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From: Nicolas Dichtel <nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public•gmane.org>
To: davem-fT/PcQaiUtIeIZ0/mPfg9Q@public•gmane.org,
	netdev-u79uwXL29TY76Z2rM5mHXA@public•gmane.org,
	philipp.reisner-63ez5xqkn6DQT0dZR+AlfA@public•gmane.org,
	drbd-dev-cunTk1MwBs8qoQakbn7OcQ@public•gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public•gmane.org
Subject: Re: [PATCH net-next v3] block/drbd: align properly u64 in nl messages
Date: Tue, 10 May 2016 11:09:53 +0200	[thread overview]
Message-ID: <5731A561.6090509@6wind.com> (raw)
In-Reply-To: <20160509131547.GX16459-w1SgEEioFePxa46PmUWvFg@public.gmane.org>

Le 09/05/2016 15:15, Lars Ellenberg a écrit :
> On Mon, May 09, 2016 at 11:40:20AM +0200, Nicolas Dichtel wrote:
[snip]
>> Maybe prefixing genl_magic_func.h and genl_magic_struct.h by 'drbd_'
>> could be interesting so that new module won't use it. What is your
>> opinion?
> 
> This was supposed to not be DRBD specific.  But it might even still
> need some massaging before it was truly generic. And obviously,
> it does not meet the taste of genetlink folks, to say the least :(
Yes, this file is not generic and netlink APIs are never defined like this.
These tons of macro complexifies the code too much. It's overengineering for
what purpose?
Small examples:
 - the drbd netlink API is not exported via uapi (I wonder how apps using this
   API get it)
 - v2 of the patch is nacked because adding a new attribute may break existing
   apps (in networking code, a lot of new attributes are added in each version)
 - it's not possible to grep to show the definition of an attribute ('git grep
   -w T_bits_total' returns only 1 line)


Regards,
Nicolas

  parent reply	other threads:[~2016-05-10  9:09 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-26  8:06 [PATCH net-next 0/8] netlink: align attributes when needed (patchset #3) Nicolas Dichtel
2016-04-26  8:06 ` [PATCH net-next 5/8] ovs: align nlattr properly when needed Nicolas Dichtel
2016-04-26  8:06 ` [PATCH net-next 6/8] rtnl: " Nicolas Dichtel
     [not found] ` <1461657978-13360-1-git-send-email-nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-04-26  8:06   ` [PATCH net-next 1/8] macsec: use nla_put_u64_64bit() Nicolas Dichtel
2016-04-26  8:06   ` [PATCH net-next 2/8] drivers/wireless: " Nicolas Dichtel
2016-04-26  8:06   ` [PATCH net-next 3/8] fs/quota: " Nicolas Dichtel
     [not found]     ` <1461657978-13360-4-git-send-email-nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-04-26 11:08       ` Jan Kara
     [not found]         ` <20160426110848.GD27612-4I4JzKEfoa/jFM9bn6wA6Q@public.gmane.org>
2016-04-26 12:31           ` Nicolas Dichtel
     [not found]             ` <571F5FBE.8050900-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-04-26 12:37               ` Jan Kara
2016-04-26 16:24         ` David Miller
2016-04-26  8:06   ` [PATCH net-next 4/8] sock_diag: align nlattr properly when needed Nicolas Dichtel
2016-04-26  8:06   ` [PATCH net-next 7/8] neigh: " Nicolas Dichtel
2016-04-26  8:06   ` [PATCH net-next 8/8] sched: " Nicolas Dichtel
2016-04-26 11:54   ` [PATCH net-next 0/8] netlink: align attributes when needed (patchset #3) Lars Ellenberg
     [not found]     ` <20160426115427.GB20950-w1SgEEioFePxa46PmUWvFg@public.gmane.org>
2016-04-26 12:18       ` Lars Ellenberg
2016-05-03  8:50         ` [PATCH net-next] block/drbd: use nla_put_u64_64bit() Nicolas Dichtel
2016-05-03  9:28           ` Nicolas Dichtel
2016-05-03  9:39             ` [PATCH net-next v2] " Nicolas Dichtel
     [not found]               ` <1462268358-19044-1-git-send-email-nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-05-03 10:06                 ` Lars Ellenberg
2016-05-03 12:07                   ` Nicolas Dichtel
2016-05-03 16:05                   ` David Miller
     [not found]                     ` <20160503.120556.1317913903199470646.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-05-04  9:05                       ` Lars Ellenberg
2016-05-04 12:49                         ` Nicolas Dichtel
     [not found]                           ` <5729EFBC.7040002-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-05-04 12:52                             ` Lars Ellenberg
2016-05-04 14:27                           ` Eric Dumazet
2016-05-04 16:50                             ` David Miller
2016-05-04 17:13                               ` Eric Dumazet
2016-05-04 16:47                           ` David Miller
2016-05-03 16:06                   ` David Miller
2016-05-09  9:40                   ` [PATCH net-next v3] block/drbd: align properly u64 in nl messages Nicolas Dichtel
     [not found]                     ` <1462786820-15519-1-git-send-email-nicolas.dichtel-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-05-09 13:15                       ` Lars Ellenberg
     [not found]                         ` <20160509131547.GX16459-w1SgEEioFePxa46PmUWvFg@public.gmane.org>
2016-05-10  9:09                           ` Nicolas Dichtel [this message]
     [not found]                             ` <5731A561.6090509-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2016-05-10  9:40                               ` Lars Ellenberg
2016-05-10 10:06                                 ` [Drbd-dev] " Nicolas Dichtel
2016-05-10 15:39                                 ` David Miller
     [not found]                                   ` <20160510.113949.2077250222547175741.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-05-10 19:09                                     ` Lars Ellenberg
2016-05-10 19:26                                       ` [Drbd-dev] " David Miller
2016-04-26 16:25       ` [PATCH net-next 0/8] netlink: align attributes when needed (patchset #3) David Miller
2016-04-26 16:02   ` David Miller

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