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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>,
	"Martin Schwidefsky" <schwidefsky@de.ibm.com>,
	"Heiko Carstens" <heiko.carstens@de.ibm.com>,
	"Willem Riede" <osst@riede.org>,
	"James E.J. Bottomley" <jejb@linux.vnet.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	"Kai Mäkisara" <Kai.Makisara@kolumbus.fi>,
	linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
	linux-s390@vger.kernel.org, osst-users@lists.sourceforge.net,
	linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH 11/11] compat_ioctl: move tape handling into drivers
Date: Sun, 9 Sep 2018 05:37:58 +0100	[thread overview]
Message-ID: <20180909043746.GF19965@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20180908142837.2819693-11-arnd@arndb.de>

On Sat, Sep 08, 2018 at 04:28:17PM +0200, Arnd Bergmann wrote:
> MTIOCPOS and MTIOCGET are incompatible between 32-bit and 64-bit user
> space, and traditionally have been translated in fs/compat_ioctl.c.
> 
> To get rid of that translation handler, move a corresponding
> implementation into each of the four drivers implementing those commands.
> 
> The interesting part of that is now in a new linux/mtio.h header that
> wraps the existing uapi/linux/mtio.h header and provides an abstraction
> to let drivers handle both cases easily.

Ugh...  Frankly, this bool compat passed all way down looks wrong.
I can live with that; the question is whether block folks will be
OK with that thing...

  reply	other threads:[~2018-09-09  9:27 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-08 14:28 [PATCH 01/11] compat_ioctl: remove keyboard ioctl translation Arnd Bergmann
2018-09-08 14:28 ` [PATCH 02/11] compat_ioctl: remove HIDIO translation Arnd Bergmann
2018-09-08 14:28 ` [PATCH 03/11] compat_ioctl: remove translation for sound ioctls Arnd Bergmann
2018-09-09  4:16   ` Al Viro
2018-09-11 19:35     ` Arnd Bergmann
2018-09-08 14:28 ` [PATCH 04/11] compat_ioctl: remove isdn ioctl translation Arnd Bergmann
2018-09-08 14:28 ` [PATCH 05/11] compat_ioctl: remove IGNORE_IOCTL() Arnd Bergmann
2018-09-08 14:28 ` [PATCH 06/11] compat_ioctl: remove /dev/random commands Arnd Bergmann
2018-09-09  4:11   ` Al Viro
2018-09-11 20:26     ` Arnd Bergmann
2018-09-12  5:28       ` Martin Schwidefsky
2018-09-12 14:02         ` Arnd Bergmann
2018-09-13  6:42           ` Martin Schwidefsky
2018-09-13  8:13             ` Arnd Bergmann
2018-09-08 14:28 ` [PATCH 07/11] compat_ioctl: remove joystick ioctl translation Arnd Bergmann
2018-09-08 14:28 ` [PATCH 08/11] compat_ioctl: remove PCI " Arnd Bergmann
2018-09-08 14:28 ` [PATCH 09/11] compat_ioctl: remove /dev/raw " Arnd Bergmann
2018-09-08 14:28 ` [PATCH 10/11] compat_ioctl: remove last RAID handling code Arnd Bergmann
2018-09-08 14:28 ` [PATCH 11/11] compat_ioctl: move tape handling into drivers Arnd Bergmann
2018-09-09  4:37   ` Al Viro [this message]
2018-09-11 15:36     ` Arnd Bergmann
2018-09-11 20:13       ` Arnd Bergmann

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