From owner-freebsd-fs@freebsd.org Thu Sep 28 16:40:05 2017 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C1032E033AE for ; Thu, 28 Sep 2017 16:40:05 +0000 (UTC) (envelope-from rde@tavi.co.uk) Received: from kipling.tavi.co.uk (kipling.tavi.co.uk [81.187.145.130]) by mx1.freebsd.org (Postfix) with ESMTP id 74A2D653DE for ; Thu, 28 Sep 2017 16:40:04 +0000 (UTC) (envelope-from rde@tavi.co.uk) Received: from kipling.tavi.co.uk (localhost [127.0.0.1]) by kipling.tavi.co.uk (Postfix) with ESMTP id 5C82B892C4 for ; Thu, 28 Sep 2017 17:34:41 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=tavi.co.uk; h=date:from:to :subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; s=selector1; bh=2VEAG3I 6kb7Sloz1K0x8NAP65ZA=; b=U24fDyOzOPH3YoSKjcXrZybjru2vL64YhzTfNX2 f20g5MkVgHMSOIu3M7au614tDXeNNMjx51wiZy50enqnlgdBGUgQdShh3ABHYpXU n20cpS56fPgNYTY2I0kyc/blStHAZ9evzzOdlUtqAgh/417SlCWNkwqBJ26TuuMo yPds= Received: from raksha.tavi.co.uk (raksha.tavi.co.uk [81.187.145.139]) (Authenticated sender: rde@tavi.co.uk) by kipling.tavi.co.uk (Postfix) with ESMTPA id 28289892C3 for ; Thu, 28 Sep 2017 17:34:41 +0100 (BST) Date: Thu, 28 Sep 2017 17:34:28 +0100 From: Bob Eager To: freebsd-fs@freebsd.org Subject: Re: How to create holes in files ? Message-ID: <20170928173428.42d1619c@raksha.tavi.co.uk> In-Reply-To: <20170928172609.0e6d5c77@fabiankeil.de> References: <44E32501-4213-4A09-992C-92DB4EF33C0C@gmail.com> <20170928172609.0e6d5c77@fabiankeil.de> X-Mailer: Claws Mail 3.15.0 (GTK+ 2.24.31; i386-portbld-freebsd11.0) Face: 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==== MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: base64 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Sep 2017 16:40:05 -0000 LS0tLS1CRUdJTiBQR1AgU0lHTkVEIE1FU1NBR0UtLS0tLQ0KSGFzaDogU0hBMjU2DQoNCk9uIFRo dSwgMjggU2VwIDIwMTcgMTc6MjY6MDkgKzAyMDANCkZhYmlhbiBLZWlsIDxmcmVlYnNkLWxpc3Rl bkBmYWJpYW5rZWlsLmRlPiB3cm90ZToNCg0KPiBCZW4gUlVCU09OIDxiZW4ucnVic29uQGdtYWls LmNvbT4gd3JvdGU6DQo+IA0KPiA+IEknbSB0cnlpbmcgdG8gbWFrZSBob2xlcyBpbiBmaWxlcyBp biBDLg0KPiA+IEdvYWwgaXMgdG8gZGVhbGxvY2F0ZSBodWdlIGZpbGVzIG9uIFpGUyB3aGlsZSAo cmFuZG9tbHkpIHJlYWRpbmcNCj4gPiB0aGVtLiAgDQo+IA0KPiBNeSBpbnRlcnByZXRhdGlvbiBv ZiB0aGUgYWJvdmUgaXMgdGhhdCB5b3Ugd2FudCB0byBjcmVhdGUgaG9sZXMNCj4gd2l0aG91dCBj aGFuZ2luZyB0aGUgZmlsZSBzaXplIGFuZCB3aXRob3V0IGFmZmVjdGluZyBkYXRhIHRoYXQNCj4g aXMgbG9jYXRlZCBiZWZvcmUgb3IgYWZ0ZXIgdGhlIGhvbGVzIHRoYXQgeW91IHdhbnQgdG8gY3Jl YXRlLg0KPiANCj4gT3RoZXJ3aXNlIHlvdSBjb3VsZCBzaW1wbHkgImRlYWxsb2NhdGUiIHRoZSBj b250ZW50IHdpdGgNCj4gdHJ1bmNhdGUoMSkuDQoNCklmIGhlIGRvZXNuJ3QgbWluZCBjb3B5aW5n IHRoZSBmaWxlcywgZGQoMSkgd2lsbCBkbyB0aGUgam9iLiBIb3dldmVyLCBJDQpleHBlY3QgdGhh dCBkb2Vzbid0IG1lZXQgaGlzIGNyaXRlcmlhLg0KLS0tLS1CRUdJTiBQR1AgU0lHTkFUVVJFLS0t LS0NCg0KaVFFekJBRUJDQUFkRmlFRVZnZEkyS2VWbGRQQWhVWWFLQmRmMmF6OGU2Z0ZBbG5OSkpR QUNna1FLQmRmMmF6OA0KZTZqd3RRZi9XZXh0OW1wZGlnaEtZZnNaVlo0bUhVZkR1OGxQcmIrQ1Rj MDcxa2JBU3pTMGJ2MzZuVnM2cnZ4Wg0KN0o1akZQK0VNQTh4S0E3V04ycTF0OElaYWlWVkVaSG9x cCtOUW9qcDEzYzBnN0R0YUtNSGNDclpkZXNuWXBRVg0Kejl1MFd4cFpjQ20vZjZIK1R2Tzh3bG5Z QVh2QW50QjBuSUE1UjZVUFR5TVhjR1NuamZEa2cwMlR6cStBS0owcw0KbmNYazR3WFNST05NQW5i Q3hIdVkwOXY5MnJmY2lKdjhWbHZha0d4RmMyMFJ6WHFEdXZLWXNhRm1rK2dPdURCTA0KUE1kZE95 V0tVVVdPY1RBcHVEc2lqN1lxN3dBN0UyNTZ1VitpSStuZFUrRjh0WHNMdTB0T21NU0J3aDRFRm9w YQ0KVzlQYVF2ZHpyNm45dkh1Mm14aFpuVmtOY1VWeVl3PT0NCj1kTnEwDQotLS0tLUVORCBQR1Ag U0lHTkFUVVJFLS0tLS0NCg==