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Message-ID: <20190626153036.GD5171@magnolia>
Date: Wed, 26 Jun 2019 08:30:36 -0700
From: "Darrick J. Wong" <darrick.wong@...cle.com>
To: Al Viro <viro@...iv.linux.org.uk>
Cc: matthew.garrett@...ula.com, yuchao0@...wei.com, tytso@....edu,
shaggy@...nel.org, ard.biesheuvel@...aro.org, josef@...icpanda.com,
hch@...radead.org, clm@...com, adilger.kernel@...ger.ca,
jk@...abs.org, jack@...e.com, dsterba@...e.com, jaegeuk@...nel.org,
cluster-devel@...hat.com, jfs-discussion@...ts.sourceforge.net,
linux-efi@...r.kernel.org, Jan Kara <jack@...e.cz>,
reiserfs-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-f2fs-devel@...ts.sourceforge.net, linux-xfs@...r.kernel.org,
linux-nilfs@...r.kernel.org, linux-mtd@...ts.infradead.org,
ocfs2-devel@....oracle.com, linux-fsdevel@...r.kernel.org,
linux-ext4@...r.kernel.org, Christoph Hellwig <hch@....de>,
linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 1/5] vfs: create a generic checking and prep function for
FS_IOC_SETFLAGS
On Wed, Jun 26, 2019 at 05:02:02AM +0100, Al Viro wrote:
> On Tue, Jun 25, 2019 at 07:32:10PM -0700, Darrick J. Wong wrote:
> > From: Darrick J. Wong <darrick.wong@...cle.com>
> >
> > Create a generic function to check incoming FS_IOC_SETFLAGS flag values
> > and later prepare the inode for updates so that we can standardize the
> > implementations that follow ext4's flag values.
>
> Change in efivarfs behaviour deserves a note. I'm not saying it's wrong,
> but behaviour is changed there - no-op FS_IOC_SETFLAGS used to fail
> without CAP_LINUX_IMMUTABLE...
Ok, will do. FWIW I wondered about fixing the orangefs usage too (using
an unsigned long uval to hold the contents of an unsigned int coming
from userspace) but ... that's their decision.
--D
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