From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o97NNrvM234719 for ; Thu, 7 Oct 2010 18:23:54 -0500 Received: from mail.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id E190718D7729 for ; Thu, 7 Oct 2010 16:24:55 -0700 (PDT) Received: from mail.internode.on.net (bld-mail19.adl2.internode.on.net [150.101.137.104]) by cuda.sgi.com with ESMTP id doLJ9qCkz3jvVyGH for ; Thu, 07 Oct 2010 16:24:55 -0700 (PDT) Date: Fri, 8 Oct 2010 10:24:51 +1100 From: Dave Chinner Subject: Re: fallocate() on XFS clobbers S*ID-bits Message-ID: <20101007232451.GO4681@dastard> References: <20101007183418.GC5621@incendiary.meterriblecrew.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20101007183418.GC5621@incendiary.meterriblecrew.net> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Andreas Wiese Cc: xfs@oss.sgi.com, Linux Kernel Mailing List , Ciaran McCreesh WyBhZGRlZCB4ZnMgbGlzdCBvbiBjYyBdCgpPbiBUaHUsIE9jdCAwNywgMjAxMCBhdCAwODozNDox OVBNICswMjAwLCBBbmRyZWFzIFdpZXNlIHdyb3RlOgo+IEhlbGxvLgo+IAo+IEkgKHdpdGggc3Vw cG9ydCBmcm9tIENjJ2VkIENpYXJhbikganVzdCBub3RpY2VkIHNvbWUgb2RkIGJlaGF2aW91ciB3 aXRoCj4gZmFsbG9jYXRlKCkgb24gWEZTLiAgQWZ0ZXIgb3BlbigpaW5nIHNvbWUgZmlsZSBhbmQg c2V0dGluZyBpdCBTKklEIHZpYQo+IGZjaG1vZCgpLCBTKklEIGJpdHMgdmFuaXNoIGFmdGVyIGNh bGxpbmcgZmFsbG9jYXRlKCkg4oCUIGFzIHN1cHBvc2VkIHRvCj4gZm9yIG5vbi1yb290IHVzZXJz LCBidXQgaXQgYWxzbyBoYXBwZW5zIGZvciByb290Lgo+IAo+IElzIHRoaXMgaW50ZW5kZWQgYmVo YXZpb3VyIG9yIGRpZCB3ZSBzcG90IGEgYnVnIGhlcmU/Cj4gCj4gQXQgbGVhc3Qgb24gZXh0MiBp dCB3b3JrcyBhcyBleHBlY3RlZCwgdGh1cyBJIGd1ZXNzIGl0J3MgdGhlIGxhdHRlciBvbmUuCgpl eHQyIGRvZXMgbm90IHN1cHBvcnQgdGhlIGZhbGxvY2F0ZSBzeXNjYWxsLiBIb3cgZG9lcyBleHQ0 IGJlaGF2ZT8KCj4gSSdtIHJ1bm5pbmcgdjIuNi4zNS43IHZhbmlsbGEta2VybmVsLCBidXQgZGlm ZmluZyBmcy94ZnMgdG8gbWFzdGVyCj4gZG9lc24ndCBzZWVtIHRvIGFkZHJlc3MgdGhpcyBpc3N1 ZS4KClhGUyBoYXMgYWx3YXlzIGNsZWFyZWQgU1VJRC9TR0lEIGJpdHMgd2hlbiBkb2luZyBwcmVh bGxvY2F0aW9uICh2aWEKWEZTX0lPQ19SRVNWU1ApLiBHaXZlbiB0aGF0IHRoYXQgWEZTIGlvY3Rs IGZvcm1lZCB0aGUgbW9kZWwgZm9yCmZhbGxvY2F0ZSwgSSdkIGFyZ3VlIHRoYXQgdGhlIFhGUyBi ZWhhdmlvdXIgaXMgdGhlIG9uIHRoYXQgc2hvdWxkIGJlCmZvbGxvd2VkLgoKSXQnZCBiZSBhIGJp dCBzaWxseSBmb3IgdHdvIGRpZmZlcmVudCBwcmVhbGxvY2F0aW9uIGludGVyZmFjZXMgdG8KaGF2 ZSBkaWZmZXJlbnQgYmVoYXZpb3VyIHcuci50LiBTVUlEIGJpdHMsIGJ1dCBpdCdzIG5vdCBjbGVh ciB0byBtZQp3aGljaCBiZWhhdmlvdXIgaXMgY29ycmVjdC4gSSdtIGhhcHB5IHRvIGRlZmVyIHRv IHdob2V2ZXIgY2FuIHNheQp3aGF0IHRoZSBiZWhhdmlvdXIgaXMgc3VwcG9zZWQgdG8gYmUgaGVy ZS4uLgoKQ2hlZXJzLAoKRGF2ZS4KLS0gCkRhdmUgQ2hpbm5lcgpkYXZpZEBmcm9tb3JiaXQuY29t CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwp4ZnMgbWFp bGluZyBsaXN0Cnhmc0Bvc3Muc2dpLmNvbQpodHRwOi8vb3NzLnNnaS5jb20vbWFpbG1hbi9saXN0 aW5mby94ZnMK