From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay1.corp.sgi.com [137.38.102.111]) by oss.sgi.com (Postfix) with ESMTP id 13CD87F47 for ; Tue, 18 Nov 2014 16:35:32 -0600 (CST) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by relay1.corp.sgi.com (Postfix) with ESMTP id F32588F8037 for ; Tue, 18 Nov 2014 14:35:31 -0800 (PST) Received: from ipmail06.adl6.internode.on.net (ipmail06.adl6.internode.on.net [150.101.137.145]) by cuda.sgi.com with ESMTP id yBBEbDK3FRh7vmDb for ; Tue, 18 Nov 2014 14:35:29 -0800 (PST) Date: Wed, 19 Nov 2014 09:35:18 +1100 From: Dave Chinner Subject: Re: How to determine the reserved blocks in xfs filesystem ? Message-ID: <20141118223518.GR23575@dastard> References: <20141118133206.GA5226@bfoster.bfoster> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20141118133206.GA5226@bfoster.bfoster> 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 Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Brian Foster Cc: Mukul Malhotra , xfs@oss.sgi.com T24gVHVlLCBOb3YgMTgsIDIwMTQgYXQgMDg6MzI6MDdBTSAtMDUwMCwgQnJpYW4gRm9zdGVyIHdy b3RlOgo+IE9uIFR1ZSwgTm92IDE4LCAyMDE0IGF0IDA2OjA1OjU4UE0gKzA1MzAsIE11a3VsIE1h bGhvdHJhIHdyb3RlOgo+ID4g4oCLSGVsbG8sCj4gPiAKPiA+IERvZXMgeGZzIGhhdmUgcmVzZXJ2 ZWQgYmxvY2tzIHRvbywgbGlrZSBleHQqID8gaWYgeWVzLCBob3cgY2FuIHRoZXkgYmUKPiA+IGRl dGVybWluZWQgP+KAiwo+ID4gCj4gCj4gWEZTIHJlc2VydmVzIGJsb2NrcyBpbnRlcm5hbGx5IHN1 Y2ggdGhhdCBpdCBjYW4gcGVyZm9ybSBvcGVyYXRpb25zIHdoZW4KPiBhbGwgZnJlZSBzcGFjZSBp cyBjb25zdW1lZCwgZXRjLiBJdCBsb29rcyBsaWtlIDUlIGlzIHRoZSBkZWZhdWx0LgoKTm90IHF1 aXRlLgoKICAgICAgICAvKgogICAgICAgICAqIFdlIGRlZmF1bHQgdG8gNSUgb3IgODE5MiBmc2Jz IG9mIHNwYWNlIHJlc2VydmVkLCB3aGljaGV2ZXIgaXMKICAgICAgICAgKiBzbWFsbGVyLiAgVGhp cyBpcyBpbnRlbmRlZCB0byBjb3ZlciBjb25jdXJyZW50IGFsbG9jYXRpb24KICAgICAgICAgKiB0 cmFuc2FjdGlvbnMgd2hlbiB3ZSBpbml0aWFsbHkgaGl0IGVub3NwYy4gVGhlc2UgZWFjaCByZXF1 aXJlIGEgNAogICAgICAgICAqIGJsb2NrIHJlc2VydmF0aW9uLiBIZW5jZSBieSBkZWZhdWx0IHdl IGNvdmVyIHJvdWdobHkgMjAwMCBjb25jdXJyZW50CiAgICAgICAgICogYWxsb2NhdGlvbiByZXNl cnZhdGlvbnMuCiAgICAgICAgICovCgpTbywgaW4gbW9zdCBjYXNlcywgdGhlcmUgYXJlIDMyTUIg b2YgcmVzZXJ2ZWQgYmxvY2tzIGF2YWlsYWJsZSBmb3IKaW50ZXJuYWwgZW1lcmdlbmN5IHVzZS4K Cj4gSSBkb24ndCB0aGluayBpdCdzICJsaWtlIGV4dDQsIiBob3dldmVyLCB3aGljaCByZXNlcnZl cyBibG9ja3MgZm9yIHRoZQo+IHJvb3QgdXNlci4gSSBkb24ndCBiZWxpZXZlIHRoZSByZXNlcnZl ZCBibG9ja3MgaW4gWEZTIGFyZSBhY2Nlc3NpYmxlIGZvcgo+IGZpbGUgYWxsb2NhdGlvbiBieSBh bnkgdXNlciB1bmxlc3MgdGhlIHJlc2VydmUgcG9vbCBpcyBtb2RpZmllZCBhcyBzdWNoLgoKTW9z dCBkZWZpbml0ZWx5IG5vdCAibGlrZSBleHQ0Ii4gVGhlIHJlc2VydmVkIGJsb2NrcyBhcmUgY29u c2lkZXJlZAoidXNlZCBzcGFjZSIgKGkuZS4gbm90IGF2YWlsYWJsZSB0byBhbnkgdXNlcikgYW5k IGFyZSByZXBvcnRlZCBhcwpzdWNoIGluIHN0YXRmcygpIG91dHB1dCAoZS5nLiB2aWEgZGYpLgoK Q2hlZXJzLAoKRGF2ZS4KLS0gCkRhdmUgQ2hpbm5lcgpkYXZpZEBmcm9tb3JiaXQuY29tCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwp4ZnMgbWFpbGluZyBs aXN0Cnhmc0Bvc3Muc2dpLmNvbQpodHRwOi8vb3NzLnNnaS5jb20vbWFpbG1hbi9saXN0aW5mby94 ZnMK