linux-kernel - Re: [PATCH v2 RESEND] fs: return EPERM on immutable inode

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Date:	Wed, 3 Aug 2016 18:37:13 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	Eryu Guan <guaneryu@...il.com>
Cc:	linux-fsdevel@...r.kernel.org,
	Steven Whitehouse <swhiteho@...hat.com>,
	Bob Peterson <rpeterso@...hat.com>,
	Dave Chinner <david@...morbit.com>,
	"supporter:XFS FILESYSTEM" <xfs@....sgi.com>,
	"open list:GFS2 FILE SYSTEM" <cluster-devel@...hat.com>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 RESEND] fs: return EPERM on immutable inode

On Tue, Aug 02, 2016 at 07:58:28PM +0800, Eryu Guan wrote:
> In most cases, EPERM is returned on immutable inode, and there're only a
> few places returning EACCES. I noticed this when running LTP on
> overlayfs, setxattr03 failed due to unexpected EACCES on immutable
> inode.
> 
> So converting all EACCES to EPERM on immutable inode.
> 
> Acked-by: Dave Chinner <dchinner@...hat.com>
> Signed-off-by: Eryu Guan <guaneryu@...il.com>

Applied.