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From: "Christoph Böhmwalder" <christoph.boehmwalder@linbit.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: drbd-dev@lists.linbit.com, linux-kernel@vger.kernel.org,
	 Lars Ellenberg <lars.ellenberg@linbit.com>,
	Philipp Reisner <philipp.reisner@linbit.com>,
	 linux-block@vger.kernel.org,
	Donald Hunter <donald.hunter@gmail.com>,
	 Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org
Subject: Re: [PATCH v2 0/2] drbd: switch from genl_magic to YNL
Date: Wed, 6 May 2026 14:44:58 +0200	[thread overview]
Message-ID: <afs3cyhtAbsr6T1D@localhost.localdomain> (raw)
In-Reply-To: <20260506123926.1944290-1-christoph.boehmwalder@linbit.com>

On Wed, May 06, 2026 at 02:39:24PM +0200, Christoph Böhmwalder wrote:
>DRBD's genetlink interface was defined using a custom multi-include
>macro system, genl_magic_{func,struct}.h. This system generated struct
>definitions, netlink policies, serialization functions and more
>from a single "magic" header.
>It never really caught on; DRBD is its only user, its internal macro
>jungle is next to impossible to understand, and even harder to debug.
>
>This series replaces it with the standard solution, YNL.
>The *_gen.[ch] files were created with a modified YNL generator, but
>these modifications are not shipped because the current DRBD family is
>effectively frozen.
>
>Note: this family primarily aims for compatibility with existing
>userspace. The next planned step is a new (also YNL-based) family,
>"drbd2", which will implement all the actual modern recommendations for
>new netlink families.
>
>Changes from v1:
>- Remove YNL generator patches, ship just the generated code

Sorry everyone, this series was based on an old commit and does not
compile. Please disregard and look at v3 instead.

      parent reply	other threads:[~2026-05-06 12:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-06 12:39 [PATCH v2 0/2] drbd: switch from genl_magic to YNL Christoph Böhmwalder
2026-05-06 12:39 ` [PATCH v2 1/2] drbd: move UAPI headers to include/uapi/linux/ Christoph Böhmwalder
2026-05-06 12:39 ` [PATCH v2 2/2] drbd: replace genl_magic with explicit netlink serialization Christoph Böhmwalder
2026-05-06 12:44 ` Christoph Böhmwalder [this message]

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