linux-kernel - Re: [RFC] Heads up on sys

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Date:	Thu, 01 Mar 2007 14:15:58 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Alan <alan@...rguk.ukuu.org.uk>
CC:	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>, suparna@...ibm.com,
	cmm@...ibm.com, alex@...sterfs.com, suzuki@...ibm.com
Subject: Re: [RFC] Heads up on sys_fallocate()

Alan wrote:
> ENOSYS indicates quite different things and ENOTTY is also used for
> syscalls. I still think ENOTTY is correct.
>   
Yes, ENOSYS tends to me "operation flat out not support" rather than
"not on this object".  I think we can do better than ENOTTY though -
ENOTSUP for example (modulo the confusion over EOPNOTSUPP).

(You can tell the patch has very little real substance if we're arguing
over errnos at this point :)

    J
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