From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from lb3-smtp-cloud3.xs4all.net ([194.109.24.30]:35202 "EHLO lb3-smtp-cloud3.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750728AbcEDMrj (ORCPT ); Wed, 4 May 2016 08:47:39 -0400 Subject: Re: [PATCH 2/3] media: Add per-file-handle data support To: Sakari Ailus , linux-media@vger.kernel.org References: <1462361133-23887-1-git-send-email-sakari.ailus@linux.intel.com> <1462361133-23887-3-git-send-email-sakari.ailus@linux.intel.com> Cc: laurent.pinchart@ideasonboard.com, mchehab@osg.samsung.com, Laurent Pinchart From: Hans Verkuil Message-ID: <5729EF65.6000802@xs4all.nl> Date: Wed, 4 May 2016 14:47:33 +0200 MIME-Version: 1.0 In-Reply-To: <1462361133-23887-3-git-send-email-sakari.ailus@linux.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: On 05/04/2016 01:25 PM, Sakari Ailus wrote: > From: Laurent Pinchart > > The media devnode core associates devnodes with files by storing the > devnode pointer in the file structure private_data field. In order to > allow tracking of per-file-handle data introduce a new media devnode > file handle structure that stores the devnode pointer, and store a > pointer to that structure in the file private_data field. > > Users of the media devnode code (the only existing user being > media_device) are responsible for managing their own subclass of the > media_devnode_fh structure. > > Signed-off-by: Laurent Pinchart Acked-by: Hans Verkuil Regards, Hans