linux-kernel - Re: [PATCH] btrfs: bugfix: handle FS_IOC32_{GETFLAGS,SETFLAGS,GETVERSION} in btrfs

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Message-ID: <20150514140617.GY23255@twin.jikos.cz>
Date:	Thu, 14 May 2015 16:06:17 +0200
From:	David Sterba <dsterba@...e.cz>
To:	Luke Dashjr <luke@...hjr.org>
Cc:	Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>,
	David Sterba <dsterba@...e.cz>, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	trivial@...nel.org
Subject: Re: [PATCH] btrfs: bugfix: handle
 FS_IOC32_{GETFLAGS,SETFLAGS,GETVERSION} in btrfs_ioctl

On Wed, May 13, 2015 at 05:15:26PM +0000, Luke Dashjr wrote:
> 32-bit ioctl uses these rather than the regular FS_IOC_* versions. They can be 
> handled in btrfs using the same code. Without this, 32-bit {ch,ls}attr fail.

Yes, but this has to be implemented in another way. See eg.
https://git.kernel.org/linus/e9750824114ff
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