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Re: [PATCH] xfs: fix sgid inheritance for subdirectories inheriting defa

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH] xfs: fix sgid inheritance for subdirectories inheriting default acls
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Tue, 18 Jun 2013 16:21:54 +1000
Cc: Carlos Maiolino <cmaiolino@xxxxxxxxxx>, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20130618055709.GA11600@xxxxxxxxxxxxx>
References: <1371238877-5722-1-git-send-email-cmaiolino@xxxxxxxxxx> <20130618044931.GQ29338@dastard> <20130618045529.GA20365@xxxxxxxxxxxxx> <20130618055351.GR29338@dastard> <20130618055709.GA11600@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Mon, Jun 17, 2013 at 10:57:09PM -0700, Christoph Hellwig wrote:
> On Tue, Jun 18, 2013 at 03:53:51PM +1000, Dave Chinner wrote:
> > > I'd rather opencode updating the mode here, it's really just a tiny bit
> > > of boilerplate code.
> > 
> > Needs a transaction, though. Right now, there's no transaction code
> > at all in xfs_acl.c and I'd kind of like to keep it that way as it's
> > just a translation layer....
> 
> True.  Maybe as a quick hack just extend the meaning of XFS_ATTR_NOACL
> to also not do the checks?  It's already the magic flag to mean that
> we are called from the ACL code.

That would work, too. I hadn't connected the dots with that flag,
but it's a good fit for this case. It's probably the least intrusive
fix....

> Alternatively move all of xfs_set_mode, or at least everything around
> the "if (mode != inode->i_mode) " to xfs_iops.c.

<shrug>

I'm don't really care that much where it is ;)

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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