linux-ext4 - Re: [PATCH 0/6] Extended file stat system call

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Message-ID: <19638.1335449047@redhat.com>
Date:	Thu, 26 Apr 2012 15:04:07 +0100
From:	David Howells <dhowells@...hat.com>
To:	Paul Eggert <eggert@...ucla.edu>
Cc:	dhowells@...hat.com, Roland McGrath <roland@...k.frob.com>,
	linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
	linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
	linux-ext4@...r.kernel.org, wine-devel@...ehq.org,
	kfm-devel@....org, nautilus-list@...me.org,
	linux-api@...r.kernel.org, libc-alpha@...rceware.org
Subject: Re: [PATCH 0/6] Extended file stat system call

Paul Eggert <eggert@...ucla.edu> wrote:

> On 04/19/2012 09:32 AM, Roland McGrath wrote:
> > I have no comment on the functionality.  But "xstat" is probably a poor
> > choice of name. 
> 
> In AIX 7.1 the (similar) function is called statxat instead of xstat.
> The API isn't exactly the same, but it's the same basic idea.
> Might be worth looking at, not merely to see whether the API
> should be the same, but also to borrow good ideas even if not.
> 
> http://pic.dhe.ibm.com/infocenter/aix/v7r1/topic/com.ibm.aix.basetechref/doc/basetrf2/statx.htm

Interesting.  I wasn't intending to provide both statx() and statxat()
variants, just the latter, in which case I'd've though that -at suffix is
redundant.

I note that they split their time fields into separate seconds and ns fields,
presumably for better packing.

David
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