w@uter.be>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [Nbd] [PATCH 2/2] nbd: Disallow ioctls on disconnected block device
Date: Sat, 16 Jul 2016 10:32:11 +0100 [thread overview]
Message-ID: <B7A824DF-5E27-4990-9AC3-E7171651CAC2@alex.org.uk> (raw)
In-Reply-To: <CA+aCy1HczXwRxhMSghXMij1uREWTO_EgK9t0HKKFhh0paSKfeA@mail.gmail.com>
On 16 Jul 2016, at 08:42, Pranay Srivastava <pranjas@gmail.com> wrote:
> So instead can't we put a mechanism in place for network address + mac
> to be same
> for allowing clients to reconnect? Do let me know if this is not of concern.
MAC address?! nbd clients connect over IP, and if a router reboots
between them, you could easily see two packets from the same client
come from different MAC addresses. Similarly all clients not on
the same L2 network will carry the same MAC address. So MAC address
is a very poor indicator of 'same client'.
IP address is also a poor indicator (think NAT) but is substantially
less bad.
--
Alex Bligh
next prev parent reply other threads:[~2016-07-16 9:39 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 11:26 [PATCH 0/4]nbd: fixes for nbd Pranay Kr. Srivastava
2016-05-24 11:26 ` [PATCH 1/4] fix might_sleep warning on socket shutdown Pranay Kr. Srivastava
2016-05-30 12:06 ` Markus Pargmann
2016-05-24 11:26 ` [PATCH 2/4] fix various coding standard warnings Pranay Kr. Srivastava
2016-05-24 11:26 ` [PATCH 3/4] make nbd device wait for its users Pranay Kr. Srivastava
2016-05-30 10:44 ` Markus Pargmann
2016-05-24 11:26 ` [PATCH 4/4] use device_attr macros for sysfs attribute Pranay Kr. Srivastava
2016-05-30 3:35 ` [PATCH 0/4]nbd: fixes for nbd Pranay Srivastava
2016-05-30 12:27 ` Markus Pargmann
2016-06-02 10:24 ` [PATCH v2 0/5] nbd: " Pranay Kr. Srivastava
2016-06-02 10:24 ` [PATCH v2 1/5] nbd: fix might_sleep warning on socket shutdown Pranay Kr. Srivastava
2016-06-09 10:03 ` Pranay Srivastava
2016-06-14 5:13 ` Pranay Srivastava
2016-06-14 8:52 ` Markus Pargmann
2016-06-14 9:50 ` Pranay Srivastava
2016-06-24 10:09 ` [PATCH v3 0/3] nbd: resolve bugs and limitations Pranay Kr. Srivastava
2016-06-24 10:09 ` [PATCH v3 1/3]nbd: fix might_sleep warning on socket shutdown Pranay Kr. Srivastava
2016-06-28 5:42 ` Pranay Srivastava
2016-06-29 7:18 ` Markus Pargmann
2016-06-24 10:09 ` [PATCH v3 2/3]nbd: cleanup nbd_set_socket Pranay Kr. Srivastava
2016-06-24 10:09 ` [PATCH 3/3]nbd: make nbd device wait for its users Pranay Kr. Srivastava
2016-06-24 13:42 ` [Nbd] " Eric Blake
2016-06-25 17:56 ` Pranay Srivastava
2016-06-25 18:01 ` Pranay Srivastava
2016-06-29 7:06 ` Markus Pargmann
2016-06-29 7:15 ` Pranay Srivastava
2016-06-02 10:24 ` [PATCH v2 2/5]nbd: cleanup nbd_set_socket Pranay Kr. Srivastava
2016-06-02 10:24 ` [PATCH v2 3/5]nbd: fix various coding standard warnings Pranay Kr. Srivastava
2016-06-02 10:25 ` [PATCH v2 4/5]nbd: make nbd device wait for its users Pranay Kr. Srivastava
2016-06-14 8:59 ` Markus Pargmann
2016-06-14 9:33 ` Pranay Srivastava
2016-06-15 6:30 ` Markus Pargmann
2016-06-15 7:00 ` [Nbd] " Wouter Verhelst
2016-06-15 9:18 ` Pranay Srivastava
2016-06-15 9:17 ` Pranay Srivastava
2016-06-24 9:29 ` [PATCH 1/2] nbd: " Markus Pargmann
2016-06-24 9:29 ` [PATCH 2/2] nbd: Disallow ioctls on disconnected block device Markus Pargmann
2016-07-16 7:42 ` Pranay Srivastava
2016-07-16 9:32 ` Alex Bligh [this message]
2016-07-16 10:08 ` [Nbd] " Pranay Srivastava
2016-07-16 11:26 ` Wouter Verhelst
2016-07-16 13:31 ` Pranay Srivastava
2016-06-24 9:39 ` [PATCH 1/2] nbd: make nbd device wait for its users Pranay Srivastava
2016-06-24 13:40 ` [Nbd] " Eric Blake
2016-06-25 17:52 ` Pranay Srivastava
2016-06-29 6:57 ` Markus Pargmann
2016-06-02 10:25 ` [PATCH v2 5/5]nbd: use device_attr macros for sysfs attribute Pranay Kr. Srivastava
[not found] ` <CA+aCy1E0S4ofa04xcO9qxQmuipaF5wdnrv3ubSvETn-rBYYisA@mail.gmail.com>
2016-06-06 11:07 ` [PATCH 0/4]nbd: fixes for nbd Pranay Srivastava
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