linux-kernel - Re: Return value of generic xattr operations

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Message-ID: <AANLkTik71N=OJOD5MvvBitUQM4C42-Q8HSrBc8NiBuSc@mail.gmail.com>
Date:	Sun, 26 Dec 2010 22:15:35 +0100
From:	Olaf van der Spek <olafvdspek@...il.com>
To:	Marco Stornelli <marco.stornelli@...il.com>
Cc:	Linux FS Devel <linux-fsdevel@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: Return value of generic xattr operations

On Sun, Dec 26, 2010 at 2:53 PM, Marco Stornelli
<marco.stornelli@...il.com> wrote:
> Hi,
>
> is it right that generic_setxattr & co. return -EOPNOTSUPP if there is a
> namespace error? I mean, if the user try to set <my own namespace>.foo
> attribute, the return value should be -EINVAL, isn't it? Operation not

Why?
There are multiple errors and only one can be returned.

> supported means that extended attributes are not enabled or not
> implemented by the fs. The man pages are not much clear about this
> point. What do you think?

Olaf
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